JPS54298B2 - - Google Patents

Info

Publication number
JPS54298B2
JPS54298B2 JP4853075A JP4853075A JPS54298B2 JP S54298 B2 JPS54298 B2 JP S54298B2 JP 4853075 A JP4853075 A JP 4853075A JP 4853075 A JP4853075 A JP 4853075A JP S54298 B2 JPS54298 B2 JP S54298B2
Authority
JP
Japan
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
Application number
JP4853075A
Other versions
JPS5125747A (ja
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 filed Critical
Publication of JPS5125747A publication Critical patent/JPS5125747A/ja
Publication of JPS54298B2 publication Critical patent/JPS54298B2/ja
Expired 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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/17—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 fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
    • 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
    • H02H3/331—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 responsive to earthing of the neutral conductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
JP4853075A 1974-08-27 1975-04-21 Expired JPS54298B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US501192A US3895263A (en) 1974-08-27 1974-08-27 Grounded neutral detector drive circuit for two pole ground fault interrupter

Publications (2)

Publication Number Publication Date
JPS5125747A JPS5125747A (ja) 1976-03-02
JPS54298B2 true JPS54298B2 (ja) 1979-01-09

Family

ID=23992477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4853075A Expired JPS54298B2 (ja) 1974-08-27 1975-04-21

Country Status (5)

Country Link
US (1) US3895263A (ja)
JP (1) JPS54298B2 (ja)
BR (1) BR7502435A (ja)
DE (1) DE2523251C3 (ja)
GB (1) GB1500792A (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944888A (en) * 1974-10-04 1976-03-16 I-T-E Imperial Corporation Selective tripping of two-pole ground fault interrupter
US4015169A (en) * 1975-03-14 1977-03-29 Westinghouse Electric Corporation Two pole ground fault circuit interrupter with improved rectified supply and transient suppression for a trip circuit
US4054857A (en) * 1976-08-02 1977-10-18 General Electric Company Time delay disconnect switch
US4370692A (en) * 1978-10-16 1983-01-25 General Electric Company Ground fault protective system requiring reduced current-interrupting capability
US4240627A (en) * 1978-11-20 1980-12-23 Brentham Jerry D Multi-purpose exercising device
DE3402954C1 (de) * 1984-01-28 1985-10-17 Aeg-Elotherm Gmbh, 5630 Remscheid UEberstromerfassung bei einem gesteuerten Gleichrichter
US4731549A (en) * 1984-10-15 1988-03-15 Hiddleson Thomas V Current sensor and control device
GB8512133D0 (en) * 1985-05-14 1985-06-19 Dorman Smith Switchgear Ltd Residual current detector
JPS63118709A (ja) * 1986-11-07 1988-05-23 Fujitsu Ltd 偏波制御器およびその制御方法
US4797772A (en) * 1987-03-03 1989-01-10 Patton Electric Company, Inc. Immersion detector circuit interrupter
US4851950A (en) * 1987-06-09 1989-07-25 Bassani Ticino, S.P.A. Electrical apparatus for magnetothermal and differential protection
JPH0697314B2 (ja) * 1988-01-20 1994-11-30 日本電気株式会社 偏光制御方法
DE4010424A1 (de) * 1990-03-31 1991-10-02 Hilti Ag Fehlerstrom-schutzeinrichtung
IE920641A1 (en) * 1991-03-27 1992-10-07 Westinghouse Electric Corp Dual wound trip solenoid
US5786971A (en) * 1997-07-23 1998-07-28 Leviton Manufacturing Co., Inc. Ground fault protection circuit for multiple loads with separate GFCI branches and a common neutral for the GFCI electronics
US7149066B2 (en) * 2003-10-07 2006-12-12 Eaton Corporation Fault detector for two line power distribution system and protection apparatus incorporating the same
CN104201648A (zh) * 2014-09-15 2014-12-10 福建通用同溢电气有限公司 一种配电新接法及其装置
CN105024345B (zh) * 2015-07-08 2017-12-05 福建省轻安工程建设有限公司 一种施工临时用电控制装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825844A (ja) * 1970-06-08 1973-04-04

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3473091A (en) * 1967-04-14 1969-10-14 Hubbell Inc Harvey Ground leakage differential protective apparatus
US3506906A (en) * 1967-12-18 1970-04-14 Rucker Co Ground fault circuit interrupter with inadvertent ground sensor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825844A (ja) * 1970-06-08 1973-04-04

Also Published As

Publication number Publication date
US3895263A (en) 1975-07-15
DE2523251B2 (de) 1977-07-21
JPS5125747A (ja) 1976-03-02
GB1500792A (en) 1978-02-08
BR7502435A (pt) 1976-08-03
DE2523251A1 (de) 1976-03-11
DE2523251C3 (de) 1978-03-02

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