JPS54135331A - Ground fault detector - Google Patents

Ground fault detector

Info

Publication number
JPS54135331A
JPS54135331A JP4296378A JP4296378A JPS54135331A JP S54135331 A JPS54135331 A JP S54135331A JP 4296378 A JP4296378 A JP 4296378A JP 4296378 A JP4296378 A JP 4296378A JP S54135331 A JPS54135331 A JP S54135331A
Authority
JP
Japan
Prior art keywords
currents
circuit
thyristor
amplifier
wave
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.)
Granted
Application number
JP4296378A
Other languages
English (en)
Other versions
JPS5633937B2 (ja
Inventor
Yukio Miyazaki
Mitsugi Takeda
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
Priority to JP4296378A priority Critical patent/JPS54135331A/ja
Priority to US06/027,018 priority patent/US4234900A/en
Priority to DE2914593A priority patent/DE2914593C2/de
Priority to NLAANVRAGE7902867,A priority patent/NL186481C/xx
Priority to GB7912814A priority patent/GB2019139B/en
Priority to FR7909198A priority patent/FR2422961A1/fr
Publication of JPS54135331A publication Critical patent/JPS54135331A/ja
Publication of JPS5633937B2 publication Critical patent/JPS5633937B2/ja
Granted 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
    • H02H3/26—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)
JP4296378A 1978-04-11 1978-04-11 Ground fault detector Granted JPS54135331A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP4296378A JPS54135331A (en) 1978-04-11 1978-04-11 Ground fault detector
US06/027,018 US4234900A (en) 1978-04-11 1979-04-03 Ground fault detector
DE2914593A DE2914593C2 (de) 1978-04-11 1979-04-10 Erdschlußdetektor
NLAANVRAGE7902867,A NL186481C (nl) 1978-04-11 1979-04-11 Aardlekstroomonderbreker.
GB7912814A GB2019139B (en) 1978-04-11 1979-04-11 Ground fault detector
FR7909198A FR2422961A1 (fr) 1978-04-11 1979-04-11 Detecteur de defaut de masse

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS54135331A true JPS54135331A (en) 1979-10-20
JPS5633937B2 JPS5633937B2 (ja) 1981-08-06

Family

ID=12650679

Family Applications (1)

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

Country Status (6)

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

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
FR2422961B1 (ja) 1983-10-07
NL7902867A (nl) 1979-10-15
FR2422961A1 (fr) 1979-11-09
DE2914593A1 (de) 1979-10-25
NL186481B (nl) 1990-07-02
NL186481C (nl) 1990-12-03
US4234900A (en) 1980-11-18
GB2019139B (en) 1982-07-07
DE2914593C2 (de) 1986-11-27
JPS5633937B2 (ja) 1981-08-06

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