EP3979292A4 - DC CIRCUIT BREAKER - Google Patents

DC CIRCUIT BREAKER Download PDF

Info

Publication number: EP3979292A4
Authority: EP; European Patent Office
Prior art keywords: circuit breaker; breaker; circuit
Prior art date: 2019-05-28
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.): Granted

Application number

EP20813702.6A

Other languages

German (de)

French (fr)

Other versions

EP3979292A1 (en

EP3979292B1 (en

Inventor

Kohei MATSUMURA

Nobumoto TOYA

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.)

Mitsubishi Electric Corp

Original Assignee

Mitsubishi Electric Corp

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.)

2019-05-28

Filing date

2020-05-20

Publication date

2022-10-19

2020-05-20 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

2020-05-20 Priority to EP23151994.3A priority Critical patent/EP4187572B1/en

2022-04-06 Publication of EP3979292A1 publication Critical patent/EP3979292A1/en

2022-10-19 Publication of EP3979292A4 publication Critical patent/EP3979292A4/en

2025-02-19 Application granted granted Critical

2025-02-19 Publication of EP3979292B1 publication Critical patent/EP3979292B1/en

Status Active legal-status Critical Current

2040-05-20 Anticipated expiration legal-status Critical

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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- 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
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/341—Barrier plates carrying electrodes

EP20813702.6A 2019-05-28 2020-05-20 Direct-current circuit breaker Active EP3979292B1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP23151994.3A EP4187572B1 (en)	2019-05-28	2020-05-20	Direct-current circuit breaker

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2019099017		2019-05-28
PCT/JP2020/019864 WO2020241397A1 (en)	2019-05-28	2020-05-20	Direct-current circuit breaker

Related Child Applications (2)

Application Number	Title	Priority Date	Filing Date
EP23151994.3A Division-Into EP4187572B1 (en)	2019-05-28	2020-05-20	Direct-current circuit breaker
EP23151994.3A Division EP4187572B1 (en)	2019-05-28	2020-05-20	Direct-current circuit breaker

Publications (3)

Publication Number	Publication Date
EP3979292A1 EP3979292A1 (en)	2022-04-06
EP3979292A4 true EP3979292A4 (en)	2022-10-19
EP3979292B1 EP3979292B1 (en)	2025-02-19

Family

ID=73552206

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP23151994.3A Active EP4187572B1 (en)	2019-05-28	2020-05-20	Direct-current circuit breaker
EP20813702.6A Active EP3979292B1 (en)	2019-05-28	2020-05-20	Direct-current circuit breaker

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP23151994.3A Active EP4187572B1 (en)	2019-05-28	2020-05-20	Direct-current circuit breaker

Country Status (3)

Country	Link
EP (2)	EP4187572B1 (en)
JP (1)	JP6890732B2 (en)
WO (1)	WO2020241397A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114695011B (en) *	2020-12-30	2025-08-15	上海量乘机电科技有限公司	Contact arc extinguishing system of electric switch
CN114360979A (en) *	2021-12-17	2022-04-15	北京中车赛德铁道电气科技有限公司	Arc extinguishing grid structure
FR3131798B1 (en) *	2022-01-10	2024-08-02	Alstom Holdings	Fragmentation and arc extinguishing chimney plate and chimney comprising it
US20250104952A1 (en) *	2022-01-13	2025-03-27	Ls Electric Co., Ltd.	Arc extinguishing unit of molded case circuit breaker
KR102804378B1 (en) *	2022-05-17	2025-05-09	에이치디현대일렉트릭 주식회사	Circuit breaker
WO2025104835A1 (en)	2023-11-15	2025-05-22	三菱電機株式会社	Air circuit breaker
CN120089566B (en) *	2025-05-07	2025-10-17	比亚迪股份有限公司	Circuit breaker, driving system and control method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2020113A (en) *	1978-04-28	1979-11-07	Inst Vysokikh Temperatur Akade	Electromagnetic arc extinction apparatus for switchgear or fusegear
JPH05290682A (en) *	1992-04-10	1993-11-05	Meidensha Corp	Dc high speed circuit breaker
US20130037520A1 (en) *	2010-04-16	2013-02-14	Abb Technology Ag	Switch unit, method for assembling a switch unit, and circuit breaker for a medium voltage circuit
CN105470067A (en) *	2015-12-29	2016-04-06	浙江天正电气股份有限公司	Breaker provided with arc extinguishing mechanism with magnetic blowing and air-blowing functions
JP6516078B1 (en) *	2018-02-01	2019-05-22	三菱電機株式会社	Circuit breaker and circuit breaker method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56162579A (en) *	1980-05-19	1981-12-14	Sanyo Electric Co Ltd	Magnetic video recording and reproducing method
JPS6282616A (en)	1985-10-08	1987-04-16	寺崎電気産業株式会社	Arc extinguisher
JPS61190828A (en)	1986-02-03	1986-08-25	株式会社日立製作所	circuit break
JPS63108623A (en) *	1986-06-03	1988-05-13	三菱電機株式会社	Switch
JPS63257138A (en) *	1987-04-13	1988-10-25	三菱電機株式会社	Arc distinguisher for circuit breaker
JP4231642B2 (en) *	2001-11-29	2009-03-04	エナジーサポート株式会社	Arc extinguishing device
JP6160106B2 (en) *	2013-02-13	2017-07-12	富士電機機器制御株式会社	Circuit breaker

2020
- 2020-05-20 EP EP23151994.3A patent/EP4187572B1/en active Active
- 2020-05-20 WO PCT/JP2020/019864 patent/WO2020241397A1/en not_active Ceased
- 2020-05-20 EP EP20813702.6A patent/EP3979292B1/en active Active
- 2020-05-20 JP JP2020563576A patent/JP6890732B2/en active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2020113A (en) *	1978-04-28	1979-11-07	Inst Vysokikh Temperatur Akade	Electromagnetic arc extinction apparatus for switchgear or fusegear
JPH05290682A (en) *	1992-04-10	1993-11-05	Meidensha Corp	Dc high speed circuit breaker
US20130037520A1 (en) *	2010-04-16	2013-02-14	Abb Technology Ag	Switch unit, method for assembling a switch unit, and circuit breaker for a medium voltage circuit
CN105470067A (en) *	2015-12-29	2016-04-06	浙江天正电气股份有限公司	Breaker provided with arc extinguishing mechanism with magnetic blowing and air-blowing functions
JP6516078B1 (en) *	2018-02-01	2019-05-22	三菱電機株式会社	Circuit breaker and circuit breaker method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020241397A1 *

Also Published As

Publication number	Publication date
EP3979292A1 (en)	2022-04-06
WO2020241397A1 (en)	2020-12-03
EP3979292B1 (en)	2025-02-19
EP4187572B1 (en)	2025-09-24
EP4187572A1 (en)	2023-05-31
JPWO2020241397A1 (en)	2021-09-13
JP6890732B2 (en)	2021-06-18

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