GB9414931D0 - An earth leakage detector circuit - Google Patents

An earth leakage detector circuit

Info

Publication number
GB9414931D0
GB9414931D0 GB9414931A GB9414931A GB9414931D0 GB 9414931 D0 GB9414931 D0 GB 9414931D0 GB 9414931 A GB9414931 A GB 9414931A GB 9414931 A GB9414931 A GB 9414931A GB 9414931 D0 GB9414931 D0 GB 9414931D0
Authority
GB
United Kingdom
Prior art keywords
detector circuit
earth leakage
leakage detector
earth
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.)
Withdrawn
Application number
GB9414931A
Other versions
GB2286933A (en
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.)
CHUA GEK C
Original Assignee
CHUA GEK C
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 CHUA GEK C filed Critical CHUA GEK C
Priority to TW83107373A priority Critical patent/TW288103B/zh
Publication of GB9414931D0 publication Critical patent/GB9414931D0/en
Publication of GB2286933A publication Critical patent/GB2286933A/en
Withdrawn legal-status Critical Current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
    • H02H3/338—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 also responsive to wiring error, e.g. loss of neutral, break
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
GB9414931A 1994-02-23 1994-07-25 Earth leakage detection circuit and differential transformer Withdrawn GB2286933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW83107373A TW288103B (en) 1994-02-23 1994-08-12

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9403463A GB9403463D0 (en) 1994-02-23 1994-02-23 An electrical earth leakage circuit
PCT/SG1995/000001 WO1996026567A1 (en) 1994-02-23 1995-02-23 An earth leakage detector circuit

Publications (2)

Publication Number Publication Date
GB9414931D0 true GB9414931D0 (en) 1994-09-14
GB2286933A GB2286933A (en) 1995-08-30

Family

ID=26304382

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9403463A Pending GB9403463D0 (en) 1994-02-23 1994-02-23 An electrical earth leakage circuit
GB9414931A Withdrawn GB2286933A (en) 1994-02-23 1994-07-25 Earth leakage detection circuit and differential transformer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9403463A Pending GB9403463D0 (en) 1994-02-23 1994-02-23 An electrical earth leakage circuit

Country Status (2)

Country Link
GB (2) GB9403463D0 (en)
WO (1) WO1996026567A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6388451B1 (en) * 2000-08-16 2002-05-14 Ford Global Technologies, Inc. Leakage current cancellation device
EP2184827B1 (en) * 2007-07-24 2015-12-09 Panasonic Intellectual Property Management Co., Ltd. Charge monitoring device
RU204520U1 (en) * 2021-04-22 2021-05-28 Евгений Николаевич Коптяев LEAKAGE CURRENT SENSOR
RU206047U1 (en) * 2021-06-12 2021-08-17 Евгений Николаевич Коптяев IMPROVED LEAKAGE CURRENT SENSOR
RU206272U1 (en) * 2021-06-13 2021-09-02 Евгений Николаевич Коптяев LEAKAGE CURRENT SENSOR WITH INCREASED SENSITIVITY

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1538369B2 (en) * 1966-10-14 1975-07-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Residual current circuit breaker
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
US3996513A (en) * 1975-04-24 1976-12-07 Butler Fred C Differential microampere current sensor
FR2449992A1 (en) * 1979-02-20 1980-09-19 Osmond Max Safety circuit to prevent electrocution - has parallel resistance and few-turns coil in mains earth lead controlling mains switch via close-coupled sensing coil of control circuit
FR2454198A2 (en) * 1979-04-09 1980-11-07 Osmond Max Enhanced sensitivity earth leakage cut=out - has toroidal transformer with differential line and neutral windings
GB2108339B (en) * 1981-07-07 1985-08-07 Secr Defence Electric protective circuits
DE3402028C2 (en) * 1984-01-21 1986-04-24 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Protection circuit for a safety device to increase the protection level
EP0189493B1 (en) * 1985-01-28 1989-06-21 Heinrich Kopp GmbH & Co. KG Gfi circuit breaker in the form of a connecting plug
GB2177859B (en) * 1985-07-19 1989-07-26 Mk Electric Ltd Protection apparatus for use in a power supply circuit
GB2178915B (en) * 1985-08-05 1988-12-14 Mk Electric Ltd Power supply protection apparatus
JPH0475414A (en) * 1990-07-13 1992-03-10 Mitsubishi Electric Corp Leakage circuit breaker
GB2268011B (en) * 1992-06-18 1995-11-29 Shakira Ltd A residual current device

Also Published As

Publication number Publication date
GB2286933A (en) 1995-08-30
GB9403463D0 (en) 1994-04-13
WO1996026567A1 (en) 1996-08-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)