ZA911874B - Four-pole circuit breaker - Google Patents

Four-pole circuit breaker

Info

Publication number
ZA911874B
ZA911874B ZA911874A ZA911874A ZA911874B ZA 911874 B ZA911874 B ZA 911874B ZA 911874 A ZA911874 A ZA 911874A ZA 911874 A ZA911874 A ZA 911874A ZA 911874 B ZA911874 B ZA 911874B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
pole circuit
pole
breaker
circuit
Prior art date
Application number
ZA911874A
Other languages
English (en)
Inventor
Kazuhiro Ishii
Ishii Kazuhiro
Kouji Hirotsune
Hirotsune Kouji
Ichiro Arinobu
Arinobu Ichiro
Kazushi Sato
Sato Kazushi
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 ZA911874B publication Critical patent/ZA911874B/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for three-phase systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/006—Calibration or setting of parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/06—Arrangements for supplying operative power
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
    • H02H3/0935—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means the timing being determined by numerical means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
    • H02H3/105—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
ZA911874A 1990-03-16 1991-03-14 Four-pole circuit breaker ZA911874B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2064139A JPH03270631A (ja) 1990-03-16 1990-03-16 ４極回路遮断器

Publications (1)

Publication Number Publication Date
ZA911874B true ZA911874B (en) 1992-01-29

Family

ID=13249446

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA911874A ZA911874B (en) 1990-03-16 1991-03-14 Four-pole circuit breaker

Country Status (6)

Country Link
US (1) US5170309A (xx)
EP (1) EP0446951B1 (xx)
JP (1) JPH03270631A (xx)
KR (1) KR930010684B1 (xx)
DE (1) DE69113839T2 (xx)
ZA (1) ZA911874B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696289B1 (fr) * 1992-09-29 1994-12-02 Merlin Gerin Déclencheur électronique pour disjoncteur basse tension.
US5483408A (en) * 1994-03-25 1996-01-09 Eaton Corporation Overcurrent trip unit with separately adjustable neutral protection
GB0005751D0 (en) * 2000-03-11 2000-05-03 Lucas Industries Ltd A contactor and trip circuit therefor
JP3851617B2 (ja) * 2003-05-27 2006-11-29 ファナック株式会社 モータ駆動装置
CN100342468C (zh) * 2004-09-22 2007-10-10 林社振 低电弧交流接触器
DE102006004800A1 (de) * 2006-01-23 2007-08-02 Siemens Ag Schutzeinrichtung mit einem Leistungsschalter, insbesondere einem Niederspannungs-Leistungsschalter
CN101937812B (zh) * 2010-08-09 2012-11-21 陈贵 具有过流保护、寿命终止自动脱扣及警示的接地故障断路器
RU2606952C1 (ru) * 2015-07-07 2017-01-10 Николай Владиславович Данилов Способ настройки режима компенсации емкостных токов в электрических сетях
KR102085770B1 (ko) * 2016-05-20 2020-03-06 미쓰비시덴키 가부시키가이샤 차단기
CN110426624B (zh) * 2019-07-29 2021-08-17 西安西拓电气股份有限公司 断路器状态的评估方法及装置
RU209170U1 (ru) * 2021-01-12 2022-02-03 Акционерное общество "Сетевая компания" Устройство настройки дугогасящих реакторов с подмагничиванием для компенсации емкостных токов замыкания

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2366726A1 (fr) * 1976-10-01 1978-04-28 Sochata Snecma Dispositif de protection des installations electriques a neutre impedant contre un echauffement du conducteur neutre
US4589052A (en) * 1984-07-17 1986-05-13 General Electric Company Digital I2 T pickup, time bands and timing control circuits for static trip circuit breakers
US4722059A (en) * 1985-04-19 1988-01-26 Westinghouse Electric Corp. Programmed overcurrent protection control apparatus and method of operating the same
US4685024A (en) * 1985-11-19 1987-08-04 General Electric Company Overcurrent circuit interrupter using RMS sampling
EP0235479B1 (fr) * 1986-01-10 1993-08-04 Merlin Gerin Déclencheur statique à circuit de test pour disjoncteur électrique
JPS62293925A (ja) * 1986-06-10 1987-12-21 オムロン株式会社 電子式過電流リレ−
US4827369A (en) * 1987-02-20 1989-05-02 Westinghouse Electric Corp. Circuit interrupter apparatus with a selectable display means
FR2612347B1 (fr) * 1987-03-09 1989-05-26 Merlin Gerin Declencheur statique comportant un circuit de detection d'un courant homopolaire
JPH0787667B2 (ja) * 1987-04-30 1995-09-20 三菱電機株式会社 回路しや断器
EP0300078B1 (en) * 1987-07-23 1992-09-30 Mitsubishi Denki Kabushiki Kaisha Overcurrent detector and circuit breaker

Also Published As

Publication number Publication date
US5170309A (en) 1992-12-08
EP0446951B1 (en) 1995-10-18
JPH03270631A (ja) 1991-12-02
DE69113839D1 (de) 1995-11-23
DE69113839T2 (de) 1996-05-02
KR930010684B1 (ko) 1993-11-05
EP0446951A3 (en) 1992-10-21
EP0446951A2 (en) 1991-09-18

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