DE3882787D1 - Stromfuehler. - Google Patents

Stromfuehler.

Info

Publication number
DE3882787D1
DE3882787D1 DE8888106781T DE3882787T DE3882787D1 DE 3882787 D1 DE3882787 D1 DE 3882787D1 DE 8888106781 T DE8888106781 T DE 8888106781T DE 3882787 T DE3882787 T DE 3882787T DE 3882787 D1 DE3882787 D1 DE 3882787D1
Authority
DE
Germany
Prior art keywords
current probe
probe
current
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
DE8888106781T
Other languages
English (en)
Other versions
DE3882787T2 (de
Inventor
Kazuhiro Mitsubishi Denk Ishii
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
Priority claimed from JP10933187A external-priority patent/JPS63274320A/ja
Priority claimed from JP13669687A external-priority patent/JPH0682133B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE3882787D1 publication Critical patent/DE3882787D1/de
Publication of DE3882787T2 publication Critical patent/DE3882787T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • 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
    • H02H1/063—Arrangements for supplying operative power primary power being supplied by fault current
    • 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
DE88106781T 1987-04-30 1988-04-27 Stromfühler. Expired - Fee Related DE3882787T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10933187A JPS63274320A (ja) 1987-04-30 1987-04-30 回路しや断器
JP13669687A JPH0682133B2 (ja) 1987-05-29 1987-05-29 電流検出装置

Publications (2)

Publication Number Publication Date
DE3882787D1 true DE3882787D1 (de) 1993-09-09
DE3882787T2 DE3882787T2 (de) 1994-01-27

Family

ID=26449102

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88106781T Expired - Fee Related DE3882787T2 (de) 1987-04-30 1988-04-27 Stromfühler.

Country Status (4)

Country Link
US (1) US4860153A (de)
EP (1) EP0289011B1 (de)
KR (1) KR910002069B1 (de)
DE (1) DE3882787T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0218829A (ja) * 1988-07-05 1990-01-23 Mitsubishi Electric Corp 事前警報装置付遮断器
JPH0223021A (ja) * 1988-07-08 1990-01-25 Mitsubishi Electric Corp 回路しや断器
EP0370139B1 (de) * 1988-11-22 1993-09-15 Mitsubishi Denki Kabushiki Kaisha Schalter mit Ueberstromschutz
US4999730A (en) * 1989-05-10 1991-03-12 Pickard Harold W Line voltage monitor and controller
US4949214A (en) * 1989-08-28 1990-08-14 Spencer George A Trip delay override for electrical circuit breakers
AU652239B2 (en) * 1991-05-28 1994-08-18 H.P.M. Industries Pty Limited Electrical isolator
US5285143A (en) * 1991-08-06 1994-02-08 International Business Machines Corporation Measurement of load current in a multi-phase power amplifier
US6246556B1 (en) * 1995-03-13 2001-06-12 Square D Company Electrical fault detection system
JP4538349B2 (ja) * 2005-03-17 2010-09-08 富士通株式会社 電源装置および電源システム
CN101615539B (zh) * 2008-06-27 2012-08-22 上海亿盟电气自动化技术有限公司 一种脱扣器采样电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1048340B (de) * 1959-01-08
US4205361A (en) * 1978-03-21 1980-05-27 Westinghouse Electric Corp. Undervoltage control apparatus for circuit interrupter
US4279007A (en) * 1979-07-12 1981-07-14 Westinghouse Electric Corp. Single-phase fault detecting circuit breaker
US4297741A (en) * 1979-09-04 1981-10-27 General Electric Company Rate sensing instantaneous trip mode network
US4379317A (en) * 1981-04-27 1983-04-05 Westinghouse Electric Corp. Solid-state load protection system having loss of phase sensing
US4442472A (en) * 1982-03-26 1984-04-10 Siemens-Allis, Inc. Solid state trip circuit with digital timer
US4550360A (en) * 1984-05-21 1985-10-29 General Electric Company Circuit breaker static trip unit having automatic circuit trimming

Also Published As

Publication number Publication date
KR880013205A (ko) 1988-11-30
EP0289011A2 (de) 1988-11-02
US4860153A (en) 1989-08-22
DE3882787T2 (de) 1994-01-27
EP0289011B1 (de) 1993-08-04
EP0289011A3 (en) 1989-11-02
KR910002069B1 (ko) 1991-04-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee