EP2980821B1 - Switchgear - Google Patents

Switchgear Download PDF

Info

Publication number
EP2980821B1
EP2980821B1 EP13879930.9A EP13879930A EP2980821B1 EP 2980821 B1 EP2980821 B1 EP 2980821B1 EP 13879930 A EP13879930 A EP 13879930A EP 2980821 B1 EP2980821 B1 EP 2980821B1
Authority
EP
European Patent Office
Prior art keywords
arc
magnetic
magnet
attraction bar
attraction
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.)
Active
Application number
EP13879930.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2980821A1 (en
EP2980821A4 (en
Inventor
Shinya Watanabe
Shota Yamane
Kentaro Kokura
Yuta Sagara
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 EP2980821A1 publication Critical patent/EP2980821A1/en
Publication of EP2980821A4 publication Critical patent/EP2980821A4/en
Application granted granted Critical
Publication of EP2980821B1 publication Critical patent/EP2980821B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • 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
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/446—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
    • 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
    • H01H9/302—Means for extinguishing or preventing arc between current-carrying parts wherein arc-extinguishing gas is evolved from stationary parts
    • 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
    • H01H9/346—Details concerning the arc formation chamber

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)
EP13879930.9A 2013-03-27 2013-12-20 Switchgear Active EP2980821B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013065676 2013-03-27
PCT/JP2013/084204 WO2014155874A1 (ja) 2013-03-27 2013-12-20 開閉装置

Publications (3)

Publication Number Publication Date
EP2980821A1 EP2980821A1 (en) 2016-02-03
EP2980821A4 EP2980821A4 (en) 2016-12-14
EP2980821B1 true EP2980821B1 (en) 2019-05-15

Family

ID=51622905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13879930.9A Active EP2980821B1 (en) 2013-03-27 2013-12-20 Switchgear

Country Status (5)

Country Link
EP (1) EP2980821B1 (ja)
JP (1) JP5992603B2 (ja)
KR (1) KR101775805B1 (ja)
CN (1) CN204189671U (ja)
WO (1) WO2014155874A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104078257B (zh) * 2013-03-27 2017-04-12 三菱电机株式会社 开闭装置
JP5940225B1 (ja) * 2014-08-18 2016-06-29 三菱電機株式会社 開閉装置
JP6011664B2 (ja) 2015-03-13 2016-10-19 オムロン株式会社 接点機構およびこれを用いたスイッチ
KR102508804B1 (ko) * 2016-04-11 2023-03-09 엘에스일렉트릭(주) 직류 차단기용 자기소호장치
FR3050311B1 (fr) 2016-04-15 2020-12-04 Schneider Electric Ind Sas Disjoncteur electrique a courant continu
JP6907801B2 (ja) * 2017-08-10 2021-07-21 オムロン株式会社 電磁継電器
JP6879173B2 (ja) * 2017-11-10 2021-06-02 三菱電機株式会社 開閉装置
EP3561837B1 (en) * 2018-04-24 2022-12-21 ABB Schweiz AG An electrical switch
EP3561831B1 (en) * 2018-04-24 2022-10-26 ABB Schweiz AG An electrical switch
FR3123143A1 (fr) 2021-05-21 2022-11-25 Socomec Module de coupure électrique équipé d’un dispositif de soufflage magnétique et appareil de coupure électrique comportant un tel module
WO2023095485A1 (ja) * 2021-11-26 2023-06-01 三菱電機株式会社 開閉器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2129216A5 (ja) * 1971-03-18 1972-10-27 Merlin Gerin
JPS5389980A (en) * 1977-01-18 1978-08-08 Hitachi Ltd Air circuit breaker
DE3044711A1 (de) * 1980-11-27 1982-07-01 Wickmann-Werke GmbH, 5810 Witten Schmelzsicherung
JPH0329849Y2 (ja) * 1985-06-10 1991-06-25
JPH0382542U (ja) * 1989-09-02 1991-08-22
JPH1140029A (ja) * 1997-07-15 1999-02-12 Daiichi Denki Kk 永久磁石付継電器
JP5202072B2 (ja) 2007-09-14 2013-06-05 富士通コンポーネント株式会社 リレー
JP2012199137A (ja) * 2011-03-22 2012-10-18 Panasonic Corp リレー装置
KR101354405B1 (ko) * 2011-06-07 2014-01-22 후지쯔 콤포넌트 가부시끼가이샤 전자계전기 및 전자계전기의 제조방법

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2980821A1 (en) 2016-02-03
WO2014155874A1 (ja) 2014-10-02
JP5992603B2 (ja) 2016-09-14
CN204189671U (zh) 2015-03-04
KR20150122747A (ko) 2015-11-02
KR101775805B1 (ko) 2017-09-06
JPWO2014155874A1 (ja) 2017-02-16
EP2980821A4 (en) 2016-12-14

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