WO2017046885A1 - Disjoncteur - Google Patents

Disjoncteur Download PDF

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Publication number
WO2017046885A1
WO2017046885A1 PCT/JP2015/076243 JP2015076243W WO2017046885A1 WO 2017046885 A1 WO2017046885 A1 WO 2017046885A1 JP 2015076243 W JP2015076243 W JP 2015076243W WO 2017046885 A1 WO2017046885 A1 WO 2017046885A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching
contacts
opening
contact
switching contacts
Prior art date
Application number
PCT/JP2015/076243
Other languages
English (en)
Japanese (ja)
Inventor
伸郎 三好
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to KR1020177035780A priority Critical patent/KR102010167B1/ko
Priority to CN201580080942.8A priority patent/CN107710369B/zh
Priority to JP2017540387A priority patent/JP6369637B2/ja
Priority to EP15904074.0A priority patent/EP3352193B1/fr
Priority to PCT/JP2015/076243 priority patent/WO2017046885A1/fr
Publication of WO2017046885A1 publication Critical patent/WO2017046885A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for interrupting dc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices
    • H01H9/542—Contacts shunted by static switch means

Definitions

  • the present invention relates to a circuit breaker that cuts off a high-voltage DC circuit.
  • the semiconductor switch may be destroyed if a large breaking current, for example, a current exceeding 1 kA is cut off.
  • a large breaking current for example, a current exceeding 1 kA is cut off.
  • the size of the semiconductor switch is considerably larger than that of a circuit breaker.
  • An object of the present invention is to obtain a DC circuit breaker that can stably shut down from a small current of 100 A or less to an accident current exceeding 1 kA.
  • the circuit breaker of the present invention includes a first switching contact that opens and closes an electric circuit, a second switching contact that is connected in series to the first switching contact and opens and closes the electric circuit, and both ends of the second switching contact.
  • a semiconductor switch that is connected in parallel and opens and closes the electric circuit, and the semiconductor switch is closed after the first switching contact and the second switching contact are closed when turned on, and the first switching contact and the second switching contact when shutting off It is opened after the opening of the second switching contact.
  • the first switching contact for opening and closing the DC circuit the semiconductor switch connected in series with the first switching contact, and the second connected in parallel to both ends of the semiconductor switch
  • the semiconductor switch is closed after the first switching contact and the second switching contact are closed when the switch is turned on, and is opened after the first switching contact and the second switching contact are opened when the semiconductor switch is shut off. Therefore, the direct current from the small current to the accident current can be stably interrupted.
  • FIG. 5 is a cross-sectional view taken along line xx shown in FIG.
  • FIG. 5 is a cross-sectional view taken along line yy shown in FIG.
  • FIG. 8A and 8B are explanatory diagrams for explaining the operations of the first switching contact, the second switching contact, the crossbar, and the actuator shown in FIG. 7, where (a) is in an OFF state, and (b) is in the middle of the operation from OFF to ON. (C) is an ON state.
  • FIG. 1 is a circuit diagram showing a configuration of a circuit breaker according to Embodiment 1 of the present invention.
  • a circuit breaker 100 is connected to a DC circuit 200, and is connected in series to first switching contacts 1a and 1b that open and close the DC circuit 200, and to the first switching contacts 1a and 1b, respectively.
  • the second switching contacts 2a and 2b for opening and closing the electric circuit 200, the switching mechanism 3 for opening and closing the first switching contacts 1a and 1b and the second switching contacts 2a and 2b, and both ends of the second switching contacts 2a and 2b Are connected in parallel to each other, and the semiconductor switches 4a and 4b for opening and closing the DC circuit 200, and when the current flowing through the DC circuit 200 exceeds a predetermined value, the switching mechanism 3 is driven in a time limit corresponding to the value of the current.
  • Tripping devices 5a and 5b for blocking the first switching contacts 1a and 1b, and a gate drive circuit connected to the load side of the tripping device 5a and the load side of the tripping device 5b and driving the semiconductor switches 4a and 4b It is equipped with a door.
  • the second switching contacts 2a and 2b are opened and closed in conjunction with the switching operation of the first switching contacts 1a and 1b.
  • a semiconductor element 4a1 in which diodes 4a3 are connected in antiparallel and a semiconductor element 4a2 in which diodes 4a4 are connected in antiparallel are connected in series with opposite polarities.
  • the semiconductor element 4b1 having the diode 4b3 connected in antiparallel and the semiconductor element 4b2 having the diode 4b4 connected in antiparallel are connected in series with opposite polarities.
  • the semiconductor switches 4a and 4b are turned on by being driven by the gate drive circuit 6.
  • the first switching contacts 1a and 1b, the second switching contacts 2a and 2b, and the semiconductor switches 4a and 4b are turned on.
  • the on-resistance of the semiconductor switches 4a and 4b is larger than the on-resistance of the second switching contacts 2a and 2b, the current substantially flows through the second switching contacts 2a and 2b.
  • the opening / closing mechanism 3 is driven by an operation switch (not shown) or tripping devices 5a, 5b, and first, opening operation of the first opening / closing contacts 1a, 1b is started.
  • an operation switch not shown
  • tripping devices 5a, 5b tripping devices
  • the opening operation of the first switching contacts 1a and 1b further proceeds, the opening operation of the second switching contacts 2a and 2b is also started.
  • the second switching contacts 2a and 2b are separated, an arc is generated between the contacts of the second switching contacts 2a and 2b, and the voltage between the contacts of the second switching contacts 2a and 2b increases.
  • the current flowing between the first switching contacts 1a and 1b and the second switching contacts 2a and 2b is further limited, and the current flowing through the second switching contacts 2a and 2b is limited to the semiconductor switch 4a, 4b will be commutated.
  • the gate drive circuit 6 The gate drive of the semiconductor switches 4a and 4b is stopped and the semiconductor switches 4a and 4b are turned off, whereby the interruption of the DC circuit 200 is completed.
  • the delay operation in which the gate drive of the semiconductor switches 4a and 4b of the gate drive circuit 6 is stopped after the second switching contacts 2a and 2b are opened can be configured based on a signal from the switching mechanism 3. is there.
  • an arc is generated between the contacts of the first switching contacts 1a and 1b, and an arc is generated between the contacts of the second switching contacts 2a and 2b. Since the voltage between the contacts increases and the voltage applied to the gate drive circuit 6 decreases, it is possible to configure a circuit for a delay operation based on the decrease in the voltage.
  • the first switching contacts 1a and 1b are shown on the DC circuit 200 side, and the second switching contacts 2a and 2b are shown on the load 300 side.
  • 1a and 1b may be provided on the load 300 side, and the second switching contacts 2a and 2b may be provided on the DC circuit 200 side.
  • the gate drive circuit 6 is desirably provided on the load 300 side with respect to the first switching contacts 1a and 1b and the second switching contacts 2a and 2b.
  • it is provided between the first switching contacts 1a and 1b and the second switching contacts 2a and 2b, and power is supplied to the gate drive circuit 6 by either the normal connection or the reverse connection. A configuration in which is blocked is desirable.
  • the first switching contacts 1a and 1b for opening and closing the DC circuit 200 the semiconductor switches 4a and 4b connected in series with the first switching contacts 1a and 1b, and the semiconductor switch 4a. 4b, the second switching contacts 2a and 2b connected in parallel to both ends of the semiconductor switch 4a and 4b are provided.
  • the semiconductor switches 4a and 4b are turned on, the first switching contacts 1a and 1b and the second switching contacts 2a and 2b are closed. Since it is closed after the formation and is opened after the first switching contacts 1a and 1b and the second switching contacts 2a and 2b are opened, the DC current from a small current to a ground fault current can be stably blocked. Can do.
  • the switching mechanism 3 is configured to close the second switching contacts 2a and 2b earlier than the first switching contacts 1a and 1b and open the second switching contacts 2a and 2b later than the first switching contacts 1a and 1b. Since the cut-off current at the time of cut-off is sufficiently limited by the opening of the first switch contacts 1a and 1b, commutation from the second switch contacts 2a and 2b to the semiconductor switches 4a and 4b is performed. Therefore, there is no possibility of damaging the semiconductor switches 4a and 4b.
  • FIG. FIG. 2 is a circuit diagram showing the configuration of the circuit breaker according to Embodiment 2 of the present invention
  • FIG. 3 is a block diagram showing the schematic configuration of the circuit breaker according to Embodiment 2 of the present invention.
  • the circuit breaker 101 includes a pole 11 having one end connected to the positive electrode of the DC circuit 200 and the first switching contact 11a, and one end connected to the negative electrode of the DC circuit 200.
  • a pole 12 provided with a contact 12a, a pole 13 provided with one end connected to the other end of the pole 11 and a second switching contact 13a, and a second switching contact provided with the other end of the pole 12 connected to one end.
  • the open / close mechanism 3a for opening and closing the first open / close contacts 11a and 12a and the second open / close contacts 13a and 14a is connected between the other end of the pole 11 and the other end of the pole 12, and the gates of the semiconductor switches 15a and 15b.
  • Drive circuit for driving And a a circuit breaker 4-pole equipped with.
  • a load 300 is connected to the other end of the pole 13 and the other end of the pole 14.
  • a tripping device 11b is provided between the first switching contact 11a and the other end of the pole 11, and a tripping device 12b is provided between the first switching contact 12a and the other end of the pole 12, and a second switching contact 13a.
  • a tripping device 13b is provided between the other end of the pole 13 and a tripping device 14b is provided between the second switching contact 14a and the other end of the pole 14, respectively. Since the configuration of the semiconductor switches 15a and 15b is the same as the configuration of the semiconductor switches 4a and 4b described in the first embodiment, the description thereof is omitted.
  • the opening distance of the first switching contacts 11a and 12a is set larger than the opening distance of the second switching contacts 13a and 14a. Due to the difference in the opening distance, the second switching contacts 13a, 14a are closed earlier than the first switching contacts 11a, 12a when being turned on, and the second switching contacts 13a, 14a are closed when shutting off. It is opened later than the switching contacts 11a and 12a.
  • the operation of the circuit breaker 101 will be described. First, the closing operation of the circuit breaker 101 will be described.
  • the opening distance of the second switching contacts 13a, 14a is the first switching Since it is smaller than the opening distance of the contacts 11a, 12a, the closing operation of the second switching contacts 13a, 14a is completed first, and then the closing operation of the first switching contacts 11a, 12a is completed. Thereby, the current of the DC circuit 200 starts to flow through the circuit breaker 101.
  • the semiconductor switches 15a and 15b are turned on by being driven by the gate drive circuit 6a. Thereby, the first switching contacts 11a and 12a, the second switching contacts 13a and 14a, and the semiconductor switches 15a and 15b are turned on. At this time, since the ON resistance of the semiconductor switches 15a and 15b is larger than the ON resistance of the second switching contacts 13a and 14a, the current substantially flows through the second switching contacts 13a and 14a.
  • the opening / closing mechanism 3a is driven by an operation switch (not shown) or tripping devices 11b, 12b, 13b, 14b, and first, the opening operation of the first switching contacts 11a, 12a is started.
  • an arc is generated between the first switching contacts 11a and 12a, and the current flowing between the first switching contacts 11a and 12a is limited. It is.
  • the opening operation of the first switching contacts 11a and 12a further proceeds, the opening operation of the second switching contacts 13a and 14a is started, and an arc is generated between the respective contacts of the second switching contacts 13a and 14a.
  • the voltage between the second switching contacts 13a and 14a increases. Due to the voltage increase between the contacts, currents flowing through the second switching contacts 13a and 14a are commutated to the semiconductor switches 15a and 15b, respectively.
  • the gate drive circuit 6a Stops the gate drive of the semiconductor switches 15a and 15b, and the semiconductor switches 15a and 15b are turned off, whereby the interruption of the DC circuit 200 is completed.
  • the switching contacts 11a and 12a provided on the poles 11 and 12 to which the DC circuit 200 is connected at one end are used as the first switching contact in the claims, and the load 300 is connected to the other end.
  • the open / close contacts 13a and 14a provided on the poles 13 and 14 are the second open / close contacts in the claims, but the open / close contacts 11a and 12a are the second open / close contacts and the open / close contacts 13a and 14a are the second open / close contacts.
  • One switching contact may be used. In that case, the opening distance of the switching contacts 11a, 12a is set smaller than the opening distance of the switching contacts 13a, 14a.
  • the first switching contacts 11a and 12a that open and close the DC circuit 200, the semiconductor switches 15a and 14b connected in series with the first switching contacts 11a and 12a, the semiconductor switch 15a, The second switch contacts 13a and 14a connected in parallel to both ends of the switch 14b are provided.
  • the semiconductor switches 15a and 14b are turned on, the first switch contacts 11a and 12a and the second switch contacts 13a and 14a are closed. It is closed later, and at the time of interruption, it is opened after the opening of the first switching contacts 11a, 12a and the second switching contacts 13a, 14a, so that it is possible to stably cut off a direct current from a small current to a ground fault current. it can.
  • an opening / closing mechanism 3a for closing the second switching contacts 13a, 14a earlier than the first switching contacts 11a, 12a and opening the second switching contacts 13a, 14a later than the first switching contacts 11a, 12a is provided. Since the cut-off current at the time of cut-off is sufficiently limited by the opening of the first switch contacts 11a and 12a, commutation from the second switch contacts 13a and 14a to the semiconductor switches 15a and 15b is performed. Therefore, there is no possibility of damaging the semiconductor switches 15a and 15b.
  • the second switching contacts 13a, 14a By making the opening distance of the first switching contacts 11a, 12a larger than the opening distance of the second switching contacts 13a, 14a, the second switching contacts 13a, 14a earlier than the first switching contacts 11a, 12a. Is closed and the second switching contacts 13a and 14a are opened later than the first switching contacts 11a and 12a, so that the existing switching mechanism 3a can be used.
  • FIG. 4 is a circuit diagram showing the configuration of the circuit breaker according to the second embodiment of the present invention
  • FIG. 5 is a front view showing the circuit breaker according to the third embodiment of the present invention
  • FIG. 6 is a line x ⁇ shown in FIG.
  • FIG. 7 is a cross-sectional view taken along line yy shown in FIG. 4, and
  • FIG. 8 is an operation of the first switch contact, the second switch contact, the crossbar, and the actuator shown in FIG. (A) is an OFF state, (b) is a state during the operation from OFF to ON, and (c) is an ON state.
  • the circuit breaker 102 has a pole 41 having one end connected to the positive electrode of the DC circuit 200 and a first switching contact 41a, and one end connected to the negative electrode of the DC circuit 200 and a first switching contact 42a.
  • a pole 43 having one end connected to the positive electrode of the load 300 and the first switching contact 43a, and a terminal having one end connected to the negative electrode of the load 300 and the first switching contact 44a.
  • a tripping device 41b is provided between the first switching contact 41a and the other end of the pole 41, and a tripping device 42b is provided between the first switching contact 42a and the other end of the pole 42, and the first switching contact 43a.
  • a tripping device 43 b is provided between the other end of the pole 43 and a tripping device 44 b is provided between the first switching contact 44 a and the other end of the pole 44.
  • a second switching contact 46 a is connected in parallel to the semiconductor switch 45 a between the other end of the pole 41 and the other end of the pole 43, and between the other end of the pole 42 and the other end of the pole 44.
  • the second switching contact 46b is connected in parallel to the semiconductor switch 45b.
  • the configuration of the semiconductor switches 45a and 45b is the same as the configuration of the semiconductor switches 4a and 4b described in the first embodiment, and a description thereof will be omitted.
  • the circuit breaker 102 is configured by using a housing 20 including a base 20 a and a cover 20 b made of an insulating material.
  • the poles 41 to 44 are arranged in parallel with each other on the base 20a, and an opening / closing mechanism 30 having a well-known toggle link mechanism is arranged on the top of the poles 41 to 44.
  • the cover 20b covers each pole on the base 20a and the opening / closing mechanism 30, and the operation handle 31 of the opening / closing mechanism 30 projects from the window 20b1 of the cover 20b.
  • the poles are configured in the same manner, and the cross bar 32 is disposed on the base 20a so as to be orthogonal to the poles 41 to 44.
  • Each pole has a power supply side terminal 24 provided on the base 20 a, a fixed contact 21 provided on a fixed contact 27 extending from the power supply side terminal 24, and a movable contacted with and separating from the fixed contact 21.
  • the fixed contact 21 and the movable contact 22 of each pole constitute first switching contacts 41a, 42a, 43a, 44a that first open and close the electric circuit when a large current is interrupted.
  • the opening / closing mechanism 30 includes a known toggle link mechanism, and includes a known trip bar 33 driven by tripping devices 41b, 42b, 43b, and 44b.
  • the circuit breaker 102 is provided on both sides of the opening / closing mechanism 30, and is provided on both sides of the opening / closing mechanism 30, as well as the actuators 28 a and 28 b respectively driven by the rotation of the crossbar 32.
  • second open / close contacts 46a and 46b that are driven by actuators 28a and 28b to open and close the contacts.
  • the second switching contacts 46a and 46b are the contacts of the switching contacts of the second switching contacts 46a and 46b when the button 461 is pressed by the actuators 28a and 28b.
  • the movable contacts 22 constituting the first switching contacts 41a, 42a, 43a, 44a come into contact with the fixed contacts 21, respectively, as shown in FIG.
  • the voltage of the DC circuit 200 is applied to the gate drive circuit 6, and the semiconductor switches 45a and 45b are turned on after a predetermined delay time.
  • the contact resistance of the second switching contacts 46a and 46b is smaller than the ON resistance of the semiconductor switches 45a and 45b, so that the current is mainly the second switching contact. Since it flows through 46a and 46b, the heat generation of the semiconductor switches 45a and 45b is suppressed.
  • the purpose of the first switching contact may be a voltage that cannot be interrupted only by the arc-extinguishing device 50, which is a current limiting current for interrupting a large current.
  • the first switching contact is opened at the same time as the crossbar 32 starts to rotate, and the arc extinguishing device 50 is configured so that the current is kept below the rated current of the semiconductor switches 45a and 45b immediately before the maximum opening.
  • the second switching contacts 46a and 46b are opened immediately before the crossbar 32 is fully opened, and the current limited thereby is commutated to the semiconductor switches 45a and 45b.
  • the current is also limited between the first switching contacts 41a, 42a, 43a, 44a, and the voltage drop is large, whereby the supply voltage to the gate drive circuit 6 that drives the semiconductor switches 45a, 45b. Decreases.
  • the gate voltage of the semiconductor switches 45a and 45b is secured by a time delay circuit of the gate drive circuit 6 for a predetermined time (for example, 15 msec). Then, after a predetermined time has passed, the gates of the semiconductor switches 45a and 45b are turned off when the energization current becomes equal to or lower than the rated current, and the cutoff operation is completed.
  • the first switching contacts 41a, 42a, 43a, 44a that open and close the DC circuit 200, and the semiconductor switch 45a connected in series with the first switching contacts 41a, 42a, 43a, 44a. , 45b and second switching contacts 46a, 46b connected in parallel to both ends of the semiconductor switches 45a, 45b.
  • the semiconductor switches 45a, 45b are turned on, the first switching contacts 41a, 42a, 43a, 44a are provided.
  • the second switching contacts 46a, 46b are closed, and at the time of interruption, the first switching contacts 41a, 42a, 43a, 44a and the second switching contacts 46a, 46b are opened.
  • DC current from the ground fault current to the ground fault current can be stably interrupted.
  • each fixed contact 21 and each movable contact 22 that contacts and separates from this fixed contact 21 are provided for four poles, that is, four sets, so that a higher voltage than in the case of two sets is provided.
  • the DC circuit can be shut off.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Keying Circuit Devices (AREA)

Abstract

L'invention concerne un disjoncteur adapté à des courants continus haute tension, capable d'interrompre de manière stable des petits courants de 1 kA ou inférieurs à des courants de défaut à la terre tels que ceux dépassant 1 kA. Ce disjoncteur comprend : des premiers contacts de commutation pour ouvrir et fermer un trajet électrique à courant continu (200) ; des seconds contacts de commutation (2a, 2b), chacun étant connecté en série aux premiers contacts de commutation respectifs (1a, 1b), pour ouvrir et fermer le trajet électrique à courant continu (200) ; et des commutateurs à semi-conducteur (4a, 4b), chacun étant connecté en parallèle aux seconds contacts de commutation de commutation respectifs (2a, 2b) au niveau des deux extrémités de ceux-ci, pour ouvrir et fermer le trajet électrique à courant continu (200). Les commutateurs à semi-conducteurs (4a, 4b) sont fermés après que les premiers contacts de commutation (1a, 1b) et les seconds contacts de commutation (2a, 2b) ont été fermés pendant la charge, et sont ouverts après que les premiers contacts de commutation (1a, 1b) et les seconds contacts de commutation ont été ouverts à l'instant de l'arrêt.
PCT/JP2015/076243 2015-09-16 2015-09-16 Disjoncteur WO2017046885A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020177035780A KR102010167B1 (ko) 2015-09-16 2015-09-16 회로 차단기
CN201580080942.8A CN107710369B (zh) 2015-09-16 2015-09-16 电路断路器
JP2017540387A JP6369637B2 (ja) 2015-09-16 2015-09-16 回路遮断器
EP15904074.0A EP3352193B1 (fr) 2015-09-16 2015-09-16 Disjoncteur
PCT/JP2015/076243 WO2017046885A1 (fr) 2015-09-16 2015-09-16 Disjoncteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/076243 WO2017046885A1 (fr) 2015-09-16 2015-09-16 Disjoncteur

Publications (1)

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WO2017046885A1 true WO2017046885A1 (fr) 2017-03-23

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EP (1) EP3352193B1 (fr)
JP (1) JP6369637B2 (fr)
KR (1) KR102010167B1 (fr)
CN (1) CN107710369B (fr)
WO (1) WO2017046885A1 (fr)

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FR3116391B1 (fr) * 2020-11-18 2022-12-16 Hager Electro Sas Appareillage de protection à coupure électronique

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EP3352193B1 (fr) 2019-12-11
CN107710369B (zh) 2019-06-18
KR20180004812A (ko) 2018-01-12
EP3352193A4 (fr) 2018-09-26
JPWO2017046885A1 (ja) 2017-12-07
CN107710369A (zh) 2018-02-16
KR102010167B1 (ko) 2019-08-12
JP6369637B2 (ja) 2018-08-08
EP3352193A1 (fr) 2018-07-25

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