Abrégé

The present invention relates to a submodule for a semiconductor transformer in single packaging with reduced partial discharge quantity and excellent insulation performance that is capable of applying an equipotential structure for each stage of the submodule for the semiconductor transformer to further improve insulation performance by reducing partial discharge quantity in the semiconductor transformer while improving insulation performance by securing separation distance between a high voltage unit and a low voltage unit in the semiconductor transformer. The present invention relates to a submodule for a semiconductor transformer in single packaging with reduced partial discharge quantity and excellent insulation performance that is capable of applying an equipotential structure for each stage of the submodule for the semiconductor transformer to further improve insulation performance by reducing partial discharge quantity in the semiconductor transformer while improving insulation performance by securing separation distance between a high voltage unit and a low voltage unit in the semiconductor transformer. The submodule for semiconductor transformer in single packaging with reduced partial discharge quantity and excellent insulation performance in the present invention comprises: a high voltage unit for converting high-voltage low-frequency AC power into high-frequency AC power; a transforming unit for converting the high-voltage AC power into low-voltage AC power; and a low voltage unit for converting the low-voltage AC power into low-voltage DC power.

Classes IPC  ?

• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
• H02M 7/04 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques

Abrégé

The present invention is a power transmission system submodule bypass switch operation detection device. By using indicator lamps (18) to display operational states of bypass switches (28) on submodules (10, 10'), the operational states of the bypass switches (28) may be accurately displayed, and light emitted from the indicator lamps (18) or light radiators (30) may be displayed by being transferred to a specific location by using reflective plates (33). According to such configuration, a worker may more easily check the states of the submodules (10, 10').

Classes IPC  ?

• G01R 31/327 - Tests d'interrupteurs de circuit, d'interrupteurs ou de disjoncteurs
• G01R 13/02 - Dispositions pour la présentation de variables électriques ou de formes d'ondes pour la présentation sous forme numérique des variables électriques mesurées
• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu

Abrégé

The present invention relates to a DC capacitor fixing structure of a sub-module, in which a spring member is installed inside a bushing body of a spring bushing and fitted and coupled to the outer circumferential surface of a capacitor terminal, thus making it easy to detach and attach a busbar and the capacitor terminal, and therefore reducing assembly and disassembly times during inspection and repair work on the sub-module.

Classes IPC  ?

• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu

Abrégé

The present invention relates to a static active/reactive power compensator having an energy storage system to simultaneously supply active power and reactive power to a power system. The static active/reactive power compensator of the present invention comprises: a plurality of AC/DC converters which are connected to each other in series and convert an AC voltage supplied from a smart grid into a DC voltage; a plurality of DC/DC converters which are connected in series to the plurality of AC/DC converters and convert the DC voltage of a high voltage outputted from the AC/DC converters into a DC voltage of a relatively low voltage; and an energy storage system (ESS) for storing the DC voltage of the low voltage outputted from each of the plurality of insulated DC/DC converters, wherein the insulated DC/DC converters include a transformer to physically insulate a primary high-voltage side from a secondary low-voltage side.

Classes IPC  ?

• H02J 3/18 - Dispositions pour réglage, élimination ou compensation de puissance réactive dans les réseaux
• H02J 3/16 - Circuits pour réseaux principaux ou de distribution, à courant alternatif pour règler la tension dans des réseaux à courant alternatif par changement d'une caractéristique de la charge du réseau par réglage de puissance réactive
• H02M 1/00 - Détails d'appareils pour transformation
• H02M 3/28 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire

Abrégé

The present invention relates to an eco-friendly gas circuit breaker. The gas circuit breaker of the present invention comprises a blocking unit (10), a contact point driving unit (20), and a gas supply unit (30). The gas supply unit (30) has a first tank (32) and a second tank (34) that are filled with an insulating gas. A blocking unit outer box (11) of the blocking unit (10), the second tank (34) and the first tank (32) are connected in order such that the insulating gas is transferred therethrough, and a spray valve (320) is provided between the first tank (32) and the blocking unit outer box (11) so as to provide, to the blocking unit outer box (11), the insulating gas, which extinguishes an arc generated in the blocking unit (10). The gas supply unit (30) is outside the blocking unit (10). The contact point driving unit (20) and the gas supply unit (30) are positioned outside each of the two ends of the blocking unit (10) with respect to the blocking unit (10). In the present invention, the insulating gas in the first tank (32) has the highest pressure, and the pressure of the insulating gas in the second tank (34) is lower than the pressure of the insulating gas of the first tank (32).

Classes IPC  ?

• F17C 7/00 - Procédés ou appareils pour vider les gaz liquéfiés, solidifiés ou comprimés contenus dans des récipients sous pression, non couverts par une autre sous-classe
• F17C 13/02 - Adaptations spéciales des dispositifs indicateurs, de mesure ou de contrôle
• F17C 13/04 - Disposition ou montage des soupapes

Abrégé

The present invention relates to an eco-friendly gas circuit breaker. The gas circuit breaker of the present invention comprises a blocking unit (10), a contact point driving unit (20), and a gas supply unit (30). The gas supply unit (30) has a first tank (32) and a second tank (34) filled with insulating gas. A blocking unit enclosure (11) of the blocking unit (10), the second tank (34), and the first tank (32) are connected in that order so as to transmit the insulating gas, and a spray valve (320) is provided between the first tank (32) and the blocking unit enclosure (11) so as to provide the insulating gas extinguishing arcs generated in the blocking unit (10) to the blocking unit enclosure (11). The gas supply unit (30) is outside the blocking unit (10). The contact point driving unit (20) and the gas supply unit (30) are located outside respective ends of the blocking unit (10) with respect to the blocking unit (10). In the present invention, the pressure of the insulating gas of the second tank (34) is highest, and the pressure of the insulating gas of the first tank (32) is lower than the pressure of the insulating gas of the second tank (34).

Classes IPC  ?

• F17C 7/00 - Procédés ou appareils pour vider les gaz liquéfiés, solidifiés ou comprimés contenus dans des récipients sous pression, non couverts par une autre sous-classe
• F17C 13/02 - Adaptations spéciales des dispositifs indicateurs, de mesure ou de contrôle
• F17C 13/04 - Disposition ou montage des soupapes

Abrégé

The present invention relates to a battery lifespan prediction device and method, which can improve performance by deriving, on the basis of a battery degradation model equation, an optimal coefficient value for enhancing the accuracy of the corresponding battery degradation model equation. The battery lifespan prediction device of the present invention comprises: a coefficient derivation unit, which derives a plurality of coefficient values for the battery degradation model equation by using charging/discharging test data of a battery on the basis of the battery degradation model equation that predicts battery degradation; a range-specific classification and prediction unit which classifies a plurality of coefficient values derived from the coefficient derivation unit into a plurality of groups by dividing same into ranges, and which derives a long-term lifespan prediction value for each group; and an optimal coefficient determination and lifespan prediction unit which compare the long-term lifespan prediction value of each group with an actual measurement value so as to determine a coefficient value of a group within a predetermined prediction error target value as an optimal coefficient, and which perform lifespan prediction of the battery on the basis of the determined coefficient value.

Classes IPC  ?

• G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
• G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
• G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge
• G01R 31/382 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge

Abrégé

The present invention relates to an apparatus for predicting battery lifetime that may predict battery time more accurately by removing errors due to a characteristic of recovering temporary capacity happening intermittently from charge/discharge test data of a battery and a method thereof. The apparatus for predicting battery lifetime in accordance with the present invention comprises: a capacity recovery section-determining unit for determining a temporary capacity recovery section by analyzing charge/discharge test data of a battery; a trend analysis unit for creating alternative data based on test data before and after the temporary capacity recovery section determined by the capacity recovery section-determining unit, and analyzing trend of the test data by reflecting the alternative data; and a lifetime predicting unit for predicting lifetime of the battery based on data outputted from the trend analysis unit.

Classes IPC  ?

• G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
• G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance

Abrégé

The present invention relates to an apparatus and a method for predicting the life of a battery module and a battery rack by reflecting an electrical/environmental difference between a battery cell and a battery module/rack with respect to charging/discharging test data at a battery cell level.　The apparatus for predicting the life of a battery of the present invention comprises: a cell life prediction unit that analyzes charge/discharge test data of a battery cell to estimate the life of a battery cell; a module coefficient calculation unit that calculates a module coefficient for a battery module; a module-level life prediction unit that reflects the module coefficient of the module coefficient calculation unit in a cell life prediction value of the cell life prediction unit to estimate the life at the battery module level; a rack coefficient calculation unit that calculates a rack coefficient for a battery rack; and a rack-level life prediction unit that reflects the rack coefficient of the rack coefficient calculation unit in a module-level life prediction value of the module-level life prediction unit to estimate the life at the battery rack level.

Classes IPC  ?

• G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
• G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
• G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
• G01R 31/3842 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge combinant des mesures de tension et de courant
• G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
• G06N 20/00 - Apprentissage automatique

Abrégé

The present invention relates to an initial driving device and method of a solid-state transformer which reduces the overall number of solid-state transformer components and improves system reliability by charging an internal capacitor of the solid-state transformer using an existing battery instead of a separate external power source. The initial driving device of a solid-state transformer of the present invention is composed of an alternating current (AC)/direct current (DC) converter configured to convert system power to direct current, a high voltage converter configured to convert an output of the AC/DC converter to a high voltage, a medium frequency transformer (MFT) configured to convert an output of the high voltage converter to a low voltage, a low voltage converter configured to convert an output of the MFT to a charging voltage of an electric vehicle or battery, and a controller configured to control operations of the AC/DC converter, the high voltage converter, the MFT, and the low voltage converter.

Classes IPC  ?

• B60L 53/22 - Détails de structure ou aménagements des convertisseurs de charge spécialement adaptés pour recharger des véhicules électriques
• H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs

Abrégé

The present invention provides an HVDC system in which a DC terminal of a modular multilevel converter (MMC) is formed into a bipolar structure. The HVDC system of the present invention comprises: a first transformer having a primary side connected to an AC grid side; a power transmission line connected to a secondary side of the first transformer; an MMC connected to the secondary side of the first transformer through the power transmission line; a positive electrode terminal (P) and a negative electrode terminal (N) that are formed on a DC terminal of the MMC; a second transformer connected to the power transmission line; and a ground terminal (G) connected to the neutral point of the second transformer and a ground (GND), wherein the DC terminal of the MMC forms a bipolar structure by means of the positive electrode terminal, the negative electrode terminal and the ground terminal.

Classes IPC  ?

• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu
• H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
• H02M 1/12 - Dispositions de réduction des harmoniques d'une entrée ou d'une sortie en courant alternatif
• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension
• H02M 7/493 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande les convertisseurs statiques étant agencés pour le fonctionnement en parallèle
• H02M 7/757 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif avec possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type thyratron ou thyristor exigeant des moyens d'extinction utilisant uniquement des dispositifs à semi-conducteurs

Abrégé

The present invention relates to an apparatus and a method for controlling a phase of a measurement waveform of an MU, wherein an accurate value at a sampling command time point is obtained, a characteristic for a temperature change of an oscillation element is corrected, and at the same time, a delay characteristic of an analog sensing element with respect to the sampling command time point is corrected. The apparatus for controlling a phase of a measurement waveform of an MU of the present invention comprises: a temperature sensor for providing ambient temperature information; an oscillation element for providing an oscillation signal; an analog-to-digital converter (ADC) for sampling an analog current sensing signal or an analog voltage sensing signal into a digital signal; and a sampling clock providing unit for providing a sampling clock to the ADC on the basis of the ambient temperature information and the oscillation signal under the control of a sampling request unit.

Classes IPC  ?

• G01R 31/317 - Tests de circuits numériques
• G01R 23/12 - Dispositions pour procéder à la mesure de fréquences, p. ex. taux de répétition d'impulsionsDispositions pour procéder à la mesure de la période d'un courant ou d'une tension par conversion de la fréquence en déphasage
• G01R 19/25 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe utilisant une méthode de mesure numérique
• G01R 35/00 - Test ou étalonnage des appareils couverts par les autres groupes de la présente sous-classe
• G01R 31/3167 - Tests de circuits analogiques et numériques combinés

Abrégé

The present invention relates to a dashpot having an acceleration unit and a deceleration unit disposed in an inner space of a cylinder so as to control the buffering speed of a piston such that the speed at which a fixed contact point and a movable contact point are separated during a blocking operation of an operator can be varied.

Classes IPC  ?

• F16F 9/14 - Dispositifs à un ou plusieurs organes, p. ex. des pistons, des aubes, se déplaçant en va-et-vient dans des chambres et utilisant un effet d'étranglement
• F16F 9/346 - Passages d'étranglement en forme de fentes ménagées dans les parois des cylindres
• F16F 9/32 - Ressorts, amortisseurs de vibrations, amortisseurs de chocs ou amortisseurs de mouvement de structure similaire, utilisant un fluide ou moyen équivalent comme agent d'amortissement Parties constitutives
• H01H 71/44 - Mécanismes de déclenchement automatique avec ou sans déclenchement manuel comportant des moyens pour introduire un retard prédéterminé

Abrégé

The present disclosure is a housing stacking energy storage system. In the present disclosure, a first housing 10 and a second housing 20 having a predetermined size are stacked, and a rack 30 is installed in a first inner space 11 of the first housing 10 and a second inner space 21 of the second housing 20 to mount a plurality of battery packs 32. The first inner space 11 and the second inner space 21 communicate with each other to form one space, and a control unit 46, a fire extinguishing system 47 and a spray system 48 are installed therein. According to the present disclosure, it is possible to firmly install the energy storage system having a relatively large capacity in a specific installation area.

Classes IPC  ?

• H01M 50/262 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports avec des moyens de fixation, p. ex. des serrures
• H01M 10/46 - Accumulateurs combinés par structure avec un appareil de charge
• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/6567 - Liquides
• H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
• H01M 50/24 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries de leur environnement, p. ex. de la corrosion
• H01M 50/289 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs
• H01M 50/383 - Moyens pare-flammes ou moyens de prévention de l’allumage
• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries

Abrégé

The present invention relates to a housing stack-type energy storage apparatus. In the present invention, a first housing (10) and a second housing (20) having certain specifications are stacked, and racks (30) are installed in a first internal space (11) of the first housing (10) and a second internal space (21) of the second housing (20) so that a plurality of battery packs (32) can be mounted therein. The first internal space (11) and the second internal space (21) are in communication with each other and form one space, and a controller (46), a fire-fighting system (47), and a sprinkler system (48) are installed therein. According to the present invention, an energy storage apparatus having relatively larger capacity can be firmly installed in a certain installation area.

Classes IPC  ?

• H01M 50/20 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports
• H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
• H01M 50/24 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries de leur environnement, p. ex. de la corrosion
• H01M 10/44 - Méthodes pour charger ou décharger
• H01M 50/342 - Aménagements non refermables
• A62D 1/00 - Compositions pour éteindre les incendiesEmploi de produits chimiques pour éteindre les incendies
• A62C 3/16 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers dans les installations électriques, p. ex. chemins de câbles
• A62C 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• H01M 10/655 - Structures solides pour l'échange ou la conduction de la chaleur

Abrégé

A manipulator according to an embodiment may comprise: a housing; a rotary unit which is disposed in the housing and has a first rotating shaft; and a linear unit at least a part of which is disposed in the housing and which performs linear motion with respect to a breaker, wherein one side of the linear unit may be connected to the breaker and the other side of the linear unit may be connected to a part of the rotary unit.

Classes IPC  ?

• H01H 71/10 - Mécanismes d'actionnement ou de déclenchement
• H01H 33/30 - Dispositions à énergie incorporée dans l'interrupteur pour actionner le mécanisme moteur utilisant un mécanisme de commande à fluide
• H01H 33/42 - Mécanismes moteurs

Abrégé

The present disclosure is a high-speed molding device. According to the present invention, a product 14 may be manufactured by filling resin in a cavity 12 formed by a first mold 10 and a second mold. A gas generated during the filling of the cavity 12 with the resin may be discharged through a vent unit 20. The vent unit 20 has a first flow path 23 and a second flow path 33 to discharge the gas, while the resin is allowed to flow up to only the first flow path 23.

Classes IPC  ?

• B29C 45/34 - Moules comportant des évents
• B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir

Abrégé

The present invention relates to a submodule for a semiconductor transformer in single packaging with excellent performance of insulation and prevention against induction heating that is capable of preventing induction heating caused by a magnetic field generated from coils by being equipped with a shield with at least specified conductivity in the semiconductor transformer while improving insulation performance by securing separation distance between a high voltage unit and a low voltage unit in the semiconductor transformer. The submodule for the semiconductor transformer in single packaging with excellent performance of insulation and prevention against induction heating in accordance with the present invention comprises: a high voltage unit for converting high-voltage low-frequency AC power into high-voltage AC power; a transforming unit for converting the high-voltage AC power into low-voltage AC power; and a low voltage unit for converting the low-voltage AC power into low-voltage DC power.

Classes IPC  ?

• H01F 27/02 - Enveloppes
• H01F 27/08 - RefroidissementVentilation
• H01F 27/36 - Blindages ou écrans électriques ou magnétiques
• H01F 27/42 - Circuits spécialement adaptés à la modification ou la compensation des caractéristiques électriques des transformateurs, réactances ou bobines d'arrêt
• H02M 7/04 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques

Abrégé

The present disclosure relates to a submodule. An enclosure 20 may form the exterior of the submodule 10 of the present disclosure. A first opening 25 may be formed on one side surface 24 of the enclosure 20. A heat sink 30 may be installed in the first opening 25. The inner surface of the heat sink 30 faces the inside of the enclosure 20, and the outer surface of the heat sink 30 may form one outer surface of the enclosure 20. A heating element such as a power semiconductor 32 or a control board may be installed on the heat sink 30. An inlet 34 and an outlet 36 may be provided at one side edge of the heat sink 30 to communicate with a flow path formed therein and allow cooling fluid to flow in and out.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

The present invention relates to a vacuum interrupter, and specifically relates to a vacuum interrupter in which a sleeve-receiving part is installed at an end of a movable rod so that a portion of a sleeve, which prevents bellows from buckling, can be accommodated in a sleeve-receiving space inside a container when the movable rod is opened.

Classes IPC  ?

• H01H 33/662 - Enveloppes ou écrans de protection
• H01H 33/666 - Dispositions pour l'actionnement

Abrégé

The present invention relates to a submodule for a single packaging type semiconductor transformer with excellent insulation performance, which is capable of improving insulation performance by securing a separation distance between a high-voltage part and a low-voltage part in a semiconductor transformer, and which, in addition, secures insulation performance by separately providing cooling passages for the high-voltage part and the low-voltage part within the submodule for a semiconductor transformer, while reducing electrical radiation noise and suppressing inflow thereof while at the same time cooling heat generated from a semiconductor device and a switching module with a water-cooled heat sink. The submodule for a single packaging type semiconductor transformer with excellent insulation performance according to the present invention comprises: a high-voltage part that converts high-voltage, low-frequency AC power into high-voltage AC power; a transformer part that converts high-voltage AC power into low-voltage AC power; and a low-voltage part that converts low-voltage AC power to low-voltage DC power.

Classes IPC  ?

• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
• H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques
• H01F 27/08 - RefroidissementVentilation
• H01F 27/02 - Enveloppes

Abrégé

The present invention relates to a system for variably controlling a sampling frequency, which facilitates the setting of sampling frequencies according to the types of various voltage/current transformers and stably collects sampling outputs of different sampling frequencies of various voltage/current transformers without collisions. The system for variably controlling a sampling frequency according to the present invention includes: a secondary converter, which collects analog data from a first sensor and converts the analog data into digital data; and a merging unit which collects analog data from a second sensor and converts the analog data into digital data while collecting the output of the secondary converter.

Classes IPC  ?

• G01R 19/25 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe utilisant une méthode de mesure numérique
• G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs

Abrégé

A passive low-power current transformer for a circuit breaker, the current transformer having a wide current measurement range and system linearity, according to the present invention comprises: a Rogowski coil which is installed around a power line to measure a current of the power line; a signal amplification transformer which is made of a high permeability material and is connected to the Rogowski coil to amplify a low output signal output from the Rogowski coil; and a passive integrator which integrates a signal output from the signal amplification transformer in a time domain and outputs the integrated signal. According to the present invention, the signal amplification transformer having high magnetization inductance is used by using a material having high permeability, so that system linearity can be secured and a low output signal can be amplified to have a wide current measurement range. Further, the present invention can be sufficiently installed even in a site with space constraints, such as a gas insulated system (GIS).

Classes IPC  ?

• G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
• H01F 27/40 - Association structurelle de composants électriques incorporés, p. ex. fusibles
• H01F 1/34 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux substances non métalliques, p. ex. ferrites
• H01F 1/153 - Alliages métalliques amorphes, p. ex. métaux vitreux

Abrégé

The present invention relates to an earth switching device having an arc guide unit provided inside a fixed unit, so as to guide, towards the arc guide unit, an arc that is generated at a movable-side contact point when the movable-side contact point and a fixed-side contact point move towards or away from each other, and thereby prevent damage to the fixed-side contact point.

Classes IPC  ?

• H02B 13/075 - Dispositions pour la mise à la terre
• H01H 33/04 - Moyens pour éteindre ou empêcher des arcs entre organes traversés par le courant

Abrégé

The present invention is a vacuum circuit breaker (20). The vacuum circuit breaker (20) can be installed so as to pass through the inner space (12) of an enclosure (10) and the enclosure (10). The vacuum circuit breaker (20) includes a vacuum blocking part (210) and a linkage structure (230). The linkage structure (230) may be provided with a piston (246) providing a force capable of offsetting the magnetic force of the vacuum blocking part (210). The piston (246) has a larger diameter than a driving rod (254) passing through the enclosure (10) and can have a diameter equal to or similar to the effective size of a bellows (224) in the vacuum blocking part (210).

Classes IPC  ?

• H01H 33/662 - Enveloppes ou écrans de protection
• H01H 33/666 - Dispositions pour l'actionnement

Abrégé

The present invention relates to a low-power voltage transformer having temperature compensation applied thereto and to a temperature compensation method thereof, wherein the reliability of measured values can be increased for temperature changes in a low-power voltage transformer, and the temperature standard of IEC61869-6 is satisfied by attaching and calibrating temperature sensors around the low-power voltage transformer. The low-power voltage transformer having temperature compensation applied thereto of the present invention comprises: a voltage sensor to which a first temperature sensor is attached and which senses the voltage of a digital transformer; and a secondary converter to which a second temperature sensor is attached and which performs secondary conversion to transmit measured voltage information to a merging unit.

Classes IPC  ?

• G01R 19/32 - Compensation des variations de température
• G01R 19/00 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe
• G01R 15/04 - Diviseurs de tension
• G01R 17/20 - Dispositions pour procéder aux mesures potentiométriques en alternatif ou en continu
• G01K 1/02 - Moyens d’indication ou d’enregistrement spécialement adaptés aux thermomètres
• G01K 1/04 - Échelles
• H01F 27/00 - Détails de transformateurs ou d'inductances, en général
• H01F 27/42 - Circuits spécialement adaptés à la modification ou la compensation des caractéristiques électriques des transformateurs, réactances ou bobines d'arrêt
• H01F 38/26 - Construction

Abrégé

The present invention relates to a low-power current transformer and a temperature compensation method therefor, the transformer enabling the reliability of a measurement value to be increased with respect to changes in the temperature of the low-power current transformer, and having a temperature sensor attached at the perimeter of the low-power current transformer and performing correction so that temperature compensation satisfying the temperature standard of IEC61869-6 is applied thereto. The low-power current transformer to which temperature compensation is applied, according to the present invention, comprises: a current sensor to which a first temperature sensor is attached, and which senses the current of the low-power current transformer; and a secondary transformer to which a second temperature sensor is attached, and which performs secondary transformation in order to transmit measured current information to a merging unit.

Classes IPC  ?

• G01R 19/32 - Compensation des variations de température
• G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
• G01R 15/14 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort
• G01R 17/20 - Dispositions pour procéder aux mesures potentiométriques en alternatif ou en continu
• G01R 19/00 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe
• G01K 1/02 - Moyens d’indication ou d’enregistrement spécialement adaptés aux thermomètres
• G01K 1/14 - SupportsDispositifs de fixationDispositions pour le montage de thermomètres en des endroits particuliers
• H01F 27/42 - Circuits spécialement adaptés à la modification ou la compensation des caractéristiques électriques des transformateurs, réactances ou bobines d'arrêt
• H01F 27/00 - Détails de transformateurs ou d'inductances, en général
• H01F 38/30 - Construction

Abrégé

The present invention relates to a battery life prediction device and method capable of more accurately predicting battery life by removing an error due to a characteristic of temporary capacity recovery that occurs intermittently in battery charge/discharge test data. The battery life prediction device of the present invention comprises: a capacity recovery period determination unit for analyzing battery charge/discharge test data so as to determine a temporary capacity recovery period; a trend analysis unit for, with respect to a period determined as a temporary capacity recovery period by the capacity recovery period determination unit, generating alternative data on the basis of test data before and after the temporary capacity recovery period and analyzing a trend of the test data by reflection of the alternative data; and a life prediction unit for predicting the life of the battery on the basis of data output from the trend analysis unit.

Classes IPC  ?

• G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
• G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
• G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge
• G01R 31/374 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge avec des moyens pour corriger la mesure en fonction de la température ou du vieillissement
• G01R 31/382 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge

Abrégé

A startup method of a semiconductor transformer, according to the present invention, comprises: a link capacitor initiating step in which a control unit controls a link capacitor voltage of a link capacitor between an AC/DC converter and a DC/DC converter connected thereto in series to reach an initial reference value, and stores link power; an output capacitor initiating step in which the control unit controls an output capacitor voltage of an output capacitor configured in an output of the DC/DC converter to reach an initial reference value, and stores output power; a link capacitor stabilizing step in which the control unit controls the link capacitor such that the link capacitor voltage of the link capacitor reaches a stable reference value; and an output capacitor stabilizing step in which the control unit controls the output capacitor such that the output capacitor voltage of the output capacitor reaches a stable reference value.

Classes IPC  ?

• H02M 1/36 - Moyens pour mettre en marche ou arrêter les convertisseurs
• H02M 1/00 - Détails d'appareils pour transformation
• H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
• H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
• H02M 7/217 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
• H02M 7/04 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques

Abrégé

A heat sink according to an example embodiment comprises: an inlet part through which a refrigerant is introduced; an outlet part through which the refrigerant received from the inlet part is discharged; and a plurality of flow channels disposed between the inlet part and the outlet part, configured to allow the refrigerant to flow, wherein the plurality of flow channels is arranged to have a spirally bent shape, and parts of the plurality of flow channels communicate with each other to allow the refrigerant to circulate between the flow channels.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

The present invention relates to a circuit breaker operating current/fault current measuring device using a single Rogowski coil has an advantage of reducing an installation space and a manufacturing cost by simultaneously measuring an operating current and a fault current with the single Rogowski coil and has an advantage of improving reliability by simultaneously satisfying accuracy required for measurement of the operating current and the fault current. The circuit breaker operating current/fault current measuring device using a single Rogowski coil according to the present invention is configured with a Rogowski coil installed to wrap around a current-carrying conductor, a protection circuit outputting a fault voltage based on a voltage generated from a tap installed on a portion of the Rogowski coil, and a measurement circuit outputting an operating voltage based on a voltage generated in the entire coil of the Rogowski coil.

Classes IPC  ?

• G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
• G01R 31/327 - Tests d'interrupteurs de circuit, d'interrupteurs ou de disjoncteurs

Abrégé

A battery fire prevention and diagnosis system in accordance with the present invention comprises: a high frequency current transformer (HFCT) installed to at least one of a ground wire, a positive wire, or a negative wire of a battery system; a data acquiring unit for receiving high frequency current signals measured from the HFCT; noise/defect cause database including on-site noise data related to a site in operation, and data on causes of defects; and a diagnosis unit for determining abnormality of the battery system, and a cause of a defect based on high frequency signal data acquired from the data acquiring unit, and the on-site noise data and the data on causes of defects in the noise/defect cause database.

Classes IPC  ?

• G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
• H01M 50/383 - Moyens pare-flammes ou moyens de prévention de l’allumage
• H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte

Abrégé

A battery fire prevention and diagnosis system in accordance with the present invention comprises: an ultra-high frequency (UHF) sensor for measuring radiated electromagnetic wave installed inside or outside a battery system; a data acquiring unit for receiving the radiated electromagnetic wave signals measured from the UHF sensor; noise/defect cause database including on-site noise data related to a site in operation, and data on causes of defects; and a diagnosis unit for determining abnormality of the battery system, and a cause of a defect based on the radiated electromagnetic wave signal data acquired from the data acquiring unit, and the on-site noise data and the data on causes of defects in the noise/defect cause database.

Classes IPC  ?

• G01R 19/00 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe
• G01R 29/08 - Mesure des caractéristiques du champ électromagnétique
• G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
• G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé

Abrégé

The present invention relates to a sub-module for a single packaging type semiconductor transformer with excellent insulation and induction heating prevention performance, which can increase insulation performance by securing a separation distance between a high voltage unit and a low voltage unit in a semiconductor transformer, and can prevent induction heating by a magnetic field generated in a coil by including a shielding film with a predetermined conductivity or higher in the semiconductor transformer. The sub-module for a single packaging type semiconductor transformer with excellent insulation and induction heating prevention performance of the present invention comprises: a high voltage unit which converts high voltage low frequency alternating-current power into high voltage alternating-current power; a transformation unit which converts high voltage alternating-current power into low voltage alternating-current power; and a low voltage unit which converts low voltage alternating-current power into low voltage direct-current power.

Classes IPC  ?

• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
• H02M 3/00 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu
• H02M 5/40 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant alternatif, p. ex. pour changement de la tension, pour changement de la fréquence, pour changement du nombre de phases avec transformation intermédiaire en courant continu
• H01F 27/02 - Enveloppes
• H01F 27/08 - RefroidissementVentilation
• H01F 30/06 - Transformateurs fixes non couverts par le groupe caractérisés par la structure
• H01F 38/04 - Adaptations de transformateurs ou d'inductances à des applications ou des fonctions spécifiques pour fonctionnement non linéaire pour modifier la fréquence

Abrégé

The present invention relates to a submodule for a single packaging type semiconductor transformer with reduced partial discharge and excellent insulation performance, wherein the submodule may secure a separation distance between a high-voltage unit and a low-voltage unit in the semiconductor transformer to increase insulation performance, and may further improve the insulation performance by reducing the amount of partial discharge in the semiconductor transformer by having an equipotential structure applied to each stage of the semiconductor transformer submodule. The submodule for a single packaging type semiconductor transformer with reduced partial discharge and excellent insulation performance of the present invention comprises: a high-voltage unit that converts high-voltage, low-frequency AC power into high-frequency AC power; a transformation unit that converts high-voltage AC power into low-voltage AC power; and a low-voltage unit that converts low-voltage AC power into low-voltage DC power.

Classes IPC  ?

• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
• H02M 3/00 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu
• H02M 5/40 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant alternatif, p. ex. pour changement de la tension, pour changement de la fréquence, pour changement du nombre de phases avec transformation intermédiaire en courant continu
• H01F 27/02 - Enveloppes
• H01F 27/08 - RefroidissementVentilation
• H01F 30/06 - Transformateurs fixes non couverts par le groupe caractérisés par la structure
• H01F 38/04 - Adaptations de transformateurs ou d'inductances à des applications ou des fonctions spécifiques pour fonctionnement non linéaire pour modifier la fréquence

Abrégé

A component grounding system according to one embodiment includes a case for accommodating a plurality of components, a direct current (DC) capacitor disposed on one side of the case and electrically connected to the case, and a bus bar, disposed between the case and the DC capacitor, for connecting the case and the DC capacitor, the bus bar representing an electrode, wherein each of the plurality of components may be connected to the bus bar.

Classes IPC  ?

• H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

The present invention relates to a system for variably controlling sampling frequency, the system facilitating setting of sampling frequency according to the shape of various voltage/current transformers, and stably collecting sampling outputs of different sampling frequencies of various voltage/current transformers without collision. The system for variably controlling sampling frequency, according to the present invention, comprises: a secondary converter, which collects analog data from a first sensor and converts same into digital data; and a merging unit which collects analog data from a second sensor so as to convert same into digital data, and which collects output of the secondary converter.

Classes IPC  ?

• G01R 19/252 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe utilisant une méthode de mesure numérique utilisant des convertisseurs analogiques/numériques du type à conversion de la tension ou du courant en fréquence et mesure de cette fréquence
• G01R 23/15 - Indication de ce qu'une fréquence d'impulsions est, soit supérieure ou inférieure à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée, en utilisant des éléments non linéaires ou numériques
• G01R 23/16 - Analyse de spectreAnalyse de Fourier
• G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs

Abrégé

The present invention relates to a first-cycle charging device and method of a modular multi-level converter, in which, in order to prevent the overcharging of a capacitor in a submodule in a HVDC system, charging and discharging of the capacitor in the submodule are independently carried out, and charging of the submodule in the HVDC system is enabled to be gradually carried out so as to prevent sudden flow of an instantaneous current. The first-cycle charging device of the modular multi-level converter of the present invention comprises: a submodule provided with a capacitor so as to carry out alternating current power charging and discharging; and a submodule control unit for controlling the charging, discharging, and bypassing of the submodule.

Classes IPC  ?

• H02M 3/158 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p. ex. régulateurs à commutation comprenant plusieurs dispositifs à semi-conducteurs comme dispositifs de commande finale pour une charge unique
• H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries

Abrégé

The present invention is a high-speed molding device. According to the present invention, an article (14) may be manufactured by filling resin in a cavity (12) formed by a first mold (10) and a second mold. Gas generated during the filling of the cavity (12) with the resin may be exhausted through a vent unit (20). The vent unit (20) has a first flow path (23) and a second flow path (33) to exhaust the gas, while the resin is allowed to flow up to only the first flow path (23).

Classes IPC  ?

• B29C 45/34 - Moules comportant des évents
• B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
• B29C 45/17 - Éléments constitutifs, détails ou accessoiresOpérations auxiliaires

Abrégé

Provided are a device and method for SoC balance control for a delta structure semiconductor transformer-based energy storage device, for operating a charging and discharging time of a system by controlling balance of battery SoC of a PCS connected by a delta connection so as to prevent overdischarging and overcharging of a specific battery, controlling a zero-phase-sequence component of the delta connection to balance the battery SoC for each phase, and controlling balance of an individual battery SoC. The device for SoC balance control for a delta structure semiconductor transformer-based energy storage device of the present invention is composed of an SoC balance control device that controls charging and discharging of a battery such that, in a PCS that performs charging and discharging from three-phase AC power, an A-phase, a B-phase, and a C-phase PCS connected by a delta connection, and the battery SoC of the PCS, are balanced.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries

Abrégé

A manipulator according to an embodiment may comprise: a housing; a rotary unit which is disposed in the housing and has a first rotating shaft; and a linear unit at least a part of which is disposed in the housing and which performs linear motion with respect to a breaker, wherein one side of the linear unit may be connected to the breaker and the other side of the linear unit may be connected to a part of the rotary unit.

Classes IPC  ?

• H01H 33/42 - Mécanismes moteurs
• H02B 13/035 - Appareillages de commutation à isolation gazeuse

Abrégé

An actuator in one embodiment may comprise: a driving source; a first rotating element, which rotates around a first rotary shaft by means of the driving source; a second rotating element, which receives driving force from the first rotating element so as to rotate around a second rotary shaft; and a transmission element having one end connected to the first rotating element and the other end connected to the second rotating element, wherein the second rotary shaft can be associated with an object to be actuated forming at least a part of a gas-insulated switchgear, and the rotation of the second rotating element can be synchronized with the rotation of the first rotating element by means of the transmission element.

Classes IPC  ?

• H01H 33/42 - Mécanismes moteurs
• F16H 1/16 - Transmissions à engrenages pour transmettre un mouvement rotatif sans engrenages à mouvement orbital comportant uniquement deux organes engrenés dont les axes ne sont pas parallèles comportant une vis sans fin et une roue à vis sans fin
• H01H 3/32 - Mécanismes-moteurs, c.-à-d. pour transmettre la force motrice aux contacts

Abrégé

The present disclosure provides a noise/vibration reduction device for transformers. An inner space 12 may be formed inside a tank 10 constituting the exterior of a transformer. The noise/vibration reduction device 20 may be installed on inner surfaces of tank side walls 14 constituting the outer surfaces of the tank 10. The reduction device 20 may include a plurality of support members 26, 28, 30 installed between a plurality of through hole plates 32, 34, 36, whereby a first space 38, a second space 40, and a third space 42 may be formed between the through hole plates 32, 34, 36 and the tank side walls 14. A first through hole 32′, a second through hole 34′, and a third through hole 36′ may be formed in the through hole plates 32, 34, 36, respectively. By varying a diameter (D) and a length (T) of the through holes 32′, 34′, 36′ and a distance (L) between the through holes 32′, 34′, 36′, noise having different frequencies may be removed from each of the through hole plates 32, 34, 36.

Classes IPC  ?

• H01F 27/33 - Dispositions pour amortissement du bruit
• H01F 27/02 - Enveloppes

Abrégé

The present invention relates to a submodule. An enclosure (20) may form the external appearance of a submodule (10) of the present invention. A first opening (25) may be formed at one side surface (24) of the enclosure (20). A heat sink (30) may be provided in the first opening (25). The inner surface of the heat sink (30) may face the inside of the enclosure (20), and the outer surface of the heat sink (30) may form one outer surface of the enclosure (20). A heating element such as a power semiconductor (32) or a control board may be provided at the heat sink (30). The heat sink (30) may have, at one side edge thereof, an inlet (34) and an outlet (36) which communicate with a flow channel formed inside the heat sink (30) to introduce and discharge cooling fluid therethrough.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif

Abrégé

The present invention relates to a measurement device for measuring an operation current and a fault current of a circuit breaker by using a single Rogowski coil, capable of simultaneously measuring the operation current and the fault current with the single Rogowski coil, to thereby reduce an installation space and manufacturing costs, and improve reliability by satisfying the accuracy required for measurements of the operation current and the fault current at the same time. The measurement device for measuring an operation current and a fault current of a circuit breaker by using a single Rogowski coil, comprises: a Rogowski coil installed to surround a conductor in which a current flows; a protection circuit outputting a fault voltage on the basis of a voltage generated from a tap installed in part of the Rogowski coil; and a measurement circuit outputting an operation voltage on the basis of a voltage generated in the entire coil of the Rogowski coil.

Classes IPC  ?

• G01R 31/327 - Tests d'interrupteurs de circuit, d'interrupteurs ou de disjoncteurs
• G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
• H01F 27/30 - Fixation ou serrage de bobines, d'enroulements ou de parties de ceux-ci entre euxFixation ou montage des bobines ou enroulements sur le noyau, dans l'enveloppe ou sur un autre support

Abrégé

The present invention relates to a stabilization device for a linear motion device. In the present invention, a frame (10) may form a skeleton, and a driving source (20) and a power shaft (22) rotated by the driving source (20) may be installed to a base (12) of the frame (10). A plurality of driving assemblies (28) may be installed to the power shaft (22), and following assemblies (38) interlocked with the driving assemblies (28) may be installed to the base (12), respectively. An interlocking part (46) having an interlocking roll (50) coming into contact with the following assemblies (38) to be guided thereby may be connected to a linear motion device to drive the linear motion device.

Classes IPC  ?

• H01H 33/666 - Dispositions pour l'actionnement
• H02J 3/18 - Dispositions pour réglage, élimination ou compensation de puissance réactive dans les réseaux
• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu

Abrégé

The present disclosure is an evaporation device for cooling. In an evaporation space 12 formed inside a housing 10, a wick 16 allows a working fluid to move by capillary force. As the working fluid moves from a lower portion of the evaporation space 12 to an upper portion thereof, that is, from the working fluid inlet pipe 26 to the vapor outlet pipe 28 by the wick 16, the working fluid is evaporated by heat generated from the heat source to become vapor. A partition wall 20 is provided in the evaporation space 12 to control the flow of vapor. The working fluid transferred into the evaporation space 12 is uniformly mixed with the existing working fluid in the lower portion of the evaporation space 12 by a distributor 30.

Classes IPC  ?

• F28D 15/00 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations
• F28D 15/04 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs avec des tubes ayant une structure capillaire
• F28D 15/02 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs

Abrégé

An asset management method for a substation in accordance with an example embodiment of the present invention comprises steps of: generating integrity of each element of the substation based on state data and real-time monitoring data of the each element of the substation; classifying grade of the each element of the substation depending on the generated integrity thereof, and matching the each element of the substation with one of life models for each classified grade; specifying a candidate element subject to maintenance in a certain order of priority, assessing system reliability index and economic feasibility, and selecting a maintenance scenario for the each candidate element subject to maintenance; and executing maintenance by using the selected maintenance scenario, and updating assessment of the integrity of the each element of the substation as a result of the maintenance executed.

Classes IPC  ?

• G06Q 10/00 - AdministrationGestion
• G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation

Abrégé

A battery fire prevention and diagnosis system according to the present invention comprises: a high frequency current transformer (HFCT) sensor provided at at least one from among a ground line, a positive (+) pole line, and a negative (-) pole line of a battery; a data acquisition unit for receiving a high frequency signal of a current measured by means of the HFCT sensor; a noise/defect cause database (DB) including site noise data for sites, which are being operated, and defect cause data for defect causes; and a diagnosis unit for determining a defect cause and whether the battery is abnormal on the basis of data of the high frequency signal acquired by the data acquisition unit and the site noise data and the defect cause data in the noise/defect cause DB.

Classes IPC  ?

• H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
• G08B 17/00 - Alarmes d'incendieAlarmes réagissant à une explosion
• G08B 21/18 - Alarmes de situation
• A62C 3/16 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers dans les installations électriques, p. ex. chemins de câbles
• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires

Abrégé

The present invention relates to a battery fire prevention and diagnosis system comprising: an ultra high frequency (UHF) sensor provided inside or outside a battery so as to measure radiated electromagnetic waves; a data acquisition unit for receiving a radiated electromagnetic wave signal measured by means of the UHF sensor; a noise/defect cause database (DB) containing site noise data for sites, which are being operated, and defect cause data for defect causes; and a diagnosis unit for determining a defect cause and whether the battery is abnormal on the basis of radiated electromagnetic wave data acquired by the data acquisition unit and the site noise data and the defect cause data in the noise/defect cause DB.

Classes IPC  ?

• G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
• G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
• G01R 29/08 - Mesure des caractéristiques du champ électromagnétique
• G01R 29/26 - Mesure du coefficient de bruitMesure de rapport signal-bruit
• G01R 19/00 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe
• G01R 23/16 - Analyse de spectreAnalyse de Fourier
• G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie

Abrégé

The present invention is a rotating device for a bushing. The present invention may rotate a bushing (20) installed in an enclosure (12) of a power device (10) by a predetermined angle. The enclosure (12) may be composed of a fixed portion (12'), and a rotating portion (12") in which the bushing (20) is installed and rotated. A main bracket (30) may be installed in the fixed portion (12'). A reduction gear (36) and a drive source (40) may be installed in the main bracket (30). A drive sprocket (50) may be installed on the main bracket (30), and a driven sprocket (54) may be installed on the rotating portion (12"). A chain (52) may be installed by being wound around the drive sprocket (50) and the driven sprocket (54) so as to rotate the bushing (20).

Classes IPC  ?

• H02B 13/035 - Appareillages de commutation à isolation gazeuse
• H02B 3/00 - Appareillage spécialement adapté pour la fabrication, l'assemblage ou l'entretien de tableaux ou d'appareillage de commutation
• F16H 55/30 - Roues à chaînes

Abrégé

Proposed is a sub-module of a power converter, the sub-module capable of allowing failure-causing electric current to quickly bypass the sub-module when a failure occurs in the sub-module. A sub-module of a power converter according to an embodiment of the present disclosure, the sub-module including an energy storage unit, at least one power semiconductor circuit connected, in parallel, to the energy storage unit and configured with a plurality of power semiconductor switches and a plurality of freewheeling diodes, and a switching element arranged between two output terminals connected to one of one or more of the power semiconductor circuits, forced to undergo an induced failure when an induced-failure signal is input into a gate terminal thereof, and internally short-circuited, thereby connecting the output terminals to each other.

Classes IPC  ?

• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension
• H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique

Abrégé

The present disclosure relates to a sub-module of a power converter, the sub-module capable of allowing failure-causing electric current to bypass the sub-module when a failure occurs in the sub-module. According to an embodiment of the present disclosure, there is proposed a sub-module of a power converter, the sub-module including an energy storage unit, at least one power semiconductor circuit connected, in parallel, to the energy storage unit and configured with a plurality of power semiconductor switches and a plurality of freewheeling diodes, an auxiliary switching element connected to the energy storage unit, turned on when a failure occurs, and thus allowing electric current from the energy storage unit to pass through, and a main switching element connected in series to an output terminal of the auxiliary switching element, arranged between two output terminals connected to one of one or more of the power semiconductor circuits, forced to undergo an induced failure due to application of a voltage stored in the energy storage unit through the auxiliary switching element, internally short-circuited, and thus connecting the output terminals to each other.

Classes IPC  ?

• H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension

Abrégé

The present invention relates to an apparatus and a method for synchronizing a clock of VBE in a HVDC system capable of increasing reliability by synchronizing the clock of the VBE in the HVDC system to suppress harmonic generation and generate duplicate clock to supply stable clock to submodules. The apparatus for synchronizing the clock of the VBE in the HVDC system comprises an operation board for creating a reference clock and an interface board for controlling submodules on or off being synchronized to a reference clock.

Classes IPC  ?

• G06F 1/12 - Synchronisation des différents signaux d'horloge
• G06F 1/08 - Générateurs d'horloge ayant une fréquence de base modifiable ou programmable
• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu

Abrégé

Proposed is an air gap adjustment apparatus. The apparatus is for enabling an air gap between the inner surface of a stator and the outer surface of a rotor, which are installed in an inner space of a housing, to be uniform overall. A plurality of fastening holes are formed so as to surround a shaft through hole of an end plate constituting the housing. A fastener, which has passed through a bearing housing of a bearing, is fastened to each fastening hole so as to mount the bearing to the end plate. An adjusting member body of an adjusting member, which has passed through the bearing housing, is positioned in an adjusting member seating part which is formed at the entrance of each fastening hole. The adjusting member rotates about the adjusting member body so that a head part may adjust the position of the bearing.

Classes IPC  ?

• H02K 5/16 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques
• H02K 7/08 - Association structurelle avec des paliers
• H02K 15/00 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques
• H02K 15/16 - Centrage des rotors dans les stators

Abrégé

A control device for an MMC is disclosed. The control device for an MMC including a plurality of converter arms that include a plurality of sub-modules connected in series and that are connected to a DC link includes: an arm controller, which detects the arm current of a converter arm so as to determine whether a DC failure has occurred, and, if it is determined that the DC failure has occurred, transmits a bypass control signal for protecting a sub-module and notifies of the DC failure; a sub-module controller for controlling the sub-module so as to bypass a DC failure current according to the bypass control signal received from the arm controller; and a main controller, which detects, in real-time, the arm current of the converter arm and a voltage (DC link voltage) of the DC link, determines whether the DC failure is a temporary DC failure or a permanent DC failure on the basis of the detected arm current and DC link voltage if the occurrence of the DC failure is notified by the arm controller, and transmits, to the arm controller, a normal operation control signal for normal operation of the sub-module or a bypass control signal for bypassing of the DC failure current.

Classes IPC  ?

• H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
• H02H 7/125 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour convertisseursCircuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour redresseurs pour convertisseurs ou redresseurs statiques pour redresseurs
• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension
• H02H 7/12 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour convertisseursCircuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour redresseurs pour convertisseurs ou redresseurs statiques
• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu
• H02M 1/00 - Détails d'appareils pour transformation

Abrégé

Proposed is a heat dissipating device using turbulent flow. In the heat dissipating device, a plurality of block flow paths are formed in parallel inside a block body, a first cap and a second cap are mounted on side surfaces of the respective ends of the block body so as to connect the block flow paths, a working fluid flows into the block flow paths, and the working fluid which has passed through the block flow paths is transferred to the outside. Turbulence generators are mounted inside the block flow paths, and finishing end portions on the respective ends of the turbulence generators are supported by the first cap and the second cap and are positioned inside the block flow paths.

Classes IPC  ?

• F28F 13/12 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en créant une turbulence, p. ex. par brassage, par augmentation de la force de circulation
• F28F 9/02 - Boîtes de distributionPlaques d'extrémité
• F28F 9/24 - Dispositions pour favoriser un écoulement turbulent des sources de potentiel calorifique, p. ex. par des plaques

Abrégé

The present invention provides a noise/vibration reduction device for transformers. An inner space (12) may be formed inside a tank (10) constituting the exterior of a transformer. A noise/vibration reduction device (20) may be installed on inner surfaces of tank side walls (14) constituting the outer surfaces of the tank (10). The reduction device (20) may include a plurality of support members (26, 28, 30) installed between a plurality of through-hole plates (32, 34, 36), whereby a first space (38), a second space (40), and a third space (42) may be formed between the through-hole plates (32, 34, 36) and the tank side walls (14). A first through-hole (32'), a second through-hole (34'), and a third through-hole (36') may be formed in the through-hole plates (32), (34), and (36), respectively. By varying a diameter (D) and a length (T) of the through holes (32', 34', 36') and a distance (L) between the respective through holes (32', 34', 36'), noise having different frequencies may be removed from each of the through-hole plates (32, 34, 36).

Classes IPC  ?

• H01F 27/33 - Dispositions pour amortissement du bruit
• H01F 27/02 - Enveloppes
• H05K 5/00 - Enveloppes, coffrets ou tiroirs pour appareils électriques

Abrégé

A method for securing the program safety of an HVDC system according to the present invention comprises the steps of: calculating, by a controller of the HVDC system, a BIOS program eigenvalue after loading a BIOS when power is applied; receiving, by the controller, a BIOS program eigenvalue of the controller prestored in a higher system of the controller; and comparing the BIOS program eigenvalue calculated in the controller and the BIOS program eigenvalue prestored in the higher system so as to identify whether or not the eigenvalues are identical and, if the eigenvalues are not identical, stopping execution of a program and notifying the higher system that the eigenvalues are not identical.

Classes IPC  ?

• G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques

Abrégé

Techniques are described for a bypass switch that includes: a switch body having a column; a switch head which is coupled to the column and in which a sliding part is provided; a sliding part which is inserted into the switch head; a driven latch which is inserted into the sliding part and fixed to a driving shaft penetrating therethrough; a driving latch which is coupled to an end of the driving shaft exposed to an outside of the switch head, and which is provided to be driven by a solenoid; a stop coupled to the front of the switch head; a pressure bearing which is inserted into a lower portion of the sliding part and coupled thereto by a bearing pin; an elastic body provided between the sliding part and the switch body; and a rod coupled to an upper portion of the sliding part.

Classes IPC  ?

• H01H 3/32 - Mécanismes-moteurs, c.-à-d. pour transmettre la force motrice aux contacts
• H01H 1/36 - Contacts caractérisés par la manière dont les contacts coopérants s'engagent par glissement

Abrégé

An output distribution method of a power supply system includes: if a required output power of a power supply system exceeds a reference value, assigning the required output power equally to all PCSs; if the required output power does not exceed the reference value, assigning at least one maximum power driving PCS to be operated with a maximum driving ratio power, on the basis of a maximum driving ratio and a lowest driving ratio; if a remaining power unassigned during power assignment of the maximum power driving PCS exceeds a lowest driving ratio power, assigning a remaining power driving PCS for operation of the remaining power; and if the remaining power unassigned during the power assignment of the maximum power driving PCS does not exceed the lowest driving ratio power, equally dividing and reassigning the required output power to the maximum power driving PCS.

Classes IPC  ?

• H02J 3/14 - Circuits pour réseaux principaux ou de distribution, à courant alternatif pour règler la tension dans des réseaux à courant alternatif par changement d'une caractéristique de la charge du réseau par interruption, ou mise en circuit, des charges du réseau, p. ex. charge équilibrée progressivement
• H02J 3/46 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs contrôlant la répartition de puissance entre les générateurs, convertisseurs ou transformateurs

Abrégé

A bypass device of an HVDC sub module according to the present invention comprises: a sub module for generating a voltage in an HVDC system; a bypass switch driving unit for driving a bypass switch located at an input terminal of the sub module; a sub module controller for monitoring a state of the sub module to transmit the monitored state to a system controller, and controlling the sub module and the bypass switch driving unit according to a command of the system controller; and a voltage monitoring unit for controlling the bypass switch driving unit by monitoring a voltage of a capacitor located in the sub module.

Classes IPC  ?

• H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
• H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques

Abrégé

The present invention relates to an apparatus and a method for setting up a board ID of a board used for a controller in a HVDC system that is capable of shortening inspection time of a board by easily identifying a location and a type of the board for inspection mounted. The apparatus for setting up a board ID of a board used for a controller in a HVDC system in the present invention comprises: IO boards for controlling submodules; a main board for managing the at least one IO board, and a backplane for connecting the main board with the at least one IO board.

Classes IPC  ?

• G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques

Abrégé

A grid voltage phase detector includes: a d-q transformation unit for receiving a three-phase signal and producing a signal on d axis and a signal on q axis; a phase signal producing unit for producing a signal for phase synchronization of grid voltage from the signal on d axis and the signal on q axis; and a PR filtering unit, with a first filter having no change in magnitude and phase at a rated frequency, a second filter introducing 90° phase lead at a rated frequency, a third filter introducing 90° phase lag, and a fourth filter having no change in magnitude and phase at a rated frequency, for removing unbalanced components and harmonic components from the signal on d axis and the signal on q axis produced by the d-q transformation unit and providing the signals to the phase signal producing unit.

Classes IPC  ?

• G01R 25/00 - Dispositions pour procéder aux mesures de l'angle de phase entre une tension et un courant ou entre des tensions ou des courants
• H02J 3/40 - Synchronisation d'un générateur pour sa connexion à un réseau ou à un autre générateur
• H03L 7/085 - Détails de la boucle verrouillée en phase concernant principalement l'agencement de détection de phase ou de fréquence, y compris le filtrage ou l'amplification de son signal de sortie

Abrégé

Proposed is a multi-sensor assembly, and the assembly of the present disclosure includes: a first sensor provided in a sensor coupling unit positioned at a front end of a housing; a second sensor provided in a mounting groove that is open toward a front surface of the first sensor; a first connector member configured to transmit a signal measured by the first sensor and, simultaneously, to firmly fix the first sensor to the sensor coupling unit; and a second connector member screw portion formed on an outer surface of a rear end of the first connector member so as to be coupled to a fixture screw portion of an adjustable fixture provided at a rear end of the housing, thereby moving relatively thereto.

Classes IPC  ?

• G01D 21/02 - Mesure de plusieurs variables par des moyens non couverts par une seule autre sous-classe
• G01D 11/24 - Boîtiers
• G01D 11/16 - Éléments pour réduire ou empêcher le mouvement des pièces, p. ex. pour la remise à zéro

Abrégé

The present invention is advantageous in that: at least one vibration sensor is installed in a rotating machine and whether the rotating machine malfunctions can be determined by analyzing an output signal from the vibration sensor; and an image conversion is performed for a signal from the vibration sensor, and whether the rotating machine malfunctions can be determined through an unsupervised learning and statistical processing of the image conversion. A rotating machine malfunction diagnosis method of the present invention comprises: a vibration signal measurement step for measuring a vibration signal through at least one vibration sensor attached to a rotating machine; a two-dimensional image conversion step for converting the vibration signal into a two-dimensional image; a characteristic factor extraction step for extracting a characteristic factor value from the two-dimensional image; a defect indicator calculation step for calculating a defect indicator on the basis of the extracted characteristic factor value; and a malfunction presence/absence determination step for determining whether the rotating machine malfunctions, through statistical testing of the defect indicator.

Classes IPC  ?

• G01M 13/025 - Bancs d’essai avec moyens d’entraînement en rotation et de chargeSimulations de charge ou d’entraînement
• G01M 15/12 - Test des moteurs à combustion interne par contrôle des vibrations
• G01H 15/00 - Mesure de l'impédance mécanique ou acoustique

Abrégé

The present invention relates to a first-cycle charging device and method of a modular multi-level converter, in which, in order to prevent the overcharging of a capacitor in a submodule in a HVDC system, charging and discharging of the capacitor in the submodule are independently carried out, and charging of the submodule in the HVDC system is enabled to be gradually carried out so as to prevent a sudden flow of an instantaneous current. The first-cycle charging device of the modular multi-level converter of the present invention comprises: a submodule provided with a capacitor so as to carry out alternating current power charging and discharging; and a submodule control unit for controlling the charging, discharging and bypassing of the submodule.

Classes IPC  ?

• H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension

Abrégé

The present invention is a rotor support device for a shaft generator. A support block (20) is included in a housing (10) of the shaft generator to support a rotor shaft (13) in the direction of gravity. The dimensions of a support surface (24) of the support block (20) can be managed through machining. The rotor shaft (13) supported on the support surface (24) is encompassed with a binder (30) to prevent movement in other directions that excludes the direction of gravity. A flange (13') of the rotor shaft (13) and the housing (10) can be coupled using a longitudinal support bar (40). The longitudinal support bar (40) can prevent the rotor shaft (13) from moving in the longitudinal direction.

Classes IPC  ?

• H02K 5/00 - EnveloppesEnceintesSupports
• H02K 15/14 - EnveloppesEnceintesSupports
• H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
• H02K 7/18 - Association structurelle de génératrices électriques à des moteurs mécaniques d'entraînement, p. ex. à des turbines
• F16B 2/06 - Brides ou colliers, c.-à-d. dispositifs de fixation dont le serrage est effectué par des forces effectives autres que la résistance à la déformation inhérente au matériau dont est fait le dispositif externes c.-à-d. agissant par contraction

Abrégé

The present invention relates to a device and method for SoC balance control for a delta structure semiconductor transformer-based energy storage device, for effectively operating a charging and discharging time of a system by controlling balance of battery SoC of a PCS connected by a delta connection so as to prevent overdischarging and overcharging of a specific battery, controlling a zero-phase-sequence component of the delta connection so as to balance the battery SoC for each phase, and controlling balance of an individual battery SoC. The device for SoC balance control for a delta structure semiconductor transformer-based energy storage device of the present invention is composed of an SoC balance control device that controls charging and discharging of a battery such that, in a PCS that performs charging and discharging from three-phase AC power, an A-phase PCS, a B-phase PCS, and a C-phase PCS connected by a delta connection, and the battery SoC of the PCS, are balanced.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H02M 7/04 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques
• H02M 3/00 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu

Abrégé

The present invention relates to a vibration reduction device for a gas-insulated switching device. The present invention can comprise: a first frame (30) supported on the ground; a pad (50) mounted on the first frame (30); a second frame (40) which is mounted on the pad (50) and on which a gas-insulated switching device is provided; and a bolt (60) coupled to the second frame (40) to be able to move relative to same, and passing through the pad (50) and the first frame (30) and coupled to nuts (67, 68) together with an insulating washer (66) coming into close contact with the first frame (30). A collar (70) formed from a shock-absorbing material can be provided on a part, positioned in the pad (50), of a bolt body (64) of the bolt (60). The height of the first frame (30) can be increased by removing the washer (66) and nuts (67, 68) and coupling a jack-up block (80) to the end of the bolt body (64).

Classes IPC  ?

• H02B 1/54 - Dispositifs ou installations antisismiques
• H02B 13/065 - Moyens pour détecter ou réagir à un défaut mécanique ou électrique
• F16F 15/02 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif
• F16B 5/02 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par organes de fixation utilisant un filetage

Abrégé

A startup method of a semiconductor transformer, according to the present invention, comprises: a link capacitor initiating step in which a control unit controls a link capacitor voltage of a link capacitor between an AC/DC converter and a DC/DC converter connected thereto in series to reach an initial reference value, and stores link power; an output capacitor initiating step in which the control unit controls an output capacitor voltage of an output capacitor configured in an output of the DC/DC converter to reach an initial reference value, and stores output power; a link capacitor stabilizing step in which the control unit controls the link capacitor such that the link capacitor voltage of the link capacitor reaches a stable reference value; and an output capacitor stabilizing step in which the control unit controls the output capacitor such that the output capacitor voltage of the output capacitor reaches a stable reference value.

Classes IPC  ?

• H02M 1/36 - Moyens pour mettre en marche ou arrêter les convertisseurs
• H02M 5/12 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant alternatif, p. ex. pour changement de la tension, pour changement de la fréquence, pour changement du nombre de phases sans transformation intermédiaire en courant continu par convertisseurs statiques utilisant des transformateurs pour la transformation de l'amplitude de la tension ou du courant seulement
• H02M 7/04 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques
• H02M 3/00 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu

Abrégé

A submodule for conversion of DC power capable of a plurality thereof being connected in series and used for DC-DC conversion in accordance with the present invention comprises: a power switching element for switching DC power supply to convert a source of DC including voltage transformation; a DC capacitor for storing DC power opened or closed by the power switching element; a power supply unit for supplying power required to drive the submodule from the DC capacitor; a submodule controller for controlling whole operation of the submodule; memory for storing data required for operating the submodule controller; and a communicating unit for performing data communication with an external device; wherein the submodule controller may perform a program update during a start sequence of the submodule or during a stop sequence thereof, while DC-DC conversion is operated.

Classes IPC  ?

• G06F 1/26 - Alimentation en énergie électrique, p. ex. régulation à cet effet
• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension
• H02M 3/04 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques

Abrégé

An ion-exchange resin module and a deionization apparatus using same are proposed. An ion-exchange resin module may have the inside filled with ion-exchange resin and may be configured to have a pressing plate such that fluid in the ion-exchange resin is discharged. Multiple ion-exchange resin modules may be installed by being stacked in an inner space defined inside a tank of the deionization apparatus. A discharge pipe which passes through the lower end of the tank and extends to the upper end thereof may be installed in the inner space, the discharge pipe being located in a through duct which passes through the centers of the ion-exchange resin modules.

Classes IPC  ?

• B01D 35/30 - Structure du carter de filtre
• B01J 47/02 - Procédés sur colonne ou sur lit
• B01J 47/022 - Procédés sur colonne ou sur lit caractérisés par la fabrication de la colonne ou du contenant
• C02F 1/42 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par échange d'ions

Abrégé

An actuator is proposed. A housing and a housing cap may constitute the exterior of the actuator, and a driving pin may be installed in an inner space of the housing such that the driving pin is moved by being guided by a guide. A cylindrical bobbin having one open end portion may be installed at the driving pin to be moved integrally therewith, and a coil may be installed at the bobbin. A permanent magnet and an iron core may be stacked in the inner space by the guide. A pin iron core may be provided at the driving pin, and a pin coil may be installed in a groove of the pin iron core.

Classes IPC  ?

• H01F 7/16 - Armatures à mouvement rectiligne
• H02K 41/03 - Moteurs synchronesMoteurs pas à pasMoteurs à réluctance
• H02K 5/02 - Enveloppes ou enceintes caractérisées par le matériau les constituant
• H02K 11/01 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection pour le blindage contre les champs électromagnétiques

Abrégé

Proposed is a submodule of an MMC converter configured to stably supply power to a submodule controller controlling the submodule of an MMC converter. The submodule includes: an energy storage part storing electric energy therein; a plurality of switching elements connected in parallel to the energy storage part to have a shape of a bridge; a plurality of serially-connected resistors connected in parallel to the energy storage part; a plurality of DC-DC converters connected in parallel to a resistor of the plurality of resistors; a power switching part operating to select and output one voltage of voltages output from the plurality of DC-DC converters and a plurality of voltages input from outside; and a submodule controller operating with the voltage output by the power switching part so as to control switching operations of the plurality of switching elements.

Classes IPC  ?

• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension
• H02M 1/00 - Détails d'appareils pour transformation

Abrégé

An actuator is proposed. A housing and a housing cap constitute an exterior of the actuator, and a driving pin is installed by passing through an inner space of the housing such that the driving pin moves rectilinearly. A permanent magnet and an outer iron core are stacked and installed at the inner surface of the housing, that is, in the inner space. The permanent magnets and the outer iron core are stacked such that a set of permanent magnet and outer iron core in which the permanent magnet is stacked at each of opposite sides of one outer iron core.

Classes IPC  ?

• H02K 33/06 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des induits entraînés dans un sens par application d'énergie à un système à une seule bobine et ramenés par une force d'origine mécanique, p. ex. par des ressorts dans lesquels la fréquence de fonctionnement est déterminée par la fréquence d'un courant alternatif appliqué en permanence avec des induits polarisés

Abrégé

A method for determining a scheme for converting power in every power conversion control period and converting power according to the determined scheme may comprise the steps of: calculating average power in a transformer inductor at the time of power conversion according to an SPWM scheme in a control period; calculating average power in the transformer inductor at the time of power conversion according to a DPWM scheme in a control period; and converting power according to a scheme by means of which the calculated average power of the transformer inductor is greater. Here, in the step of calculating the average power in the transformer inductor at the time of power conversion according to the DPWM scheme, it is possible to select a DPWM scheme with the maximum duty in a step-up or step-down condition given in the control period.

Classes IPC  ?

• H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
• H02M 1/00 - Détails d'appareils pour transformation

Abrégé

A movable electrode driving device for a gas insulated switchgear is proposed. A movable electrode may be installed at one of conductors installed in an enclosure inner space of an enclosure. The movable electrode may move into and out of the conductor. Power for driving the movable electrode may be transmitted from a manipulator. A rotation manipulation lever may be installed at the outside of the enclosure, and an insulated shaft may be located inside the enclosure, the insulated shaft being connected to the rotation manipulation lever and extending into the conductor. A rotary lever may be located inside the conductor by being connected to the insulated shaft, and a transmission lever driven by the rotary lever so as to move the movable electrode may be provided.

Classes IPC  ?

• H01H 33/42 - Mécanismes moteurs
• H02B 13/045 - Détails de l'enveloppe, p. ex. étanchéité au gaz

Produits et services

AC servo motor drivers, other than for land vehicles; gas operated power generators; electricity generators for household purposes; high-voltage generators; AC generators; starters for motors and engines; AC motors other than for vehicles; DC motors other than for vehicles; DC motors for ships or aircrafts; AC motors for ships; AC motors for aircrafts; mobile electric power generators; DC generators Rotary converters; current rectifiers; induction voltage regulators; switchboards; electric relays; electric switchgear, namely, voltage boosting devices for electric power lines; circuit breakers; electric circuit closers; electric current control devices; current limiters; electric resistances; lightning arresters; electrical connection boxes; electric reactors; gas-insulated busbars for substation; inverters for energy storage systems (ESS); large size battery packs; solar panels for electricity generation; solar panels for the production of electricity; batteries; energy storage apparatus comprised of batteries; solar batteries for industrial use; electric control devices for energy management; inverters for energy storage apparatus; secondary cells, namely, electrical cells and batteries; electricity energy storage apparatus, namely, batteries, fuel cells, capacitors; modules for photovoltaic power generation; electric power converters; electrical power distribution units; electric batteries; electric capacitors; reactive power compensation apparatus for photovoltaic power station; recorded computer software for assets management; computer systems, namely, computer hardware and recorded computer software for prevention and diagnosis of power plant systems issues; computer systems, namely, computer hardware and recorded computer software for managing and operating virtual power plants; recorded software for managing and operating virtual power plant systems; electrical controllers for control of virtual power generation general output

Abrégé

A component grounding system according to one embodiment comprises: a case for accommodating a plurality of components; a DC capacitor disposed on one side of the case and electrically connected to the case; and a bus bar, disposed between the case and the DC capacitor, for connecting the case and the DC capacitor, the bus bar representing an electrode, wherein each of the plurality of components may be connected to the bus bar.

Classes IPC  ?

• H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
• H02B 1/16 - Dispositions pour la mise à la terre
• H02B 1/56 - RefroidissementVentilation

Abrégé

A power grid control device of the present invention may comprise: a grid input interface for receiving an input of information on an operation state of a power grid; a grid output interface for outputting a signal for operating the power grid; a communication interface for performing data communication with a remote device; a component unit in which a plurality of software components for performing individual functions required for operating the power grid are stored; and a processing module for executing the components to process a work required for the operation of the power grid.

Classes IPC  ?

• G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques

Abrégé

A sub-module cooling device of a power transmission system is proposed. Sub-modules may be arranged in a row on each of multiple layers of a frame. Heat generated by the sub-modules may be transferred to a duct through heat pipes, and the heat transferred through the heat pipes may be discharged to the outside while air coming out from an air conditioner passes through the duct. When the heat generated by the sub-modules is discharged in this manner, a cooling fan may not be required to be installed in each of the sub-modules. Air may be flown by the operation of the air conditioner and may absorb the heat generated by the sub-modules and discharge the heat to the outside.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

A method for configuring a master/slave board during initial booting of dual boards, and dual boards thereof are proposed. Each of the dual boards includes: a voltage input part to which an AC voltage is applied by initial booting; a voltage converter for converting the applied AC voltage into a DC voltage; a communication part for transmitting a DC voltage value corresponding to the converted DC voltage to a counterpart board and receiving a DC voltage value of the counterpart board from the counterpart board; and a controller for initializing the voltage converter when an initial boot signal and the AC voltage are applied from outside, converting the DC voltage converted by the voltage converter into the DC voltage value, and comparing the DC voltage values of each board transmitted and received through the communication part, so as to configure each board as a master or slave board.

Classes IPC  ?

• G05B 19/00 - Systèmes de commande à programme
• H04W 84/20 - Dispositions meneuses-suiveuses
• G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques

Abrégé

An HVDC system capable of monitoring cooling water for each valve or valve section according to the present invention comprises: at least one valve or valve section including multiple adjacent submodules; a flowmeter which is installed for each valve or valve section and at a predetermined position of a pipe through which cooling water for cooling the submodules flows, and is configured to enable electric power generation according to the flow of cooling water therein; and a cooling water monitoring unit which receives, from each flowmeter, input of information on the flow rate of cooling water flowing through a corresponding valve or valve section, to monitor the flow rate of cooling water in each valve or valve section.

Classes IPC  ?

• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu
• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

A heat sink according to an embodiment comprises: an inlet part through which a refrigerant is introduced; an outlet part through which the refrigerant received from the inlet part is discharged; and a plurality of flow channels which are disposed between the inlet part and the outlet part and though which the refrigerant flows, wherein the plurality of flow channels are arranged to have a spirally wound shape, and the plurality of flow channels have portions where the flow channels communicate with each other, so as to allow the refrigerant to circulate between the flow channels.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

A bypass device of an HVDC sub module according to the present invention comprises: a sub module for generating a voltage in an HVDC system; a bypass switch driving unit for driving a bypass switch located at an input terminal of the sub module; a sub module controller for monitoring a state of the sub module to transmit the monitored state to a system controller, and controlling the sub module and the bypass switch driving unit according to a command of the system controller; and a voltage monitoring unit for controlling the bypass switch driving unit by monitoring a voltage of a capacitor located in the sub module.

Classes IPC  ?

• H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
• H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension

Abrégé

An output distribution method of a power supply system according to the present invention comprises the steps of: if a required output power of a power supply system exceeds a reference value, assigning the required output power equally to all PCSs; if the required output power does not exceed the reference value, assigning at least one maximum power driving PCS to be operated with a maximum driving ratio power, on the basis of a maximum driving ratio and a lowest driving ratio; if a remaining power unassigned during power assignment of the maximum power driving PCS exceeds a lowest driving ratio power, assigning a remaining power driving PCS for operation of the remaining power; and if the remaining power unassigned during the power assignment of the maximum power driving PCS does not exceed the lowest driving ratio power, equally dividing and reassigning the required output power to the maximum power driving PCS assigned during the power assignment of the maximum power driving PCS.

Classes IPC  ?

• H02J 3/14 - Circuits pour réseaux principaux ou de distribution, à courant alternatif pour règler la tension dans des réseaux à courant alternatif par changement d'une caractéristique de la charge du réseau par interruption, ou mise en circuit, des charges du réseau, p. ex. charge équilibrée progressivement
• H02J 3/46 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs contrôlant la répartition de puissance entre les générateurs, convertisseurs ou transformateurs

Abrégé

The present invention relates to a conductor for a gas-insulated switchgear, comprising a conductor body and a ring member provided at the end side of the conductor body. Therefore, the present invention reduces welding while increasing silver plating efficiency, and thus enables economical manufacturing.

Classes IPC  ?

• H02B 13/035 - Appareillages de commutation à isolation gazeuse
• H01H 33/53 - EnveloppesRéservoirs, cuves, tuyauterie ou robinetterie pour le fluide d'extinction d'arcAccessoires pour ces dispositifs, p. ex. dispositifs de sécurité, dispositifs de décompression

Abrégé

A control device for an MMC is disclosed. The control device for an MMC comprising a plurality of converter arms that include a plurality of sub-modules connected in series and that are connected to a DC link comprises: an arm controller, which detects the arm current of a converter arm so as to determine whether a DC failure has occurred, and, if it is determined that the DC failure has occurred, transmits a bypass control signal for protecting a sub-module and notifies of the DC failure; a sub-module controller for controlling the sub-module so as to bypass a DC failure current according to the bypass control signal received from the arm controller; and a main controller, which detects, in real-time, the arm current of the converter arm and a voltage (DC link voltage) of the DC link, determines whether the DC failure is a temporary DC failure or a permanent DC failure on the basis of the detected arm current and DC link voltage if the occurrence of the DC failure is notified by the arm controller, and transmits, to the arm controller, a normal operation control signal for normal operation of the sub-module or a by-pass control signal for by-passing of the DC failure current.

Classes IPC  ?

• H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
• H02H 7/125 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour convertisseursCircuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour redresseurs pour convertisseurs ou redresseurs statiques pour redresseurs
• H02M 7/23 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs agencés pour la marche en parallèle
• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu

Abrégé

A bypass switch for a STATCOM and an HVDC of the present invention is characterized by: a switch body having a column; a switch head which is coupled to the column and in which a sliding part is provided so as to be slidable up and down; a sliding part which is inserted into the switch head; a driven latch which is inserted into the sliding part and fixed to a driving shaft penetrating therethrough; a driving latch which is coupled to an end of the driving shaft exposed to the outside of the switch head, and which is provided to be driven by a solenoid; a stop coupled to the front of the switch head so as to limit movement of the driven latch; a pressure bearing which is inserted into a lower portion of the sliding part and coupled thereto by a bearing pin; an elastic body provided between the sliding part and the switch body; and a rod coupled to an upper portion of the sliding part so as to be insulated by an insulator.

Classes IPC  ?

• H01H 33/42 - Mécanismes moteurs
• F16B 5/02 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par organes de fixation utilisant un filetage
• F16C 33/34 - RouleauxAiguilles

Abrégé

The present invention relates to an evaporation device for cooling. In the present invention, a working fluid can move by means of capillary force by a wick (16) in an evaporation space (12) formed inside a housing (10). While the working fluid moves from the bottom to the top of the evaporation space (12), that is, from a working fluid inlet pipe (26) toward a vapor outlet pipe (28), by the wick (16), the working fluid is evaporated to become vapor by heat generated by a heating source. In addition, a partition wall (20) is provided in the evaporation space (12) to control the flow of vapor. Then, the working fluid delivered into the evaporation space (12) is evenly mixed into the existing working fluid remaining in the lower portion of the evaporation space (12) by a distributor (30).

Classes IPC  ?

• F28D 15/02 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs
• F28D 15/04 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p. ex. tubes caloporteurs avec des tubes ayant une structure capillaire
• F28F 13/18 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution par application de revêtements, p. ex. absorbant les radiations ou les réfléchissantDispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution par application d'un traitement de surface, p. ex. un polissage

Abrégé

The present invention relates to a heat dissipating device using turbulent flow. In the heat dissipating device, a plurality of block flow paths (12) are formed in parallel inside a block body (10), a first cap (16) and a second cap (28) are mounted on side surfaces (15) of the respective ends of the block body (10) so as to connect the block flow paths (12), a working fluid flows into the block flow paths (12), and the working fluid which has passed through the block flow paths (12) is transferred to the outside. Turbulence generators (38) are mounted inside the block flow paths (12), and finishing end portions (40) on the respective ends of the turbulence generators (38) are supported by the first cap (16) and the second cap (28) and are positioned inside the block flow paths (12).

Classes IPC  ?

• F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes
• F28D 1/03 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec des canalisations en forme de plaques ou de laminés
• F28F 3/02 - Éléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des évidements, avec des ondulations
• F28F 3/06 - Éléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des évidements, avec des ondulations les moyens pouvant être fixés sur l'élément
• F28F 13/12 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en créant une turbulence, p. ex. par brassage, par augmentation de la force de circulation

Abrégé

The present invention is an air gap adjustment apparatus. The apparatus is for enabling an air gap between the inner surface of a stator (22) and the outer surface of a rotor (24), which are installed in an inner space (14) of a housing (10), to be uniform overall. A plurality of fastening holes (18) are formed so as to surround a shaft through-hole (18) of an end plate (16) constituting the housing (10). A fastener (28), which has passed through a bearing housing (32) of a bearing (30), is fastened to each fastening hole (18) so as to mount the bearing (30) to the end plate (16). An adjusting member body (37) of an adjusting member (36), which has passed through the bearing housing (32), is positioned in an adjusting member seating part (20) which is formed at the entrance of each fastening hole (18). The adjusting member (36) rotates about the adjusting member body (37) so that a head part (38) may adjust the position of the bearing (30).

Classes IPC  ?

• H02K 15/00 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques
• H02K 7/08 - Association structurelle avec des paliers

Abrégé

The present invention relates to an apparatus and a method for setting a controller board ID of a HVDC system, the method and the apparatus setting a board ID on the basis of the mounting location of the board and the type of board so as to easily identify an inspection location and the type of board, and easily detecting the mounting location of the board and the type of board so that board inspection time can be reduced. The apparatus for setting a controller board ID of the HVDC system comprises: an IO board for controlling a sub-module; a main board for managing at least one IO board; and a backplane for connecting the main board to at least one IO board.

Classes IPC  ?

• G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
• G05B 19/414 - Structure du système de commande, p. ex. automate commun ou systèmes à multiprocesseur, interface vers le servo-contrôleur, contrôleur à interface programmable
• G05B 19/048 - ContrôleSécurité

Abrégé

A method for securing the program safety of an HVDC system according to the present invention comprises the steps of: calculating, by a controller of the HVDC system, a BIOS program eigenvalue after loading a BIOS when power is applied; receiving, by the controller, a BIOS program eigenvalue of the controller prestored in a higher system of the controller; and comparing the BIOS program eigenvalue calculated in the controller and the BIOS program eigenvalue prestored in the higher system so as to identify whether or not the eigenvalues are identical and, if the eigenvalues are not identical, stopping execution of a program and notifying the higher system that the eigenvalues are not identical.

Classes IPC  ?

• G06F 21/57 - Certification ou préservation de plates-formes informatiques fiables, p. ex. démarrages ou arrêts sécurisés, suivis de version, contrôles de logiciel système, mises à jour sécurisées ou évaluation de vulnérabilité
• G06F 11/36 - Prévention d'erreurs par analyse, par débogage ou par test de logiciel
• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu

Abrégé

The present invention relates to an HVDC system having a smoothing reactor control apparatus and a control method therefor, capable of stabilizing ripples in the HVDC system and simultaneously controlling a reactance to reduce power loss, and effectively suppressing a failure spread due to a fault current by controlling the reactance of the HVDC sweep system at a high speed. The HVDC system having a smoothing reactor control apparatus of the present invention comprises: a sub-module for generating a high-voltage direct current from an AC system; and the smoothing reactor control apparatus positioned between the sub-module and the AC system to smooth the ripple of the sub-module.

Classes IPC  ?

• H02M 1/14 - Dispositions de réduction des ondulations d'une entrée ou d'une sortie en courant continu
• H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension
• H02J 3/18 - Dispositions pour réglage, élimination ou compensation de puissance réactive dans les réseaux
• H02P 13/06 - Dispositions de commande de transformateurs, réactances ou bobines d'arrêt de façon à obtenir les caractéristiques désirées à la sortie par changement de prisesDispositions de commande de transformateurs, réactances ou bobines d'arrêt de façon à obtenir les caractéristiques désirées à la sortie par modification des connexions des enroulements
• H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion

Abrégé

The present invention relates to an apparatus and a method for synchronizing a VBE clock in an HVDC system, which are capable of increasing the reliability of HVDC by synchronizing the VBE clock of the HVDC system to suppress the generation of harmonics in an HVDC output, and by duplicating clock generation to supply a stable clock to a sub-module. The apparatus for synchronizing a VBE clock in a HVDC system of the present invention comprises: an operation board that generates a reference clock; and an interface board that is synchronized with the reference clock and controls ON/OFF of the sub-module.

Classes IPC  ?

• H02J 3/36 - Dispositions pour le transfert de puissance électrique entre réseaux à courant alternatif par l'intermédiaire de haute tension à courant continu
• H02M 3/158 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p. ex. régulateurs à commutation comprenant plusieurs dispositifs à semi-conducteurs comme dispositifs de commande finale pour une charge unique

Abrégé

A substation asset management method according to one embodiment of the present invention comprises the steps of: generating a health index of each substation device on the basis of real-time monitoring information and state data about each substation device; classifying grades according to the generated health index of each substation device, and matching a lifespan model to each of the classified grades and reflecting same; setting, according to a predetermined priority, candidate devices to be maintained, and performing a system reliability index and feasibility evaluation so as to select a maintenance scenario for each candidate device to be maintained; and executing maintenance by using the selected maintenance scenario, and updating a health index evaluation for each substation device according to the maintenance execution result.

Classes IPC  ?

• G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation
• G06Q 10/10 - BureautiqueGestion du temps
• G06Q 50/10 - Services
• G06Q 50/06 - Fourniture d’énergie ou d’eau

Abrégé

A movable part of a circuit breaker for a gas-insulated switchgear is proposed. The movable part includes a puffer cylinder, a nozzle, and a main contact. An outer rib at the rear end of the nozzle is hooked to a hook rib at the front end of the hook part of the puffer cylinder. A chamber guide is provided inside the puffer cylinder so that the nozzle is immobilized. The main contact is mounted on the outer surface of the front end of the hook part. Thus, the number of components constituting the movable part of the circuit breaker is reduced, and the number of bolting points is reduced, thereby greatly reducing man-hours in an assembly work and preventing a main contact separation from occurring due to bolt loosening.

Classes IPC  ?

• H01H 33/70 - Interrupteurs comportant des moyens séparés pour diriger, obtenir ou augmenter l'écoulement du fluide extincteur d'arc

Abrégé

A method for diagnosing a state of a submodule in initial charging of an MMC converter includes identifying, by an upper level controller, a stopped state of the MMC converter; supplying, by the upper level controller, an alternating current (AC) voltage from an AC side to N submodules in the MMC converter when the MMC converter is in the stopped state; charging a capacitor in the submodule with the supplied AC voltage to store an initial charging voltage in the capacitor; determining, by a submodule controller, whether the submodule is in a fault state and when the submodule is in a fault state, transmitting a fault signal to the upper level controller; and detecting, by a voltage detection unit of the submodule the initial charging voltage stored in the capacitor and transmitting the initial charging voltage to the submodule controller.

Classes IPC  ?

• G01R 31/40 - Tests d'alimentation
• H02M 7/483 - Convertisseurs munis de sorties pouvant chacune avoir plus de deux niveaux de tension