An air circuit breaker according to an embodiment of the present disclosure comprises: a body portion provided with an opening having one open side; a plurality of movers which are rotatably coupled to the body portion and inserted in the opening; and a plurality of contact springs which are accommodated in the body portion and provide the plurality of movers respectively with an elastic force, wherein the plurality of contact springs comprise a plurality of first contact springs, and a plurality of second contact springs arranged among the plurality of first contact springs. The plurality of first contact springs may provide the plurality of movers with greater elastic force as compared with the plurality of second contact springs.
The present invention relates to a manual motor starter and, more specifically, to a trip device for a manual motor starter. According to the trip device for a manual motor starter according to an embodiment of the present invention, unlike a conventional scheme in which a shift lever acts on a latch holder of an opening/closing mechanism unit through a compensation bimetal, the shift lever directly acts on the latch holder without going through the compensation bimetal, thereby reducing action errors and improving stability.
A power conversion module and a power supply device including the same are disclosed. The power conversion module according to one aspect of the present disclosure includes a first electrically connected module that is electrically connected to any one of an external power source and an external load; a second electrically connected module that is electrically connected to the other one of the external power source and the external load; and a voltage-transforming module that is electrically connected to each of the first and second electrically connected modules, receives power from any one of the first and second electrically connected modules, and voltage-transforms the received power to transmit the same to the other electrically connected module, wherein the first electrically connected module, the second electrically connected module, and the voltage-transforming module may be disposed side by side along one direction.
A DC relay is disclosed. According to an aspect of the present disclosure, the DC relay includes a main contact part that is electrically connected to an external power source or an external load; a sub contact part that is electrically connected to an external control power source and receives a control signal or current for controlling an operation of the main contact part; and an arc chamber having a space in which the main contact part and the sub contact part are accommodated, wherein the main contact part comprises a plurality of fixed contactors disposed to be spaced apart from each other along one direction inside the arc chamber, and the sub contact part comprises a plurality of sub connectors disposed to be spaced apart from the plurality of fixed contactors.
The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other; and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
DC motors other than for vehicles; DC motors for ships or
aircrafts; electric vending machines. Electric relays; electric accumulators; electricity meters;
junction box; transit switches; computer workstations
[hardware]. Sun lamps. Direct current (DC) motors for land vehicles. Electrical insulators.
An electric switching device is disclosed. According to one aspect of the present invention, an electric switching device comprises: a rail unit including a rail member extending in one direction; a moving unit coupled to the rail member to be movable in the one direction; and a power unit coupled to the rail unit to apply a rotational force, wherein the moving unit includes: a moving body coupled to and passing through the rail member; a transmission member coupled to and passing through the moving body and in contact with an inner circumference of the moving body; and a movement limiting member coupled to the transmission member to move together and positioned to be biased to one side in the one direction, wherein when an end of the one side of the movement limiting member is pressed, the transmission member may be spaced apart from the inner circumference of the moving body.
The present invention relates to an electronic device providing a user interface for process inspection, and a process inspection method using same. The electronic device according to one embodiment of the present invention may comprise a processor providing a user interface for process inspection, including: a first area in which a process inspection list and a process inspection result of a product introduced into a process are displayed; and a second area in which an image acquired by capturing a process progress status in real time is displayed.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
Disclosed are an arc extinguishing unit and an air circuit breaker comprising the same. An arc extinguishing unit according to an embodiment of the present invention provides: side plates spaced apart from each other and disposed to face each other; a plurality of grids disposed between the side plates, spaced apart from each other, and coupled to the side plates, respectively; a magnet unit forming a magnetic field for changing a path of an arc formed between a fixed contact and a movable contact disposed to be spaced apart from the fixed contact, and disposed adjacent to the outermost grid adjacent to the fixed contact among the plurality of grids.
An arc inducing part and a direct current relay including the same are disclosed. The arc inducing part and a direct current relay including the same according to one aspect of the present disclosure may include a magnet housing coupled to the outside of an arc chamber, wherein the arc chamber partially accommodates a fixed contactor; and a magnet part accommodated in a magnet space formed in the magnet housing to form a magnetic field inside the arc chamber, and wherein a plurality of fixed contacts are provided and the plurality of fixed contacts are disposed to be spaced apart from each other in one direction inside the arc chamber, and wherein the magnet part may be disposed along the other direction that forms a predetermined angle with the one direction.
The present invention relates to a circuit breaker having a closing counter, and more specifically, to a circuit breaker having a closing counter synchronized with an On operation. According to a circuit breaker having a closing counter according to one embodiment of the present invention, the counter operates in conjunction with a closing (On) operation of the circuit breaker, and thus can accurately count the number of times of the closing (On) operation in alignment with the closing timing.
An apparatus for analyzing a spectrum of a dissolved gas signal of an extra-high voltage oil-immersed transformer according to one embodiment of the present invention may comprise a processor which obtains a dissolved gas signal of an extra-high voltage oil-immersed transformer, uses an analysis model for estimating disturbance components of dissolved gas signals sequentially inputted over time so as to predict a dissolved gas signal to be inputted in a next sequence, updates the analysis model to minimize the difference between an actual dissolved gas signal obtained in the next sequence and the predicted dissolved gas signal, and removes the disturbance components obtained through the analysis model from the actual dissolved gas signal.
The present invention relates to a method, device, and system for monitoring a fault current. A method according to an embodiment of the present invention comprises the steps in which: a fault detection device determines whether an overcurrent occurs in each line for a reference time period, on the basis of a sensing signal for each AC current flowing through a plurality of lines of a power system; and when an overcurrent occurs, the fault detection device separately stores, in a memory, data on a type of an overcurrent line and current data for the overcurrent among current data that is data on an AC current waveform according to the sensing signal.
G01R 31/08 - Locating faults in cables, transmission lines, or networks
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
G01R 31/52 - Testing for short-circuits, leakage current or ground faults
G01R 13/02 - Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
15.
PROTECTION DEVICE AND INSPECTION SYSTEM FOR PROTECTION DEVICE
The present invention relates to a protection device and an inspection system for the protection device. The protection device may determine state information regarding at least one state of a system on the basis of a result obtained by detecting at least one of a voltage and a current of the system, generate display information according to the state information, and display code information on a display screen displayed to the outside according to a display setting, thereby allowing the state information to be recognized through recognition of the code information, and enabling simple and convenient acquisition of data.
G01R 13/02 - Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
H02H 3/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
H02H 1/00 - Details of emergency protective circuit arrangements
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
16.
MONITORING DEVICE FOR MONITORING COMMUNICATION STATE OF POWER APPARATUS AND POWER APPARATUS HAVING SAME
The present invention relates to a power apparatus having a communication state monitoring device. The power apparatus comprises: a communication port connected to a network connection device; a control unit for receiving and processing reception data received via the communication port to output, to the communication port, transmission data to be transmitted to a destination apparatus and for performing an operation according to a program logic for performing a function of the power apparatus; and a communication state monitoring module disposed between the communication port and the control unit and for outputting reception data received from the communication port to the control unit, outputting transmission data received from the control unit to the communication port, classifying the transmission data or the reception data input from the communication port and the control unit into predetermined different categories according to a header, and storing a statistical analysis result performed for each category.
H04L 1/00 - Arrangements for detecting or preventing errors in the information received
H04L 1/16 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
H04L 41/0659 - Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
Disclosed is a case of a molded case circuit breaker. The case of the molded case circuit breaker prevents components arranged in an accommodation space of the case from being contaminated with scatter generated by arc and carbon thin films, and thus improves the withstand voltage performance of the molded case circuit breaker. The case of a molded case circuit breaker, according to an embodiment of the present invention, is a case provided to the molded case circuit breaker. The case accommodates a base assembly. The case is provided with an arc passage through which arc generated inside the base assembly moves. The arc passage is integrated with the case.
This main circuit breaker comprises: a main measurement device disposed in the main circuit breaker; and a wireless communication unit configured to transmit a wireless signal to a wireless data collection device. The main measurement device includes: a main measurement unit having a plurality of terminal contact units formed to be connected to a plurality of branch circuit breakers and connected to a terminal unit for each phase of the plurality of branch circuit breakers through each input terminal of the plurality of terminal contact units; and an optical transmission and reception module for transmitting circuit breaker status information of the main circuit breaker to the main measurement unit. The main circuit breaker may further include a light reflection sticker in which a light absorption region and light reflection regions are formed.
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
G08C 23/04 - Non-electric signal transmission systems, e.g. optical systems using light waves, e.g. infrared
G08C 17/02 - Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
G01R 22/06 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 19/145 - Indicating the presence of current or voltage
19.
PRODUCT INFORMATION PROVISION DEVICE, PRODUCT INFORMATION PROVISION SYSTEM INCLUDING SAME, AND INFORMATION PROVISION METHOD
The present invention relates to a product information provision device, a product information provision system including same, and an information provision method. The product information provision system according to an embodiment of the present invention may comprise: a first product database for storing first product information according to a first model naming system and model name item-specific weight information corresponding to the first product information; and an information provision device for receiving search request information including second product information according to a second model naming system, measuring a similarity between the second product information and the first product information stored in the first product database by reflecting the weight information, and identifying information of at least one target product corresponding to the search request information in the first product information on the basis of the similarity.
The present invention relates to a motor protection circuit breaker and, more specifically, to a motor protection circuit breaker having an instantaneous pre-adjustment unit that comprises: a trip plate connected to a trip unit so as to operate when an instantaneous current occurs in a circuit; a gap adjustment member coupled to an enclosure so as to be vertically movable; and an adjustment unit spring that is connected between the trip plate and the gap adjustment member and can extend and contract therebetween. According to an embodiment of the present invention, the motor protection circuit breaker having the instantaneous pre-adjustment unit enables modification of a set value for instantaneous operating current by having the instantaneous operating current pre-adjustment unit equipped therein.
A current transformer for an air circuit breaker is disclosed. The air circuit breaker according to one aspect of the present invention comprises: a housing which has an inner space and which is shaped as an enclosure that includes a terminal arrangement hole having a circular or rectangular terminal that passes therethrough and is arranged therein; and a signal CT unit using a Rogowski coil, which is arranged to wrap the circumference of the terminal arrangement hole in the inner space, thereby measuring a load state, wherein the Rogowski coil can include a Rogowski core which is made of an elastic material and which is arranged in the inner space while the diameter length in a first direction of the hole and the diameter length in a second direction of the hole are different from each other.
H01F 27/42 - Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors or choke coils
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
A circuit breaker is disclosed. According to an aspect of the present invention, the circuit breaker comprises: a housing having a housing space formed therein; a conductive unit contained in the housing space and partially exposed to the outside of the housing such that same is conductively connected to the outside; and a heat dissipation unit contained in the housing space and coupled to the conductive unit such that same receives heat generated in the conductive unit.
The present invention discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other; and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.
The present disclosure is directed to a high-speed earthing switch for a gas insulated switchgear comprising an enclosure, a cylinder member inside the enclosure and having ventilation holes formed in a lower portion and a cylinder hole formed in an end portion, and a piston member inserted into the cylinder member, having one end protruding outside through the cylinder hole, and moving forward and backward by receiving force from a drive unit to spray air inside the cylinder member toward a contact portion when opened, wherein a fixed plate having a first surface is disposed on a piston member and a movable plate is disposed on a second surface of the fixed plate facing an opposite direction to the cylinder hole, the earthing switch comprising an elastic support unit enabling the movable plate to be elastically pressed to be in close contact with the second surface of the fixed plate.
The present invention relates to an MMC-type STATCOM system. The MMC-type STATCOM system according to an embodiment of the present invention comprises: a plurality of sub-modules; a plurality of sub-module interfaces (SMIs) that respectively correspond to the plurality of sub-modules and receive status information from the corresponding sub-modules; and a VBE controller that receives the status information of the sub-modules from the plurality of SMIs and diagnoses the status of each submodule on the basis of the received status information, wherein the VBE controller determines the number of failed sub-modules from among the plurality of sub-modules on the basis of the received status information, and when the determined number of sub-modules is greater than a preset number, calculates an index for determining whether or not it is operable.
H02J 3/18 - Arrangements for adjusting, eliminating or compensating reactive power in networks
H02M 7/483 - Converters with outputs that each can have more than two voltage levels
H02M 7/493 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
26.
RULE-BASED DATA REPORTING DEVICE AND METHOD IMPLEMENTED USING NO-CODE PLATFORM
A rule-based data reporting device implemented using a no-code platform according to an embodiment of the present invention may comprise a processor that: provides a first user interface implemented to select at least one piece of data from among multiple pieces of data of at least one target device and configure at least one operation, which is to be performed on each of the selected at least one piece of data, and an operation condition; provides a second user interface implemented to configure a generation condition for report generation; and generates a report on the basis of user inputs received via the first user interface and the second user interface.
An enclosure for an isolated converter and an isolated converter using the same are provided. The enclosure for an isolated converter, according to an embodiment of the present invention, may include a main body having a primary-side space and a secondary-side space. The main body may include a partition wall provided to vertically separate the primary-side space and the secondary-side space from each other, and an upper wall and a lower wall provided above and below the partition wall, respectively.
Embodiments of the present specification relate to a circuit breaker control device, a circuit breaker, and a circuit breaker test system, in which: communication is performed with a test device in a data communication manner so as to receive, from the test device, data on information of a test signal for testing a blocking operation of the circuit breaker; a relay element of the test signal is analyzed on the basis of the data; and whether to perform the blocking operation is determined according to an analysis result, and the blocking operation is thus performed according to a determination result.
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
H02H 1/00 - Details of emergency protective circuit arrangements
H02H 3/02 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection Details
An air circuit breaker is disclosed. An air circuit breaker according to one aspect of the present invention may comprise: a cradle; a circuit breaker main body which is inserted into and withdrawn from the cradle; a transfer module provided in the cradle and allowing the circuit breaker main body to be inserted into and withdrawn from the cradle; an interlock lever which vertically moves so that an upper side protruding part has a first position at a position higher than the bottom surface of the circuit breaker main body and the protruding part has a second position at a position lower than the bottom surface of the circuit breaker main body; and an interlock lever adjusting module which restricts the vertical movement of the interlock lever so that the interlock lever is fixed in the second position in a state in which the circuit breaker main body is not inserted into the cradle, and allows the interlock lever to move to the first position as the circuit breaker main body is inserted into the cradle.
The present invention comprises: a high-frequency signal detection unit for detecting high-frequency signals from an electric line; an interruption unit for interrupting the electrical connection between a power source and a load by interrupting an electric line; a voltage detection unit for detecting voltage changes in an electric line; a current detection unit for detecting current changes in an electric line; and a control unit for detecting, from the voltage changes, ZCPs which are time points at which the voltage reaches a reference voltage according to phase alternation thereof, estimating whether an arc occurs during a half-cycle of the current corresponding to the interval between the detected ZCPs on the basis of the average intensity of high-frequency signals and the current magnitude detected during the half-cycle, determining whether an arc has occurred in an electric line on the basis of whether the estimated number of times of arc occurrence is equal to or greater than a reference number, and interrupting the electric line according to the determination result.
The present invention relates to a method and an apparatus for copying a configuration value of a circuit breaker. The method for copying a configuration value of a circuit breaker by executing an operation program recorded in a memory by a control unit of an electronic device comprises the steps of: receiving a first signal requesting a read operation; reading a configuration value of a first circuit breaker in response to the first signal; storing the configuration value in the memory; receiving a second signal requesting a write operation; and writing the configuration value to a second circuit breaker, which is to use the same configuration value as the first circuit breaker, in response to the second signal.
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
H02H 3/05 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection Details with means for increasing reliability, e.g. redundancy arrangements
32.
EXTERNAL OPERATION HANDLE ASSEMBLY FOR MOLDED CASE CIRCUIT BREAKER
Disclosed is an external operation handle assembly for a molded case circuit breaker. The external operation handle assembly for a molded case circuit breaker prevents a panel door from opening when current is flowing through the molded case circuit breaker, thereby preventing accidents in advance. The external operation handle assembly for a molded case circuit breaker, according to embodiments of the present invention, comprises an external operation handle and a latching part. The external operation handle is coupled to the molded case circuit breaker. The latching part is coupled to the panel door and comes into contact with a locking part of the external operation handle. In a normal state in which current flows through the molded case circuit breaker, the locking part moves in one direction to come into contact with the latching part.
The present invention relates to an apparatus and method for detecting an output short circuit of an inverter, the apparatus according to the present invention comprising: a shunt resistor that measures the magnitude of current between a positive terminal of a DC link capacitor and an inverter unit; a comparator that receives a voltage applied to the shunt resistor through a first input terminal and receives a reference voltage through a second input terminal to output a comparison result; a feedback resistor that connects the output terminal of the comparator and the second input terminal of the comparator; and an inverter control unit that controls the operation of the inverter unit on the basis of the output voltage from the output terminal of the comparator. The present invention, by extending the inverter short-circuit detection time, can detect a pulse-type short-circuit current, thereby protecting inverter elements and the inverter from failure or burnout.
G01R 1/20 - Modifications of basic electric elements for use in electric measuring instrumentsStructural combinations of such elements with such instruments
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
The present invention relates to an arc monitoring device comprising: a high frequency signal detection unit for detecting high frequency signals from an electric line; a blocking unit for blocking an electrical connection between a power source and a load; a voltage detection unit for detecting a voltage change in the electric line; a current detection unit for detecting a current change in the electric line; and a control unit. The control unit: detects ignition, which is a precursor to the occurrence of an arc, according to the difference between the average of accumulated magnitudes of high-frequency signals prior to a half-period of a current and the average of detected magnitudes of high-frequency signals during the half-period of the current; detects a current change according to the difference between a current amount detected during one period of the current and a current amount detected during one previous period of the current; estimates whether the arc occurs during a half period on the basis of the average of magnitudes of high frequency signals collected during the half period of the current when the ignition and the current change are detected; determines whether the arc occurs on the basis of whether the estimated number is equal to or greater than an allowable number; and blocks the electric line according to the determined result.
A system for estimating a partial discharge occurrence location, according to an embodiment of the present disclosure, comprises: a plurality of data acquisition apparatuses that are installed in one area of a measurement target, and simultaneously acquire sensing data via time synchronization using a precision time-synchronization protocol (PTP); and a determination apparatus that determines a partial discharge occurrence location of the measurement target by using a plurality of pieces of sensing data received from the plurality of data acquisition apparatuses.
The present invention relates to a method for evaluating the soundness of power facilities, which is performed by means of a processor of a computing device, the method comprising: an input step of receiving evaluation items capable of evaluating the state of the power facilities; a classification step of classifying the evaluation items into condition evaluation items capable of checking a failure of the power facilities, deterioration evaluation items capable of checking a degree of deterioration of the power facilities, and strategic evaluation items selected by an operator; a strategic index determination step of processing the condition evaluation items to determine a condition index, processing the deterioration evaluation items to determine a deterioration index, and processing the strategic evaluation items to determine a strategic index; and a soundness index determination step of comparing the condition index, the deterioration index, and the strategic index, and determining an index having the lowest value as a final soundness index.
The present invention relates to an arc monitoring device. The arc monitoring device comprises: a high-frequency signal detection unit that detects a high-frequency signal from a power circuit; a blocking unit that blocks the power circuit to block a connection between a power supply and a load; a voltage detection unit that detects a voltage change in the power circuit; a current detection unit that detects a current change in the power circuit; and a control unit that detects a ZCP, which is a point in time at which a reference voltage appears according to a phase alternation of a voltage from the voltage change, detects a zero section according to a time during a half-cycle of a current between ZCPs at which a current value within a threshold range from a reference current is detected, detects arc noise according to a variation in the high-frequency signal, estimates whether arc occurs during the half-cycle on the basis of an average intensity of the high-frequency signal in a case in which the zero section and the arc noise are detected, determines whether arc occurs on the basis of whether the estimated number of times of arc occurrences is greater than or equal to an allowable number of times, and blocks the power circuit according to a result of the determination.
The present invention relates to a device and method for evaluating the economic feasibility of a power facility, the device comprising: a memory in which at least one algorithm for evaluating economic feasibility is stored; a control unit for executing the at least one algorithm; and a communication unit for collecting data necessary for evaluating the economic feasibility by accessing at least one server. The control unit calculates at least one of the supply reliability, financial impact, safety accident impact, or environmental influence of the power facility, and evaluates the economic feasibility of the power facility on the basis of the calculated result.
Disclosed is an operation rotation unit of a gas switchgear. The operation rotation unit of a gas switchgear has excellent sealing performance and prevents atmospheric pollution. According to an embodiment of the present invention, the operation rotation unit is an operation rotation unit mounted on a gas switchgear and comprises a body unit, a first ring unit, a flange unit, a bearing unit, and a second ring unit.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer software that enables customers to access the site for technical support and to download, upload, and use Q&A resources; computer software for integrated control using digital twin technology; energy storage apparatus comprised of batteries; inverters [electricity]; computer for power equipment asset management; computer software for power equipment asset management; operating system software for comprehensive protection power control; computer software for remote access to computers or computer networks; PCL - Programmable Logic Controller; circuit closers Website management services based on digital twin technology; provision of digital twin service platform; software maintenance services for digital twin service platform; computer system monitoring services via remote access; maintenance of power system monitoring and control; development of power equipment asset management service platform; provision of power equipment asset management service platform; website maintenance services for power equipment asset management service platform; development of operating system software for comprehensive protection power control; engineering services relating to comprehensive protection power control operating system
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Control devices for electric energy stored from grid, solar, and wind power sources; control apparatus for factory automation; transformers; computer software for distributed control systems (DCS); remote metering apparatus; remote measuring and control apparatus; power inverters; electrical control apparatus; electrical measuring instruments; computer programs for energy consumption data acquisition and optimal control; computer programs for power system monitoring and control; electric energy meters; power conversion apparatus; software for power comprehensive protection and control operation systems; computer programs for SCADA(Supervisory Control And Data Acquisition System) systems; apparatus for maximum demand power control; capacitors; rechargeable batteries; computers; computer programs; programmable Logic Controllers (PLC); circuit breakers; computers for Distributed Control Systems (DCS); computer programs for power load management; computer programs for building energy consumption reduction system maintenance; computer programs for building energy prediction and optimal management; computer programs for optimal energy production control and maintenance; computer programs for power storage device management and operation; computers for SCADA(Supervisory Control And Data Acquisition System) systems Measurement services of indoor building environment; remote monitoring services for building facilities; development of data processing software; remote electric power meter reading services; remote access computer system monitoring services; management and maintenance services for optimal production control of electricity, heat, and gas energy; maintenance and management services for building energy consumption reduction systems including electricity, heat, and gas; forecasting and optimal management services for building energy including electricity, heat, and gas; professional consulting services relating to building energy efficiency including electricity, heat, and gas; energy management diagnostic services for electricity, heat, and gas; development of energy consumption data acquisition and optimal energy control systems for electricity, heat, and gas; management services for energy consumption data acquisition and optimal energy control systems for electricity, heat, and gas; consulting services relating to energy efficiency for electricity, heat, and gas; monitoring, control, maintenance, and management services for electric power systems; electric power load management services; management and operation services for electric power storage devices; software development services for integrated power protection and control operation systems; management services for integrated power protection and control operation systems; electric power quality management services; computer software maintenance services; development of computer programs for forecasting and optimal management of building energy including electricity, heat, and gas
43.
SWITCHBOARD HAVING COMPARTMENT-INTERLOCKING DOOR INTERLOCK DEVICE
The present invention relates to a switchboard having a compartment-interlocking door interlock device and, more specifically, to a switchboard having a compartment-interlocking door interlock device, which restricts opening of a plurality of compartment doors when a circuit of a first compartment is connected in a switchboard having a plurality of compartments. In the switchboard having the compartment interlocking type door interlock device, according to the present invention, when the circuit of the first compartment is connected by the compartment-interlocking door interlock device, the opening of the doors of all compartments is restricted.
E05C 7/06 - Fastening devices specially adapted for two wings for wings which abut when closed a fastening device for one wing being actuated or controlled by closing another wing
The present invention relates to a switchboard having a design-changeable module using an inner partition wall, the switchboard comprising: an outer enclosure; a busbar part disposed on one side of the outer enclosure; a plurality of function units vertically arranged inside the outer enclosure; a terminal unit connected to main circuit parts of the function units; and a partition wall part for separately storing the function units to separate the inner space of the outer enclosure, wherein the partition wall part is configured to be detachable so that the design of the inner partition wall module can be changed.
A bobbin assembly is disclosed. A bobbin assembly, according to one aspect of the present invention, may comprise: a winding frame extending in one direction, and on which a coil is wound; a support frame coupled to the winding frame, and supporting the winding frame at one side in the one direction; and a core member at least partially accommodated in the winding frame so as to face the coil with the winding frame interposed therebetween, wherein the winding frame may be coupled to the support frame along another direction different from the one direction, and may be supported in surface contact with the support frame at one or more points.
A tank heat dissipation assembly is disclosed. A tank heat dissipation assembly according to an aspect of the present invention includes: a tank member accommodating a transformer module therein; a heat dissipation member coupled to the tank member and configured to receive heat generated in the transformer module to discharge the heat to the outside; and a reinforcing member coupled to the heat dissipation member. The heat dissipation member includes: a first heat dissipation member coupled to the tank member to receive the heat and discharge the heat to the outside; and a second heat dissipation member arranged to be spaced apart from the first heat dissipation member and coupled to the tank member to receive the heat and discharge the heat to the outside. The reinforcing member may be coupled to each of the first heat dissipation member and the second heat dissipation member.
A UPS assembly is disclosed. The UPS assembly according to an aspect of the present invention comprises: a support frame having a length defined in one direction; a duct frame positioned on one side of the support frame in the height direction and configured to communicate with the outside and the inside of the support frame, respectively; and a busbar coupled to the support frame, exposed to the inside of the duct frame, and connected to the inside of the support frame and the outside such that power can be transferred. The duct frame comprises: a duct space formed therein and configured to communicate with the outside and the inside of the support frame, respectively; and a duct cover configured to be able to move while surrounding the duct space from the outside. If the duct space is opened by a movement of the duct cover, the bus bar may be exposed to the outside.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
A UPS assembly is disclosed. The UPS assembly according to an aspect of the present invention may comprise: a support frame configured to communicate with the outside; a UPS module contained in the support frame, connected to the outside such that power can be transferred, thereby receiving power, and configured to store the transferred power; and a duct frame coupled to the support frame and configured to communicate with the support frame and the outside, respectively. The support frame may comprise: a first battery containing space configured to communicate with the duct frame; a second battery containing space configured to communicate with the duct frame; and a cooling space positioned between the first and second battery containing spaces and configured to communicate with the first and second battery containing spaces and the duct frame, respectively. The UPS assembly may be configured such that an external cooling fluid flows into the first and second battery containing spaces, respectively, so as to cool the first and second battery, respectively, and is then discharged to the outside through the duct frame.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
A UPS assembly is disclosed. A UPS assembly according to one aspect of the present invention comprises: a support frame having a length in one direction: an input module accommodated in the support frame and electrically connected to the outside to receive power; an UPS module accommodated in the support frame, electrically connected to the input module to receive and store the power, and positioned on one side of the input module; and an output module accommodated in the support frame, electrically connected to the UPS module and the outside to receive the stored power and provide the stored power to the outside, and positioned on one side of the UPS module.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
Provided is a panel board having an anti-rotation fastening member, and more particularly, a panel board having an anti-rotation fastening member capable of improving coupling strength between a mother bus bar and a branch bus bar. The anti-rotation fastening member of the panel board may be inserted into a receiving portion of a rail groove of a mother bus bar, thereby suppressing loosening of the anti-rotation fastening member. Therefore, coupling strength between the mother bus bar and a branch bus bar may be maintained.
Provided is a panel board having an insulating plate, and more particularly, a panel board having an insulating plate with improved insulation between bus bars. In a panel board having an insulating plate according to an embodiment, inter-phase part partition walls are formed at an inter-phase part of the insulating plate at a certain gap, thereby increasing an inter-phase creepage distance between mother bus bars, resulting in improving insulation performance.
A vibration reducing unit and a transformer comprising same are disclosed. A vibration reducing unit according to one aspect of the present disclosure comprises: a sound absorbing member accommodated in a filling space formed in a housing and configured to absorb vibration or noise generated inside the housing; and a cover member coupled to the housing, wherein the filling space is formed between a plurality of reinforcing ribs provided in the housing and extending in one direction, and the cover member is coupled to the reinforcing ribs, the filling space, and the sound absorbing member accommodated in the filling space while covering same from the outside.
F16F 15/04 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means
53.
CURRENT DETECTION CIRCUIT FOR BIDIRECTIONAL INSULATED DC/DC CONVERTER
The present invention relates to a current detection circuit for an insulated DC/DC converter. A circuit for detecting the current in a bidirectional insulated DC/DC converter having a first converter and a second converter that each include a plurality of switching elements and are arranged on both sides of a coil for power conversion, may comprise: an alternating current sensor for detecting the alternating current in the coil; and a detector for determining the directionality of the present power conversion from the alternating current detected by the alternating current sensor and outputting a timing determination signal according to the confirmed directionality.
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R 19/14 - Indicating direction of currentIndicating polarity of voltage
G01R 19/22 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC
G01R 23/12 - Arrangements for measuring frequency, e.g. pulse repetition rateArrangements for measuring period of current or voltage by converting frequency into phase shift
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
The present invention relates to a distribution board having a compartment-linked interlock device and, more specifically, to a distribution board having a compartment-linked interlock device of a control transformer panel having a plurality of compartments. According to the distribution board having an interlock device, of the present invention, when a wiring circuit breaker for connecting a low-pressure part of a second compartment and a load is inserted, an insertion/withdrawal handle input hole of a first compartment is closed so that the movement of a fuse truck is prevented.
A circuit breaker is disclosed. The circuit breaker according to an aspect of the present invention includes: an outer frame forming the exterior; and a blower assembly positioned on one side in the height direction of the outer frame and configured to suction a fluid residing below, wherein the outer frame includes a blower assembly support part positioned on the one side in the height direction and supporting the blower assembly, and a terminal disposed on one side in the length direction so as to be at least partially exposed to the outside and electrically connectable to the outside, and the blower assembly may include a blower body coupled to the blower assembly support part, and a blower member positioned on one side facing the terminal, among the sides of the blowing body, to apply a conveying force to the fluid.
A circuit breaker is disclosed. The circuit breaker according to one aspect of the present invention comprises: a circuit breaker body in which a space is formed; a terminal, which is coupled to the circuit breaker body, is electrically connected to the outside, and is at least partially exposed to the outside of the circuit breaker body in one direction; and a cooling device which is coupled to the circuit breaker body so as to be adjacent to the terminal, and which receive heats generated from the terminal, wherein the cooling device includes: a cooling frame which surrounds the terminal from the outside, and in which a cooling fluid flow space is formed; and a coupling through-hole which penetrates the inside of the cooling frame in the one direction and which accommodates the terminal; and a connection member which is coupled to the cooling frame, and which communicates with each of the outside and the cooling fluid flow space so as to form an inlet flow path and an outlet flow path of the cooling fluid.
A circuit breaker is disclosed. The circuit breaker according to one aspect of the present invention may include: a circuit breaker body having a space formed therein; a terminal coupled to the circuit breaker body and electrically connected to the outside to be at least partially exposed to the outside of the circuit breaker body along one direction; and a cooling device coupled to the circuit breaker body to be adjacent to the terminal and configured to receive heat generated from the terminal, wherein the cooling device includes: a cooling frame surrounding the terminal from the outside and having a cooling fluid flow space formed therein; and a discharge opening formed through the other side except for one side facing the circuit breaker body among each side of the cooling frame to communicate the cooling fluid flow space with the outside, and forming a passage through which cooling fluid is discharged.
The present invention relates to a switchboard having a secondary circuit closing interlock device and, more specifically, to a switchboard having an interlock device for controlling the closing of a secondary circuit of a transformer panel having multiple compartments. According to a switchboard having an interlock device according to the present invention, an interlock device for interlocking a door of a transformer chamber for instruments and a switch lever of a circuit breaker for wiring is provided in a transformer panel having a fuse cart compartment and a transformer compartment for instruments, to prevent the circuit breaker for wiring from being turned on in a state where the door of the transformer chamber for instruments is opened and thus prevent the closing of a secondary circuit flowing to a load.
The present invention relates to a surge prevention device disposed between an input unit for receiving an input and a processing unit for processing the input, the device comprising: a first counter that accumulates a counting value whenever a signal having a preset specific voltage or higher is detected at the input unit; a second counter that accumulates a counting value at regular intervals when no signal below the preset specific voltage is detected at the input unit, and is reset when a signal having the preset specific voltage or higher is detected; and a control unit which controls the first counter such that the counting value of the first counter is held, when the counting value accumulated in the first counter reaches a preset first threshold value, and which activates an output unit to output an input signal to the processing unit, when a signal having a voltage higher than or equal to a preset threshold voltage is detected while the counting value of the first counter is held.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Disclosed is an air circuit breaker that has an insulation member. The air circuit breaker according to an aspect of the present invention comprises: a main body; an operating portion which is provided in the inner space of the main body and generates an arc when a mover is operated relative to a stator; a plurality of arc extinguishers which are installed above the operating portion and are arranged adjacent to each other to extinguish an arc; and insulation members which are arranged at both sides of the arc extinguishers in a second direction and, when an arc extinguishing gas generated by the arc extinguishers is discharged, the end portions of which are unfolded due to pressure so as to block the movement space of the arc extinguishing gas between an arc extinguisher and a neighboring arc extinguisher.
The present invention relates to a communication device for a switchboard and may include: lower power devices of a power system; upper systems receiving information from the lower power devices and controlling the lower power devices; and a gateway performing Ethernet communication with the plurality of upper systems, performing serial communication with the lower power devices, asynchronously or synchronously collecting event data generated in the lower power devices, and synchronously or asynchronously transmitting data according to a request type of the upper system.
H04L 12/66 - Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
A circuit breaker is disclosed. A circuit breaker according to an aspect of the present invention may comprise: an outer frame forming an outer shape and having a body accommodation space formed therein; a blowing member which is accommodated in the outer frame to be withdrawable therefrom and is configured to suction a fluid staying in the body accommodation space; and a fluid channel member accommodated in the outer frame to be withdrawable therefrom and communicating with the blowing member to receive the fluid, wherein: the outer frame includes a terminal which is disposed to be at least partially exposed to the outside and is conductively connected to the outside; the fluid channel member includes a fluid channel body positioned on the lower side of the terminal and configuring a fluid channel in which the transferred fluid moves, and a discharge hole formed through the fluid channel body to configure a passage through which the introduced fluid is discharged toward the terminal.
A generative artificial intelligence-based information providing system according to one embodiment of the present invention comprises: a rule-based database for storing product information; a vector database for storing embedding vectors of the product information; and an information providing device configured to receive a prompt including search request information, search for at least one embedding vector associated with the search request information among the embedding vectors stored in the vector database, obtain first result information corresponding to the prompt by inputting the prompt and the searched at least one embedding vector into a generative artificial intelligence model, and if second result information corresponding to the search request information exists in the product information stored in the rule-based database, provide final result information obtained on the basis of the first result information and the second result information.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
DC motors other than for vehicles; DC motors for ships or aircrafts; electric vending machines. Electric relays; electric accumulators; electricity meters; junction box; transit switches; computer workstations [hardware]. Sun lamps. Direct current (DC) motors for land vehicles. Electrical insulators.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
16 - Paper, cardboard and goods made from these materials
35 - Advertising and business services
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Rail-guided lifting conveyors for power and industrial
automation; mechanical conveyors in the field of power and
industrial automation; linear motion machines for moving
objects in the field of power and industrial automation;
electric motors for machines in the field of power and
industrial automation; servo motors other than for vehicles
in the field of power and industrial automation; planetary
gear motors in the field of power and industrial automation;
industrial robots in the field of power and industrial
automation; motion control mechanisms for robots in the
field of power and industrial automation. Thermal imaging cameras in the field of power and industrial
automation; air circuit breaker; earth leakage breakers;
digital protection relay; circuit breakers for wiring;
switchboards; transformers; electrical distribution boards;
power factor compensators; inverters [electricity];
electrical distributing busbars; electric switchgear; motor
control center; electric power distribution and control
machines; electric power converters; power compensation
apparatus; electrical equipment for the protection and
control of power systems; electric circuit closers;
electronic motors protection relays; electric contacts;
vacuum circuit breakers; electrical control systems for
railway signaling equipment; high-voltage direct current
transmission system apparatus; energy storage apparatus
comprised of batteries; accumulators, electric; solar cell
panels; power meter; apparatus and instruments for
diagnosing electrical power installations; remote measuring
controllers for water and wastewater treatment facilities;
remote control apparatus in the field of power and
industrial automation; computer network hubs in the field of
power and industrial automation; electronic control systems
for energy management systems in residential, industrial,
and commercial buildings; computer software for unmanned
payment systems; computer program for building energy
prediction and optimal management operation in the field of
power and industrial automation; computer program and
software for customers in the field of power and industrial
automation to access a site for technical support,
downloading/uploading materials, and inquiries and
responses; computer software for integrated control and
monitoring based on digital twin in the field of power and
industrial automation; computer software for distributed
control systems in the field of power and industrial
automation; computer operating system software for
production planning, order management, and data processing
and analysis in the field of power and industrial
automation; visualization software for remote automated
computer-controlled processes in the field of power and
industrial automation; computer program for asset management
of energy facilities such as power, heat, and gas in the
field of power and industrial automation; computer operating
system software for integrated power control in the field of
power and industrial automation; recorded computer software
for power control in the field of power and industrial
automation; communication computer programs for use in power
and industrial automation; digital information processing
device for HMI (human machine interface) in the field of
power and industrial automation; data protection backup
units in the field of power and industrial automation; data
collecting device in the field of power and industrial
automation; electronic control system for distributed
control systems in the field of power and industrial
automation; remote measuring controllers for factory
automation in the field of power and industrial automation;
electronic control system for power control in the field of
power and industrial automation; remote control apparatus
for power control system in the field of power and
industrial automation; programmed logic controller in the
field of power and industrial automation. Automatic guided vehicles in the field of power and
industrial automation. Signboards of paper or cardboard in the field of power and
industrial automation; business cards in the field of power
and industrial automation; note paper in the field of power
and industrial automation; plans in the field of power and
industrial automation; catalogues in the field of power and
industrial automation; posters in the field of power and
industrial automation; periodicals in the field of power and
industrial automation; brochure in the field of power and
industrial automation; pictorial magazine in the field of
power and industrial automation; manuals in the field of
power and industrial automation; envelopes for stationery
use in the field of power and industrial automation;
wrappers for stationery use in the field of power and
industrial automation. Sales agency services for computer software related to
digital twin technology in the field of power and industrial
automation; on-line advertising and marketing services in
the field of power and industrial automation; arranging of
contractual services with third parties in the field of
power and industrial automation; business intermediary
services for the establishment of smart factories in the
field of power and industrial automation; providing consumer
information relating to smart factory goods and services in
the field of power and industrial automation; commercial
intermediation services related to power trading in the
field of power and industrial automation; sales agency
services for electrical energy in the field of power and
industrial automation; retail convenience stores; wholesale
services for integrated operation computer software for
factory automation in the field of power and industrial
automation; retail services for integrated operation
computer software for factory automation in the field of
power and industrial automation. Maintenance of building energy consumption reduction system
in the field of power and industrial automation;
construction of new regeneration energy factory in the field
of power and industrial automation; repair or maintenance of
power distribution or control machines and apparatus and
providing information relating thereto in the field of power
and industrial automation; electric appliance installation
and repair in the field of power and industrial automation;
maintenance of power storage apparatus in the field of power
and industrial automation. Design services for the construction of electricity
transmission lines and substations in the field of power and
industrial automation; platform as a service (PaaS) for
providing asset management of power facilities in the field
of power and industrial automation; platform as a service
(PaaS) for providing asset management of factory automation
in the field of power and industrial automation; provision
of service-based platform related to digital twin technology
in the field of power and industrial automation; platform as
a service (PaaS) in the field of power and industrial
automation; monitoring of computer system operation by
remote access in the field of power and industrial
automation; engineering services relating to the energy
forecasting and optimization of power, heat and gas for
buildings in the field of power and industrial automation;
engineering of power plants in the field of power and
industrial automation; testing and certification services
for quality and standards of electrical goods in the field
of power and industrial automation; advisory services
relating to energy efficiency regarding power, heat, gas and
others in the field of power and industrial automation;
computer system monitoring services for quality assurance
and control of power systems in the field of power and
industrial automation; testing of electric power equipment
products in the field of power and industrial automation;
engineering services relating to comprehensive protection
power control operating system in the field of power and
industrial automation; diagnostic and analysis services
relating to power quality and power system in the field of
power and industrial automation; providing online
non-downloadable computer software in the field of power and
industrial automation; providing temporary use of
non-downloadable software in the field of power and
industrial automation; computer system monitoring services
for power load regulation in the field of power and
industrial automation; quality assessment services relating
to power facilities in the field of power and industrial
automation; safety testing of power facilities in the field
of power and industrial automation.
66.
POWER SOLID-STATE TRANSFORMER MODULE AND TRANSFORMER USING SAME
A power solid-state transformer module, according to one embodiment of the present disclosure, comprises: an AC-DC active front end (AFE) rectifier for converting inputted low-frequency high-voltage AC into DC; and a dual active bridge (DAB) converter connected to the AFE rectifier and carrying out DC-DC conversion. The AFE rectifier comprises: a three-level half-bridge for converting the DC converted in the AFE rectifier into high-frequency AC; a transformation unit for receiving the converted high-frequency AC at a primary side and transforming same into low-voltage AC at a secondary side; and a two-level full-bridge for converting the low-voltage AC into DC.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
67.
COOLING MODULE AND BATTERY DISCONNECT DEVICE COMPRISING SAME
A cooling module is disclosed. A cooling module according to an aspect of the present disclosure comprises a heat dissipation part which is coupled to an external busbar and receives heat from the busbar, and a pipe part which is coupled to the heat dissipation part and inside which a heat transfer medium that receives the heat flows, wherein the heat dissipation part may comprise: a heat dissipation body formed to extend in one direction; a pipe coupling part which extends along the one direction inside the heat dissipation body and of which each end in the one direction is formed to be open so that the pipe part is coupled by penetrating therethrough; and a busbar coupling part which is positioned adjacent to the pipe coupling part and to which the busbar is coupled.
H01M 10/667 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an electronic component, e.g. a CPU, an inverter or a capacitor
H01M 10/651 - Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/6551 - Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
H01M 50/574 - Devices or arrangements for the interruption of current
The present invention relates to a molded case circuit breaker having an arc guide part and, more specifically, to a molded case circuit breaker having an arc guide part provided at a terminal part thereof to have improved insulation performance. In a molded case circuit breaker according to each embodiment of the present invention, an arc guide part is provided on a terminal part cover coupled to a terminal part so that arc is discharged to the outside without entering the terminal part.
A smart feeding system is disclosed. A smart feeding system according to an aspect of the present invention comprises: a main frame; and a component supply portion which is coupled to the main frame, is in communication with the outside to be supplied with components, and provides the supplied components to the main frame, wherein the main frame comprises: a conveyor belt provided to be movable in one direction; partition wall portions surrounding the conveyor belt on respective sides of the conveyor belt in the width direction; and a component accommodating space surrounded by the conveyor belt and the partition wall portions, and having one side in the height direction thereof, which is in communication with the outside.
B65G 47/04 - Devices for feeding articles or materials to conveyors for feeding articles
B65G 47/28 - Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a single conveyor
B65G 47/88 - Separating or stopping elements, e.g. fingers
A circuit breaker is disclosed. The circuit breaker according to an aspect of the present invention comprises: an outer frame constituting an external shape; a moving member movably coupled to the outer frame in one direction; a rotating member rotatably coupled to the outer frame and link-fitted to the moving member so as to be rotatable by movement of the moving member; and a blowing assembly coupled to the rotating member to rotate therewith, wherein the outer frame comprises a terminal arranged to be at least partially exposed to the outside and electrically connectable to the outside, and the blowing assembly is disposed below the terminal and configured to provide a fluid for cooling toward the terminal.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
16 - Paper, cardboard and goods made from these materials
35 - Advertising and business services
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Rail-guided lifting conveyors for power and industrial
automation; mechanical conveyors in the field of power and
industrial automation; linear motion machines for moving
objects in the field of power and industrial automation;
electric motors for machines in the field of power and
industrial automation; servo motors other than for vehicles
in the field of power and industrial automation; planetary
gear motors in the field of power and industrial automation;
industrial robots in the field of power and industrial
automation; motion control mechanisms for robots in the
field of power and industrial automation. Thermal imaging cameras in the field of power and industrial
automation; air circuit breaker; earth leakage breakers;
digital protection relay; circuit breakers for wiring;
switchboards; transformers; electrical distribution boards;
power factor compensators; inverters [electricity];
electrical distributing busbars; electric switchgear; motor
control center; electric power distribution and control
machines; electric power converters; power compensation
apparatus; electrical equipment for the protection and
control of power systems; electric circuit closers;
electronic motors protection relays; electric contacts;
vacuum circuit breakers; electrical control systems for
railway signaling equipment; high-voltage direct current
transmission system apparatus; energy storage apparatus
comprised of batteries; accumulators, electric; solar cell
panels; power meter; apparatus and instruments for
diagnosing electrical power installations; remote measuring
controllers for water and wastewater treatment facilities;
remote control apparatus in the field of power and
industrial automation; computer network hubs in the field of
power and industrial automation; electronic control systems
for energy management systems in residential, industrial,
and commercial buildings; computer software for unmanned
payment systems; computer program for building energy
prediction and optimal management operation in the field of
power and industrial automation; computer program and
software for customers in the field of power and industrial
automation to access a site for technical support,
downloading/uploading materials, and inquiries and
responses; computer software for integrated control and
monitoring based on digital twin in the field of power and
industrial automation; computer software for distributed
control systems in the field of power and industrial
automation; computer operating system software for
production planning, order management, and data processing
and analysis in the field of power and industrial
automation; visualization software for remote automated
computer-controlled processes in the field of power and
industrial automation; computer program for asset management
of energy facilities such as power, heat, and gas in the
field of power and industrial automation; computer operating
system software for integrated power control in the field of
power and industrial automation; recorded computer software
for power control in the field of power and industrial
automation; communication computer programs for use in power
and industrial automation; digital information processing
device for HMI (human machine interface) in the field of
power and industrial automation; data protection backup
units in the field of power and industrial automation; data
collecting device in the field of power and industrial
automation; electronic control system for distributed
control systems in the field of power and industrial
automation; remote measuring controllers for factory
automation in the field of power and industrial automation;
electronic control system for power control in the field of
power and industrial automation; remote control apparatus
for power control system in the field of power and
industrial automation; programmed logic controller in the
field of power and industrial automation. Automatic guided vehicles in the field of power and
industrial automation. Signboards of paper or cardboard in the field of power and
industrial automation; business cards in the field of power
and industrial automation; note paper in the field of power
and industrial automation; plans in the field of power and
industrial automation; catalogues in the field of power and
industrial automation; posters in the field of power and
industrial automation; periodicals in the field of power and
industrial automation; brochure in the field of power and
industrial automation; pictorial magazine in the field of
power and industrial automation; manuals in the field of
power and industrial automation; envelopes for stationery
use in the field of power and industrial automation;
wrappers for stationery use in the field of power and
industrial automation. Sales agency services for computer software related to
digital twin technology in the field of power and industrial
automation; on-line advertising and marketing services in
the field of power and industrial automation; arranging of
contractual services with third parties in the field of
power and industrial automation; business intermediary
services for the establishment of smart factories in the
field of power and industrial automation; providing consumer
information relating to smart factory goods and services in
the field of power and industrial automation; commercial
intermediation services related to power trading in the
field of power and industrial automation; sales agency
services for electrical energy in the field of power and
industrial automation; retail convenience stores; wholesale
services for integrated operation computer software for
factory automation in the field of power and industrial
automation; retail services for integrated operation
computer software for factory automation in the field of
power and industrial automation. Maintenance of building energy consumption reduction system
in the field of power and industrial automation;
construction of new regeneration energy factory in the field
of power and industrial automation; repair or maintenance of
power distribution or control machines and apparatus and
providing information relating thereto in the field of power
and industrial automation; electric appliance installation
and repair in the field of power and industrial automation;
maintenance of power storage apparatus in the field of power
and industrial automation. Design services for the construction of electricity
transmission lines and substations in the field of power and
industrial automation; platform as a service (PaaS) for
providing asset management of power facilities in the field
of power and industrial automation; platform as a service
(PaaS) for providing asset management of factory automation
in the field of power and industrial automation; provision
of service-based platform related to digital twin technology
in the field of power and industrial automation; platform as
a service (PaaS) in the field of power and industrial
automation; monitoring of computer system operation by
remote access in the field of power and industrial
automation; engineering services relating to the energy
forecasting and optimization of power, heat and gas for
buildings in the field of power and industrial automation;
engineering of power plants in the field of power and
industrial automation; testing and certification services
for quality and standards of electrical goods in the field
of power and industrial automation; advisory services
relating to energy efficiency regarding power, heat, gas and
others in the field of power and industrial automation;
computer system monitoring services for quality assurance
and control of power systems in the field of power and
industrial automation; testing of electric power equipment
products in the field of power and industrial automation;
engineering services relating to comprehensive protection
power control operating system in the field of power and
industrial automation; diagnostic and analysis services
relating to power quality and power system in the field of
power and industrial automation; providing online
non-downloadable computer software in the field of power and
industrial automation; providing temporary use of
non-downloadable software in the field of power and
industrial automation; computer system monitoring services
for power load regulation in the field of power and
industrial automation; quality assessment services relating
to power facilities in the field of power and industrial
automation; safety testing of power facilities in the field
of power and industrial automation.
72.
INSERTION AND WITHDRAWAL DEVICE AND CONTROL METHOD THEREOF
The present invention relates to an insertion and withdrawal device for inserting or withdrawing a circuit breaker into or from a distributing board and a control method thereof and has advantages in that the insertion and withdrawal device measures a current of a power unit for moving and coupling a circuit breaker to determine an inserted and withdrawn state of the circuit breaker thereby, configures a current of the power unit measured during movement of the circuit breaker as a reference current, and determines the inserted and withdrawn state of the circuit breaker by the relative ratio of the reference current and the current current, thereby more accurately identifying the inserted and withdrawn state of the circuit breaker and more accurately controlling the insertion and withdrawal device.
Disclosed is a method for charging a battery of an electric vehicle. The method for charging a battery of an electric vehicle, according to the present invention, comprises the steps of: collecting charging request information related to charging power distribution; determining a charging schedule by reflecting the charging request information; determining whether or not first redistribution is required; if the first redistribution is required, determining a first redistribution schedule by adjusting the charging schedule; and adding points to at least one of users who have participated in the adjustment of the charging schedule.
A generative artificial intelligence-based information provision system according to an embodiment of the present invention comprises: a user database for storing a collection request item for each user; a source database for storing source information collected on the basis of the collection request item; and an information provision device for retrieving source information including a variable keyword from pieces of source information collected in the source database on the basis of a prepared prompt, inputting the prompt and the retrieved source information to a generative artificial intelligence model to acquire result information corresponding to the prompt, and transmitting the result information corresponding to the collection request item to a user terminal.
GENERATIVE ARTIFICIAL INTELLIGENCE-BASED INFORMATION PROVISION APPARATUS, INFORMATION PROVISION SYSTEM INCLUDING SAME, AND INFORMATION PROVISION METHOD
A generative artificial intelligence-based information provision system according to an embodiment of the present invention may comprise: a product database that stores product information according to a type name system; and an information provision apparatus that receives a prompt including search request information and weight information for the search request information, searches for, on the basis of the prompt, product information corresponding to the search request information from among the product information stored in the product database, acquires result information corresponding to the prompt by inputting the prompt and the found product information into a generative artificial intelligence model, and transmits the result information to a user terminal.
A generative artificial intelligence-based information provision system, according to one embodiment of the present invention, may comprise: a manual database that stores response plan information according to a state of equipment; an information provision device that receives a prompt including equipment information and equipment symptom information, collects equipment state information on the basis of the prompt so as to diagnose a state of the equipment, transmits notification information requesting re-inspection of the equipment to a user terminal if the state of the equipment is normal, searches for response plan information corresponding to equipment diagnosis information among the response plan information stored in the manual database if the state of the equipment is abnormal, inputs the prompt and the retrieved response plan information into a generative artificial intelligence model so as to obtain result information corresponding to the prompt, and transmits the result information to the user terminal.
A draw in and out apparatus is disclosed. A draw in and out apparatus according to an aspect of the present disclosure may include a first support unit detachably connected to an external distribution board; a second support unit movably coupled to the first support unit along a first axis; a third support unit movably coupled to the second support unit along a second axis; a power unit movably coupled to the third support unit along a third axis, wherein the third support unit includes a bar member extending along the third axis; and an adjustment member movably coupled to the bar member and detachably coupled to the power unit.
Disclosed is an integrated power operation method for a common facility and an electric vehicle. The integrated power operation method for a common facility and an electric vehicle, according to the present invention, comprises: a step of setting a power transaction condition; a step of predicting the power demand of common facility loads and the charging demand of electric vehicles, respectively; and a power distribution operation step of meeting the required power demand by transacting between the load power of a common facility used by a first user and the charging power of an electric vehicle used by a second user.
B60L 53/60 - Monitoring or controlling charging stations
G06Q 50/40 - Business processes related to the transportation industry
79.
GENERATIVE ARTIFICIAL INTELLIGENCE-BASED MULTILINGUAL MANUAL SYNCHRONIZATION DEVICE, SYNCHRONIZATION SYSTEM INCLUDING SAME AND SYNCHRONIZATION METHOD THEREOF
A generative artificial intelligence-based multilingual manual synchronization system according to an embodiment of the present invention may comprise: a term database for storing a reference term and a translation term of the reference term; a manual database for storing a reference manual written in a reference language and at least one translation manual written in a language different from the reference language; and a manual synchronization device for receiving a prompt including translation request information and change information of the reference manual, inputting the prompt to a generative artificial intelligence model to translate the change information into another language, and updating the translation manual on the basis of the translation content of the change information.
The present invention relates to a molded case circuit breaker and, more specifically, to a molded case circuit breaker, the base assembly of which has improved insulation performance. The molded case circuit breaker according to each embodiment of the present invention is configured as follows: two molded members which constitute the base enclosure have anti-leak portions formed to protrude downwards along the contact surface of the lower surface thereof; the case has anti-leak coupling portions formed on the bottom portion thereof as grooves such that the anti-leak portions are fitted/coupled thereto; and the anti-leak portions engage with the anti-leak coupling portions so as to prevent the base enclosure from widening.
The present invention disclosure relates to a system and a method for managing access to asset information of a smart factory. The system according to an embodiment of the present invention disclosure is a system for managing asset information and managing access to the asset information of a smart factory, the system comprising: a memory storing asset information; and a control unit for controlling an authorized user's access authority for asset information according to an asset status of the asset information, wherein the asset status is changed time-sequentially according to a life cycle of a product to be manufactured in a smart factory.
The present invention relates to a communication method between PLC devices connected to the same backplane. Communication between the PLC devices can be performed even without passing through a CPU module by sharing, through the backplane, a message including position information of the PLC devices connected to the backplane, and an external device can easily identify the states of other devices connected to the PLC devices by forming a routing path between the PLC devices through a channel opening or closing message between the PLC devices.
The present invention relates to a power fuse, and more specifically to a power fuse that is air-tight and is stably assembled. The power fuse according to an embodiment of the present invention has improved assemblability wherein it is easy to set an assembly position, since a current-carrying member is assembled by being mounted in a mounting hole of a support member.
A power conversion apparatus is disclosed. The power conversion apparatus according to one aspect of the present disclosure may include: a housing including an upper part, a lower part disposed in parallel with the upper part, a first side part connecting the upper part with the lower part, and a second side part disposed in parallel with the first side part; a plurality of transistors disposed adjacent to the first side part inside the housing; a heat sink disposed on one side of the plurality of transistors and providing a passage through which air introduced from the outside moves; and a plurality of capacitors disposed in front of the heat sink, wherein the plurality of capacitors may be disposed to be spaced apart from each other so that air introduced from the outside of the housing moves to the heat sink.
An energy storage system may comprise: a plurality of battery modules; and a rack-integrated enclosure within which the plurality of battery modules are accommodated, wherein the rack-integrated enclosure comprises an enclosure part forming the external appearance and having an inner space in which a plurality of batteries are accommodated, and a rack part formed integrally with the enclosure part, and the rack part comprises: a plurality of shelf supporters vertically arranged across the space and spaced apart from each other in the forward-and-backward direction; a plurality of shelfs arranged on the shelf supporters to be vertically spaced apart from each other; and horizontal supporters connecting the plurality of shelf supporters to each other.
H01M 50/251 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/262 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks
87.
SLOT MEMBER AND POWER ELECTRONIC DEVICE INCLUDING SAME
Disclosed are a slot member and a power electronic apparatus including the same. A slot member according to an aspect of the present disclosure may include a slot body on which a capacitor assembly is seated and which supports the capacitor assembly; a gripping portion continuously formed from one end of the slot body; and a capacitor support portion coupled to the slot body and configured to support an edge of the capacitor assembly, wherein the slot body extends in one direction and is inserted into and coupled to an external housing to be withdrawable therefrom, and the gripping portion is disposed to be exposed to the outside of the external housing.
A fluid recovery system comprises a communication unit that communicates with the outside and introduces a mixed fluid; and a fluid separation unit that communicates with the communication unit and separates the introduced mixed fluid into at least two different fluids, wherein the fluid separation unit includes a filter member that communicates with the communication unit, receives the introduced mixed fluid, and separates the received mixed fluid into the at least two different fluids; and a collecting member that communicates with the filter member and collects a part of any one fluid of the separated fluids, wherein the communication unit includes a collecting communication unit that communicates with the outside and discharges the part of the any one fluid of the separated fluids; and an exhaust communication unit that communicates with the outside and discharges the other fluids from among the separated fluids.
B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
B01D 53/00 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
89.
METHOD AND APPARATUS FOR CONFIRMING DEFECT BY USING IMAGE DATA
The present invention relates to a method and a device for confirming a defect by using image data, the method comprising: a step in which an electronic device displays a plurality of image data for a product in a first area; a step in which the electronic device enlarges one of the image data displayed in the first area and displays same as target image data in a second area; and a step in which the electronic device displays a bounding box at a location of at least one defect included in the target image data. Other embodiments are possible.
G06T 7/70 - Determining position or orientation of objects or cameras
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
The present invention relates to a draw-in/out interlock device of a circuit breaker, and more specifically to a draw-in/out interlock device of a circuit breaker, for removing the formation of a gap inside the draw-in/out interlock device, thereby enabling the stable operation of the draw-in/out interlock device. According to the circuit breaker according to one embodiment of the present invention, a connection rod is provided to an interlock rod of the draw-in/out interlock device, and thus the spacing between same and an interlock plate may be adjusted. Thus, when a gap forms between the connection rod and the interlock plate, the gap may be removed by adjusting the connection rod.
An electronic device according to an embodiment of the present invention may comprise a processor that constructs an image generation model by applying, to a base model trained to generate a defective product image, a feature model generated on the basis of a normal product inspection image and a defective product inspection image, inputs defect information in the form of at least one of text and an image to the image generation model, and obtains a defective product image including a defect corresponding to the defect information through the image generation model.
G06V 10/86 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using syntactic or structural representations of the image or video pattern, e.g. symbolic string recognitionArrangements for image or video recognition or understanding using pattern recognition or machine learning using graph matching
An insulation monitoring system according to an embodiment of the present invention comprises: an arc monitoring unit which detects a high-frequency current signal from a power line connecting a power source and a load, and monitors generation of an arc due to insulation damage of the power line on the basis of the detected high-frequency current signal; an insulation monitoring unit which calculates an insulation resistance between the power line and a ground, and monitors an insulation state of the power line on the basis of the calculated insulation resistance; a circuit breaker which breaks an electrical connection between the power line and the load according to whether a blocking signal is received; and a control unit which is connected to the arc monitoring unit and the insulation monitoring unit, receives at least one of an insulation monitoring result related to generation of the arc from the arc monitoring unit and an insulation monitoring result related to the insulation resistance from the insulation monitoring unit, and outputs the blocking signal to the circuit breaker on the basis of the received insulation monitoring result.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 19/175 - Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
A power management system, according to an embodiment of the present invention, comprises: a power device which supplies power to a power system; a circuit breaker which is connected between the power device and the power system and cuts off the connection between the power device and the power system by means of a semiconductor switch when a preset cutoff condition is met; and a management server which receives, as feedback information, information on a power capacity that the power system can accommodate, and controls the circuit breaker to adjust an on-off duty ratio of the semiconductor switch on the basis of the received feedback information, thereby controlling an amount of power supplied from the power device to the power system per unit time.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
H02H 1/00 - Details of emergency protective circuit arrangements
94.
OPTICAL FIBER CABLE SKEIN STRUCTURE FOR TEMPERATURE MONITORING, AND SERVER RACK SYSTEM COMPRISING SAME
The present disclosure provides an optical fiber cable skein structure for temperature monitoring, and a server rack system comprising same, the optical fiber cable skein structure facilitating temperature measurement for a plurality of server modules and comprising: a support unit coupled to an external frame; and a plate unit coupled to the support unit, and arranged to be adjacent to the server modules, wherein the plate unit includes, on the outer circumferential surface thereof, an inner winding member on which an optical fiber cable for sensing the temperature of the server modules is wound.
G01K 11/32 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in transmittance, scattering or luminescence in optical fibres
G01K 1/14 - SupportsFastening devicesArrangements for mounting thermometers in particular locations
The present disclosure relates to a power system comprising: a power unit for supplying power to a load in a building; an electric vehicle charging unit for receiving power from the power unit and charging an electric vehicle to be charged; and a control unit for controlling operations of the power unit and the electric vehicle charging unit by monitoring consumption of the load and charging of the electric vehicle. The power unit includes: a first supply unit receiving commercial power from a system connected to the building; and one or more second supply units installed in the building to self-supply power.
H02J 3/12 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
A semiconductor transformer according to one embodiment of the present disclosure comprises a plurality of semiconductor transformer modules for transforming power, wherein each of the semiconductor transformer modules comprises: a high-voltage unit for transforming low-frequency AC power into high-frequency AC power; a transformation unit for transforming the transformed high-frequency AC power to high-frequency low-voltage AC power; and a low-voltage unit for transforming the transformed high-frequency low-voltage AC power to low-voltage DC power, the high-voltage unit is provided inside a housing made of a conductive material, and the housing has a ground line connected to one from among circuit lines of the high-voltage unit.
H01F 27/40 - Structural association with built-in electric component, e.g. fuse
H02M 5/10 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using transformers
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H02M 7/219 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
97.
POWER SUPPLY DEVICE USING DC LINK VOLTAGE OF HIGH-VOLTAGE UNIT OF SEMICONDUCTOR TRANSFORMER
The present disclosure provides a power supply device for supplying, using a DC link voltage of a high-voltage unit of a semiconductor transformer, a control power to a transformer control unit for controlling the high-voltage unit, the power supply device comprising: a converter unit which includes a transformer unit and a switch connected in series to a primary side of the transformer unit, is connected to a DC link of the high-voltage unit, and is configured to convert the DC link voltage and output the converted DC link voltage to a transformer control unit; and a converter control unit configured to control on/off of the switch to convert the DC link voltage, wherein the converter unit comprises a first to a (n+1)th converter (wherein, n is an integer greater than or equal to 1) connected in series.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
A draw in and out apparatus and a cart apparatus transporting the same are disclosed. A draw in and out apparatus according to an aspect of the present disclosure may include a first support unit detachably coupled to an external distribution board; a second support unit movably coupled to the first support unit; a third support unit movably coupled to the second support unit; and a power unit detachably coupled to the third support unit, and configured to be coupled to or detachable from an external circuit breaker, wherein the power unit includes a key withdrawably accommodated in an insertion space provided in the circuit breaker; and a motor member coupled to the key and configured to rotate the inserted key in any one direction of the clockwise direction and counterclockwise direction.
The present specification relates to a protection relay system in which a relay device transmits data to a repeater device, the repeater device transmits the data to a terminal device, and the repeater device repeats communication between the relay device and the terminal device.
Disclosed is an air circuit breaker having an arc cover, capable of preventing a secondary accident caused by arc generation. The air circuit breaker, according to one aspect of the present disclosure, may comprise: an operation unit in which arc is generated by the operation of a movable contact with respect to a stationary contact; an extinguishing unit which is installed on the upper part of the operation unit and primarily extinguishes the arc; and an arc cover which is installed on the upper part of the extinguishing unit, has a chamber formed, enabling the retention of high-temperature gas which has passed through the extinguishing unit, and has at least one or more guide panels partitioning the inside of the chamber into a plurality of sections and having an opening on one side, thereby enabling the high-temperature gas to flow along a flow path guided by the guide panels and be discharged through an outlet in a first direction.
