DISTRIBUTION BOARD WITH WIRELESS LEAKAGE AND OVERHEATING ALARM FUNCTIONS ENABLING EMERGENCY SITUATION TO BE HANDLED BY APPLYING NON-CONTACT ENERGY HARVESTING LEAKAGE CURRENT AND TEMPERATURE MONITORING TECHNOLOGY
NASAN ELECTRIC INDUSTRIES CO., LTD (République de Corée)
Inventeur(s)
Bae, Jong Hoon
An, Han Yeul
Abrégé
According to the present invention, a distribution board with wireless leakage and overheating alarm functions enabling an emergency situation to be handled by applying a non-contact energy harvesting leakage current and temperature monitoring technology comprises: a distribution board body for receiving and distributing power; an energy harvesting unit for harvesting energy required for operation by using electromotive force induced in a main energy harvesting coil from among energy harvesting coils provided in the vicinity of each of conductors to be monitored; a leakage current monitoring unit for monitoring, in a non-contact manner, a leakage current flowing in a zero-phase current transformer coil provided to encompass, in a non-contact manner, the plurality of conductors to be monitored; a wireless transmission/reception unit for receiving the value of the leakage current from the leakage current monitoring unit, and converting the received value of the leakage current into a low-power wireless signal and transmitting same to a terminal; and an emergency situation control unit for harvesting energy required for operation by using electromotive force induced in a sub energy harvesting coil, excluding the main energy harvesting coil, if an emergency situation occurs in which the energy harvesting unit cannot harvest the energy required for operation, and notifying the terminal that the emergency situation has occurred by using the energy harvested from sub energy harvesting coil. According to the present invention, a leakage current can be monitored in a non-contact manner even if a disconnection occurs in one of the conductors to be monitored.
G01R 31/52 - Test pour déceler la présence de courts-circuits, de fuites de courant ou de défauts à la terre
G01K 3/00 - Thermomètres donnant une indication autre que la valeur instantanée de la température
G01R 31/58 - Test de lignes, de câbles ou de conducteurs
H02J 9/06 - Circuits pour alimentation de puissance de secours ou de réserve, p. ex. pour éclairage de secours dans lesquels le système de distribution est déconnecté de la source normale et connecté à une source de réserve avec commutation automatique
H02J 50/00 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique
2.
ICT ALERT-TYPE HIGH-VOLTAGE DISTRIBUTION BOARD HAVING BUILT-IN ENERGY HARVESTING APPARATUS THAT SENSES LEAKAGE AND OVERHEATING
NASAN ELECTRIC INDUSTRIES CO., LTD (République de Corée)
Inventeur(s)
Bae, Jong Hoon
Moon, Sung Chun
An, Han Yeul
Kim, Seong Ryong
Abrégé
The present invention relates to an ICT alert-type high-voltage distribution board having a built-in energy harvesting device that senses leakage and overheating, the distribution board driving ZCT autonomously by comprising: a main controller outputting a control signal to an electronic device installed in a case of the distribution board; a cutoff switch unit activated in response to the control signal of the main controller; a warning device; a display; an ICT device; and an in energy harvesting device. The energy harvesting device comprises: a CT coil wound around a CT; cylindrical core; a heating coil connected to one side of the CT coil in series and wound around the cylindrical core; a heat-measuring copper wire forming a closed loop around the outside of the cylindrical core; a temperature sensor in contact with the heat-measuring copper wire to measures the heat thereof; and a control unit which receives the amount sensed by the temperature sensor, calculates and outputs the amount of heat generated on an internal line, and issues an alert for same. As such, the high-voltage distribution board measures the leakage and overheating of an internal line within the range of safety.
G01R 35/00 - Test ou étalonnage des appareils couverts par les autres groupes de la présente sous-classe
G01K 7/16 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments résistifs
NASAN ELECTRIC INDUSTRIES CO., LTD (République de Corée)
Inventeur(s)
Bae, Jong Hoon
Moon, Sung Chun
An, Han Yeul
Kim, Seong Ryong
Abrégé
The present invention relates to an ICT alert-type high-voltage distribution board having a built-in energy harvesting device that senses leakage and overheating, the high-voltage distribution board comprising a main controller, a cutoff switch unit, a warning device, a display, and an ICT device, and provided with a built-in energy harvesting device that collects and stores magnetic energy from a CT coupled to an internal line of the high-voltage distributing board. The energy harvesting device comprises: a CT coil wound around the CT; a cylindrical core; a heating coil connected to one side of the CT coil in series and wound around the cylindrical core; a heat-measuring copper wire forming a closed loop around the outside of the cylindrical core; a temperature sensor in contact with the heat-measuring copper wire to measure the heat thereof; and a control unit which receives the amount sensed by the temperature sensor, calculates and outputs the amount of heat generated on the internal line, and issues an alert for same. As such, the high voltage distribution board measures leakage and overheating of an internal line in the range of safety. Accordingly, provided by the present invention is an ICT alert-type high-voltage distribution board having a built-in energy harvesting device that senses leakage and overheating, the link to the energy harvesting device allowing self-monitoring of leakage and overheating, and the energy harvesting device being easily and safely installed in the high-voltage distribution board, not significantly affecting installation conditions and being economical to install, and allowing leakage and overheating information to be obtained for just an internal line of the high-voltage distribution board.
G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
G01R 35/00 - Test ou étalonnage des appareils couverts par les autres groupes de la présente sous-classe
H02J 50/00 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique
H02B 13/025 - Dispositions pour la sécurité, p. ex. en cas de surpression ou d'incendie causés par un défaut électrique
G01K 7/18 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments résistifs l'élément étant une résistance linéaire, p. ex. un thermomètre à résistance de platine
DISTRIBUTION BOARD WITH WIRELESS LEAKAGE AND OVERHEATING ALARM FUNCTIONS ENABLING EMERGENCY SITUATION TO BE HANDLED BY APPLYING NON-CONTACT ENERGY HARVESTING LEAKAGE CURRENT AND TEMPERATURE MONITORING TECHNOLOGY
NASAN ELECTRIC INDUSTRIES CO., LTD (République de Corée)
Inventeur(s)
Bae, Jong Hoon
An, Han Yeul
Abrégé
According to the present invention, a distribution board with wireless leakage and overheating alarm functions enabling an emergency situation to be handled by applying a non-contact energy harvesting leakage current and temperature monitoring technology comprises: a distribution board body for receiving and distributing power; an energy harvesting unit for harvesting energy required for operation by using electromotive force induced in a main energy harvesting coil from among energy harvesting coils provided in the vicinity of each of conductors to be monitored; a leakage current monitoring unit for monitoring, in a non-contact manner, a leakage current flowing in a zero-phase current transformer coil provided to encompass, in a non-contact manner, the plurality of conductors to be monitored; a wireless transmission/reception unit for receiving the value of the leakage current from the leakage current monitoring unit, and converting the received value of the leakage current into a low-power wireless signal and transmitting same to a terminal; and an emergency situation control unit for harvesting energy required for operation by using electromotive force induced in a sub energy harvesting coil, excluding the main energy harvesting coil, if an emergency situation occurs in which the energy harvesting unit cannot harvest the energy required for operation, and notifying the terminal that the emergency situation has occurred, by using the energy harvested from the sub energy harvesting coil. According to the present invention, a leakage current can be monitored in a non-contact manner even if a disconnection occurs in one of the conductors to be monitored.
H02H 7/22 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour appareillage de distribution, p. ex. système de barre omnibusCircuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour dispositifs de commutation
H02B 13/025 - Dispositions pour la sécurité, p. ex. en cas de surpression ou d'incendie causés par un défaut électrique
H02J 50/00 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique
H02J 9/06 - Circuits pour alimentation de puissance de secours ou de réserve, p. ex. pour éclairage de secours dans lesquels le système de distribution est déconnecté de la source normale et connecté à une source de réserve avec commutation automatique
G01R 31/52 - Test pour déceler la présence de courts-circuits, de fuites de courant ou de défauts à la terre
G01R 19/00 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe
5.
SYSTEM OF DESIGNING SEISMIC ISOLATION MOUNT FOR PROTECTING ELECTRICAL EQUIPMENT COMPRISING SWITCHBOARD AND CONTROL PANEL
NASAN ELECTRIC INDUSTRIES CO., LTD. (République de Corée)
Inventeur(s)
Bae, Jong Hoon
Son, Su Hyeon
Kim, Seong Yong
Moon, Sung Chun
An, Han Yeul
Bae, Kyung Jin
Abrégé
Provided is a system of designing a seismic isolation mount for protecting electrical equipment comprising switchboard and control panel from earthquakes. The system of designing a seismic isolation mount includes: a user terminal for inputting design constants for physical properties and dimensions of protection target equipment; a database for storing design constants received from the user terminal; and a seismic isolation mount design server for determining a design variable satisfying a predetermined design condition on the basis of the design constants, in which the maximum bending stress is obtained as
Provided is a system of designing a seismic isolation mount for protecting electrical equipment comprising switchboard and control panel from earthquakes. The system of designing a seismic isolation mount includes: a user terminal for inputting design constants for physical properties and dimensions of protection target equipment; a database for storing design constants received from the user terminal; and a seismic isolation mount design server for determining a design variable satisfying a predetermined design condition on the basis of the design constants, in which the maximum bending stress is obtained as
σ
b
,
max
=
σ
b
(
ω
)
|
max
≡
dM
b
,
max
I
=
d
(
F
max
L
)
I
=
d
(
kL
|
z
(
t
)
|
max
)
I
=
dmkLA
g
(
ω
)
2
ζ
I
(
1
k
eq
-
1
k
s
)
,
Provided is a system of designing a seismic isolation mount for protecting electrical equipment comprising switchboard and control panel from earthquakes. The system of designing a seismic isolation mount includes: a user terminal for inputting design constants for physical properties and dimensions of protection target equipment; a database for storing design constants received from the user terminal; and a seismic isolation mount design server for determining a design variable satisfying a predetermined design condition on the basis of the design constants, in which the maximum bending stress is obtained as
σ
b
,
max
=
σ
b
(
ω
)
|
max
≡
dM
b
,
max
I
=
d
(
F
max
L
)
I
=
d
(
kL
|
z
(
t
)
|
max
)
I
=
dmkLA
g
(
ω
)
2
ζ
I
(
1
k
eq
-
1
k
s
)
,
and a spring constant and a damping constant of the seismic isolation mount are obtained as
Provided is a system of designing a seismic isolation mount for protecting electrical equipment comprising switchboard and control panel from earthquakes. The system of designing a seismic isolation mount includes: a user terminal for inputting design constants for physical properties and dimensions of protection target equipment; a database for storing design constants received from the user terminal; and a seismic isolation mount design server for determining a design variable satisfying a predetermined design condition on the basis of the design constants, in which the maximum bending stress is obtained as
σ
b
,
max
=
σ
b
(
ω
)
|
max
≡
dM
b
,
max
I
=
d
(
F
max
L
)
I
=
d
(
kL
|
z
(
t
)
|
max
)
I
=
dmkLA
g
(
ω
)
2
ζ
I
(
1
k
eq
-
1
k
s
)
,
and a spring constant and a damping constant of the seismic isolation mount are obtained as
k
s
=
k
•k
eq
k
-
k
eq
(
N
/
m
)
if
(
k
-
k
eq
)
>
0
k
s
≃
k
eq
(
N
/
m
)
if
(
k
-
k
eq
)
≤
0
and
c
s
=
c•c
eq
c
-
c
eq
(
Ns
/
m
)
if
(
c
-
c
eq
)
>
0
c
s
≃
c
eq
(
Ns
/
m
)
if
(
c
-
c
eq
)
≤
0
,
Provided is a system of designing a seismic isolation mount for protecting electrical equipment comprising switchboard and control panel from earthquakes. The system of designing a seismic isolation mount includes: a user terminal for inputting design constants for physical properties and dimensions of protection target equipment; a database for storing design constants received from the user terminal; and a seismic isolation mount design server for determining a design variable satisfying a predetermined design condition on the basis of the design constants, in which the maximum bending stress is obtained as
σ
b
,
max
=
σ
b
(
ω
)
|
max
≡
dM
b
,
max
I
=
d
(
F
max
L
)
I
=
d
(
kL
|
z
(
t
)
|
max
)
I
=
dmkLA
g
(
ω
)
2
ζ
I
(
1
k
eq
-
1
k
s
)
,
and a spring constant and a damping constant of the seismic isolation mount are obtained as
k
s
=
k
•k
eq
k
-
k
eq
(
N
/
m
)
if
(
k
-
k
eq
)
>
0
k
s
≃
k
eq
(
N
/
m
)
if
(
k
-
k
eq
)
≤
0
and
c
s
=
c•c
eq
c
-
c
eq
(
Ns
/
m
)
if
(
c
-
c
eq
)
>
0
c
s
≃
c
eq
(
Ns
/
m
)
if
(
c
-
c
eq
)
≤
0
,
respectively. According to the present disclosure, since it is possible to determine the spring constant and the damping constant of the seismic isolation mount in consideration of the physical properties of a protection target equipment, it is possible to design a seismic isolation mount customized for the protection target equipment and can effectively protect the protection target equipment from an earthquake.
NASAN ELECTRIC INDUSTRIES CO., LTD. (République de Corée)
Inventeur(s)
Bae, Jong Hoon
Son, Su Hyeon
Kim, Seong Yong
Moon, Sung Chun
An, Han Yeul
Bae, Kyung Jin
Abrégé
ir), in which the remaining lifetime of the battery is predicted by equation
According to the present disclosure, the voltage/SOC relationship is examined clearly in terms of entropy and influence by temperature is expressed as V/SOC result, whereby it is possible to estimate the lifetime of a battery without temperature and temporal components.
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
G01R 31/3835 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge ne faisant intervenir que des mesures de tension
G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge
NASAN ELECTRIC INDUSTRIES CO., LTD (République de Corée)
Inventeur(s)
Bae, Jong Hoon
Son, Su Hyeon
Kim, Seong Ryong
Moon, Sung Chun
An, Han Yeul
Bae, Kyung Jin
Abrégé
Provided are an instrument control panel and a building automation control panel comprising a seismic mount. A seismic mount, included in the instrument control panel and building automation control panel according to the present invention, is formed to perform: an operation of constructing a vibration system model for modeling vibration in a predetermined direction of the instrument control panel and building automation control panel; an operation of deriving the equation of motion of the vibration system model and normalizing the equation of motion; and a design parameter determination operation of determining a spring constant and damping coefficient of the seismic mount minimizing the maximum bending stress and vibration transmissibility of the instrument control panel and building automation control panel in the vibration system model, wherein, in the operation of constructing the vibration system model, the vibration system model is constructed by assuming that the instrument control panel, building automation control panel and seismic mount are columns vibrating in said direction, and by means of the respective lumped mass, spring constant and damping constant of the instrument control panel, building automation control panel and seismic mount. Since the present invention enables the determination of the spring constant and damping constant of the seismic mount in accordance with the physical properties of the instrument control panel and building automation control panel, the seismic mount can be designed to be optimized for the instrument control panel and building automation control panel, and the instrument control panel and building automation control panel can be effectively protected from earthquakes.
NASAN ELECTRIC INDUSTRIES CO., LTD (République de Corée)
Inventeur(s)
Bae, Jong Hoon
Son, Su Hyeon
Kim, Seong Ryong
Moon, Sung Chun
An, Han Yeul
Bae, Kyung Jin
Abrégé
Disclosed is an ESS system for storing electric energy in a battery by using a charging or discharging characteristic of the battery. The system comprises: a power conversion unit (power conversion system (PCS)) for charging or discharging electric energy to or from the battery; a power management unit (power management system (PMS)) for monitoring and controlling state information including a voltage, a current, a temperature, and internal resistance of the power conversion unit and the battery; and a battery management unit (battery management system (BMS)) for estimating a state of charge (SOC) and a state of health (SOH) of the battery from the state information of the battery, and managing the battery on the basis of the estimated SOC and SOH, wherein the battery management unit comprises: a cell balancing unit for equalizing charging amounts of cells included therein; and a battery protection unit for predicting a residual lifetime of the battery on the basis of the estimated SOC and SOH, and preventing over-charging or over-discharging of the battery according to the predicted residual lifetime, so as to protect the battery. According to the present invention, a battery lifetime can be predicted while excluding temperature and time components, whereby energy can be stably stored.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
G01R 31/382 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
9.
BATTERY LIFE PREDICTION SYSTEM USING CHARGE/DISCHARGE CHARACTERISTICS OF BATTERY APPLIED TO BMS SYSTEM
NASAN ELECTRIC INDUSTRIES CO., LTD (République de Corée)
Inventeur(s)
Bae, Jong Hoon
Son, Su Hyeon
Kim, Seong Ryong
Moon, Sung Chun
An, Han Yeul
Bae, Kyung Jin
Abrégé
iririr). According to the present invention, the battery life can be predicted with temperature and time components excluded by clarifying the voltage/SOC relationship in terms of entropy and summarizing the effects of temperature as V/SOC results.
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p. ex. de la capacité ou de l’état de charge
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/382 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
10.
METHOD FOR DESIGNING ASEISMATIC DEVICE FOR PROTECTING ELECTRICAL EQUIPMENT, COMPRISING SWITCHBOARD AND CONTROL PANEL, FROM EARTHQUAKES
NASAN ELECTRIC INDUSTRIES CO., LTD (République de Corée)
Inventeur(s)
Bae, Jong Hoon
Son, Su Hyeon
Kim, Seong Ryong
Moon, Sung Chun
An, Han Yeul
Bae, Kyung Jin
Abrégé
Provided is a method for designing an aseismatic device for protecting electrical equipment, comprising a switchboard and a control panel, from earthquakes. The method of the present invention comprises: a step of constructing a vibration system model for modeling vibration of equipment to be protected; a step of deriving the equation of motion of the vibration system model and normalizing the equation of motion; and a design variable determining step of determining a spring constant and a damping coefficient of the aseismatic device for minimizing maximum bending stress and a vibration transmission rate of the equipment to be protected, in the vibration system model. According to the present invention, since a spring constant and a damping constant of an aseismatic device can be determined in consideration of the physical characteristics of equipment to be protected, it is possible to design an aseismatic device customized to equipment to be protected, and effectively protect the equipment to be protected from earthquakes.
NASAN ELECTRIC INDUSTRIES CO., LTD (République de Corée)
Inventeur(s)
Bae, Jong Hoon
Son, Su Hyeon
Kim, Seong Ryong
Moon, Sung Chun
An, Han Yeul
Bae, Kyung Jin
Abrégé
Provided is a system for designing an aseismatic device to protect, from earthquake, an electrical installation including a switchboard and a control panel. The system for designing an aseismatic device according to the present invention comprises: a user terminal for inputting a design constant for a physical property and dimensions of an equipment to be protected; a database for storing the design constant received from the user terminal; and an aseismatic device designing server for determining, on the basis of the design constant, a design variable satisfying a predetermined design condition. The present invention enables determining a spring constant and attenuation constant for an aseismatic device in consideration of a physical property of an equipment to be protected and thereby allows to design an aseismatic device customized for the equipment to be protected and effectively protect the equipment to be protected from earthquake.