NL7902867A - Aardfoutdetector. - Google Patents

Aardfoutdetector.

Info

Publication number
NL7902867A
NL7902867A NL7902867A NL7902867A NL7902867A NL 7902867 A NL7902867 A NL 7902867A NL 7902867 A NL7902867 A NL 7902867A NL 7902867 A NL7902867 A NL 7902867A NL 7902867 A NL7902867 A NL 7902867A
Authority
NL
Netherlands
Prior art keywords
earth fault
fault detector
detector
earth
fault
Prior art date
Application number
NL7902867A
Other languages
English (en)
Other versions
NL186481C (nl
NL186481B (nl
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 NL7902867A publication Critical patent/NL7902867A/nl
Publication of NL186481B publication Critical patent/NL186481B/nl
Application granted granted Critical
Publication of NL186481C publication Critical patent/NL186481C/nl

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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electronic Switches (AREA)
  • Power Conversion In General (AREA)
NLAANVRAGE7902867,A 1978-04-11 1979-04-11 Aardlekstroomonderbreker. NL186481C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4296378A JPS54135331A (en) 1978-04-11 1978-04-11 Ground fault detector

Publications (3)

Publication Number Publication Date
NL7902867A true NL7902867A (nl) 1979-10-15
NL186481B NL186481B (nl) 1990-07-02
NL186481C NL186481C (nl) 1990-12-03

Family

ID=12650679

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7902867,A NL186481C (nl) 1978-04-11 1979-04-11 Aardlekstroomonderbreker.

Country Status (6)

Country Link
US (1) US4234900A (nl)
JP (1) JPS54135331A (nl)
DE (1) DE2914593C2 (nl)
FR (1) FR2422961A1 (nl)
GB (1) GB2019139B (nl)
NL (1) NL186481C (nl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338820A1 (de) * 1983-10-26 1985-05-15 Robert Krups Stiftung & Co KG, 5650 Solingen Elektrisches anschlussgeraet, wie steckdose, mit fehlerstromschalter fuer elektrische verbraucher
US4947126A (en) * 1989-04-04 1990-08-07 Siemens Energy & Automation, Inc. Ground fault current rectification and measuring circuit
US5105325A (en) * 1990-05-07 1992-04-14 Daniel J. Bondy Ground-safety controller
US5195009A (en) * 1991-08-27 1993-03-16 Siemens Energy & Automation, Inc. Current summing arrangement for ground fault detection
US5229725A (en) * 1992-04-07 1993-07-20 Moore Products Co. Electrical fault detector in remote systems using a saturable core
FR2713345B1 (fr) * 1993-12-03 1996-01-05 Alcatel Cable Dispositif de mesure d'énergie impulsionnelle.
US5488306A (en) * 1994-05-31 1996-01-30 International Business Machines Corp. Open and short fault detector for a differential interface
SE515388C2 (sv) * 1995-09-14 2001-07-23 Abb Research Ltd Anordning för avkänning av elektriska urladdningar i ett provobjekt
US20020075161A1 (en) * 2000-09-27 2002-06-20 Raffel Mark J. Universal remote control system
KR102096481B1 (ko) * 2019-04-16 2020-04-03 주식회사 써니아이씨 누설전류 검출용 반도체 집적회로 및 이 반도체 집적회로를 갖는 누전차단기

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA704647B (en) * 1969-08-22 1971-03-31 Hubbell Inc Harvey Ground leakage relay circuit
US3633070A (en) * 1969-12-15 1972-01-04 Louis J Vassos Ground fault current interrupter
US4216515A (en) * 1973-03-28 1980-08-05 Eaton Corporation Ground fault interrupter
US3953767A (en) * 1974-04-15 1976-04-27 Rca Corporation Ground fault detection apparatus
US4037155A (en) * 1974-04-15 1977-07-19 Rca Corporation Current-responsive threshold detection circuitry
US3953766A (en) * 1974-09-16 1976-04-27 General Electric Company Ground fault circuit interrupter and electronic module therefor
US4150411A (en) * 1977-12-15 1979-04-17 General Electric Company Ground fault circuit interrupter utilizing a single transformer

Also Published As

Publication number Publication date
GB2019139A (en) 1979-10-24
NL186481C (nl) 1990-12-03
JPS54135331A (en) 1979-10-20
DE2914593C2 (de) 1986-11-27
GB2019139B (en) 1982-07-07
FR2422961B1 (nl) 1983-10-07
FR2422961A1 (fr) 1979-11-09
US4234900A (en) 1980-11-18
NL186481B (nl) 1990-07-02
JPS5633937B2 (nl) 1981-08-06
DE2914593A1 (de) 1979-10-25

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

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