EP1102295A3 - Commutation type direct-current breaker - Google Patents

Commutation type direct-current breaker Download PDF

Info

Publication number
EP1102295A3
EP1102295A3 EP00123740A EP00123740A EP1102295A3 EP 1102295 A3 EP1102295 A3 EP 1102295A3 EP 00123740 A EP00123740 A EP 00123740A EP 00123740 A EP00123740 A EP 00123740A EP 1102295 A3 EP1102295 A3 EP 1102295A3
Authority
EP
European Patent Office
Prior art keywords
main switch
switch
direct
capacitor
main
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP00123740A
Other languages
German (de)
French (fr)
Other versions
EP1102295A2 (en
Inventor
Minoru Hosoda
Shigetoshi Oouchi
Tooru Yoshida
Yoshihiko Matsuda
Satoru Koga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP1102295A2 publication Critical patent/EP1102295A2/en
Publication of EP1102295A3 publication Critical patent/EP1102295A3/en
Withdrawn legal-status Critical Current

Links

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
    • 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

Landscapes

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

Abstract

A commutation type direct-current breaker (5) according to the present invention comprises a first main switch (51) and a second main switch (52) inserted in series into a direct-current circuit that connects a direct-current power supply (1) with a load (2); a commutating circuit connected in parallel with the first main switch (51) which includes a first auxiliary switch (53) operating in interlocked relation with the first main switch (51), a second auxiliary switch (54) operating in interlocked relation with the second main switch (52), a first capacitor (55), a second capacitor (56), and a reactor (57); a control unit (50) for controlling opening and closing operations of the two main switches (51,52); and an overcurrent tripping device (59). According to the above configuration, it is possible to prevent hazards caused by capacitor charging voltage by disconnecting the circuit on the load side from two capacitors having different capacitance values when the breaker is opened. Also, it is possible to reduce the number of systems to be supplied with an instruction for switch opening or closing to two.
EP00123740A 1999-11-17 2000-10-31 Commutation type direct-current breaker Withdrawn EP1102295A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32643999A JP3674419B2 (en) 1999-11-17 1999-11-17 Commutation type DC circuit breaker
JP32643999 1999-11-17

Publications (2)

Publication Number Publication Date
EP1102295A2 EP1102295A2 (en) 2001-05-23
EP1102295A3 true EP1102295A3 (en) 2003-05-14

Family

ID=18187826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00123740A Withdrawn EP1102295A3 (en) 1999-11-17 2000-10-31 Commutation type direct-current breaker

Country Status (3)

Country Link
EP (1) EP1102295A3 (en)
JP (1) JP3674419B2 (en)
CN (1) CN1297239A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4660131B2 (en) * 2004-07-15 2011-03-30 株式会社東芝 DC circuit breaker
JP4492610B2 (en) * 2006-12-28 2010-06-30 株式会社日立製作所 Circuit breaker and its switching method
WO2010060476A1 (en) * 2008-11-26 2010-06-03 Abb Technology Ag High voltage direct current circuit breaker arrangement and method
JP4923072B2 (en) 2009-02-19 2012-04-25 株式会社日立製作所 Commutation type DC circuit breaker
DE102011083514A1 (en) * 2011-09-27 2013-03-28 Siemens Aktiengesellschaft DC circuit breaker
CN103474983B (en) * 2013-08-20 2015-05-13 国家电网公司 High voltage and great current direct-current circuit breaker and control method thereof
WO2015062644A1 (en) * 2013-10-30 2015-05-07 Abb Technology Ltd Circuit breaker
JP6953885B2 (en) * 2017-08-10 2021-10-27 富士電機株式会社 Power supply and cutoff switch circuit
DE102019102858A1 (en) * 2019-02-05 2019-03-21 Peter Lell Method and device for permanent disconnection of a circuit with inductive load by time-shifted switching of two switches connected in series
CN110401174B (en) * 2019-06-11 2021-06-11 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） Main circuit topology of medium-voltage direct-current vacuum circuit breaker and breaking method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452170A (en) * 1992-02-21 1995-09-19 Hitachi, Ltd. Commutation type DC breaker
JPH07282691A (en) * 1994-04-06 1995-10-27 Hitachi Ltd Commutation type dc circuit breaker
JPH08148066A (en) * 1994-11-17 1996-06-07 Hitachi Ltd Commutating dc breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452170A (en) * 1992-02-21 1995-09-19 Hitachi, Ltd. Commutation type DC breaker
JPH07282691A (en) * 1994-04-06 1995-10-27 Hitachi Ltd Commutation type dc circuit breaker
JPH08148066A (en) * 1994-11-17 1996-06-07 Hitachi Ltd Commutating dc breaker

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 02 29 February 1996 (1996-02-29) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 10 31 October 1996 (1996-10-31) *

Also Published As

Publication number Publication date
EP1102295A2 (en) 2001-05-23
JP3674419B2 (en) 2005-07-20
CN1297239A (en) 2001-05-30
JP2001143581A (en) 2001-05-25

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