EP3998622A4 - Air circuit breaker - Google Patents

Air circuit breaker Download PDF

Info

Publication number
EP3998622A4
EP3998622A4 EP20836242.6A EP20836242A EP3998622A4 EP 3998622 A4 EP3998622 A4 EP 3998622A4 EP 20836242 A EP20836242 A EP 20836242A EP 3998622 A4 EP3998622 A4 EP 3998622A4
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
air circuit
air
breaker
circuit
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.)
Granted
Application number
EP20836242.6A
Other languages
German (de)
French (fr)
Other versions
EP3998622B1 (en
EP3998622A1 (en
Inventor
Tomohiro Nakata
Kohei MATSUMURA
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.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3998622A1 publication Critical patent/EP3998622A1/en
Publication of EP3998622A4 publication Critical patent/EP3998622A4/en
Application granted granted Critical
Publication of EP3998622B1 publication Critical patent/EP3998622B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01H9/342—Venting arrangements for arc chutes
    • 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
    • H01H33/10—Metal parts
    • 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
    • H01H33/20—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
    • 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
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
EP20836242.6A 2019-07-11 2020-05-19 Air circuit breaker Active EP3998622B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019128879 2019-07-11
PCT/JP2020/019716 WO2021005889A1 (en) 2019-07-11 2020-05-19 Air circuit breaker

Publications (3)

Publication Number Publication Date
EP3998622A1 EP3998622A1 (en) 2022-05-18
EP3998622A4 true EP3998622A4 (en) 2022-09-07
EP3998622B1 EP3998622B1 (en) 2023-09-13

Family

ID=74114176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20836242.6A Active EP3998622B1 (en) 2019-07-11 2020-05-19 Air circuit breaker

Country Status (3)

Country Link
EP (1) EP3998622B1 (en)
JP (1) JP7150178B2 (en)
WO (1) WO2021005889A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113889383B (en) * 2021-08-31 2023-09-05 浙江渤创电力科技有限公司 Circuit breaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0290424A (en) * 1988-09-26 1990-03-29 Mitsubishi Electric Corp Circuit breaker
WO2016088561A1 (en) 2014-12-01 2016-06-09 三菱電機株式会社 Dc high-speed circuit breaker
JP2017103005A (en) * 2015-11-30 2017-06-08 富士電機株式会社 Circuit breaker
JP6246448B1 (en) * 2016-04-22 2017-12-13 三菱電機株式会社 Contact device for circuit breaker and circuit breaker using the contact device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
WO2021005889A1 (en) 2021-01-14
EP3998622B1 (en) 2023-09-13
JP7150178B2 (en) 2022-10-07
EP3998622A1 (en) 2022-05-18
JPWO2021005889A1 (en) 2021-12-23

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