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FR2751784B1 - CIRCUIT BREAKER - Google Patents

CIRCUIT BREAKER

Info

Publication number
FR2751784B1
FR2751784B1 FR9709366A FR9709366A FR2751784B1 FR 2751784 B1 FR2751784 B1 FR 2751784B1 FR 9709366 A FR9709366 A FR 9709366A FR 9709366 A FR9709366 A FR 9709366A FR 2751784 B1 FR2751784 B1 FR 2751784B1
Authority
FR
France
Prior art keywords
circuit breaker
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.)
Expired - Fee Related
Application number
FR9709366A
Other languages
French (fr)
Other versions
FR2751784A1 (en
Inventor
Eietsu Sato
Yukihide Yamada
Koichi Yokoyama
Kazuya Aihara
Toshihiro Sekiguchi
Hidetaka Fujita
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 FR2751784A1 publication Critical patent/FR2751784A1/en
Application granted granted Critical
Publication of FR2751784B1 publication Critical patent/FR2751784B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H02H3/093—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
    • H02H3/006—Calibration or setting of parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0855—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load avoiding response to transient overloads, e.g. during starting
FR9709366A 1996-07-25 1997-07-23 CIRCUIT BREAKER Expired - Fee Related FR2751784B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19621296A JPH1042452A (en) 1996-07-25 1996-07-25 Circuit breaker

Publications (2)

Publication Number Publication Date
FR2751784A1 FR2751784A1 (en) 1998-01-30
FR2751784B1 true FR2751784B1 (en) 2001-02-02

Family

ID=16354076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9709366A Expired - Fee Related FR2751784B1 (en) 1996-07-25 1997-07-23 CIRCUIT BREAKER

Country Status (3)

Country Link
JP (1) JPH1042452A (en)
CN (1) CN1049074C (en)
FR (1) FR2751784B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4096668B2 (en) * 2002-09-06 2008-06-04 三菱電機株式会社 Circuit breaker
SI1614203T1 (en) 2003-04-17 2010-10-29 Enel Distribuzione Spa Electric circuit breaker
DE102006025607A1 (en) * 2006-05-24 2007-11-29 Friedrich Lütze Gmbh & Co. Kg Device for automatically switching off or switching an electrical consumer
JP5289070B2 (en) * 2009-01-19 2013-09-11 中国電力株式会社 Overcurrent relay device
KR101513210B1 (en) * 2013-11-11 2015-04-17 엘에스산전 주식회사 Over current relay
GB2570331B (en) * 2018-01-22 2020-08-12 Camlin Tech Limited Electrical power supply system for buildings and electrical load protection device for use in same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047749A1 (en) * 1980-02-23 1982-03-24 George Ellison Limited Overcurrent protection devices
US4347541A (en) * 1981-01-14 1982-08-31 Gte Laboratories Incorporated Circuit breaker
US4685024A (en) * 1985-11-19 1987-08-04 General Electric Company Overcurrent circuit interrupter using RMS sampling
US4827369A (en) * 1987-02-20 1989-05-02 Westinghouse Electric Corp. Circuit interrupter apparatus with a selectable display means

Also Published As

Publication number Publication date
CN1172374A (en) 1998-02-04
CN1049074C (en) 2000-02-02
JPH1042452A (en) 1998-02-13
FR2751784A1 (en) 1998-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070330