GB2150374B - Fault detection circuitry - Google Patents

Fault detection circuitry

Info

Publication number
GB2150374B
GB2150374B GB08430852A GB8430852A GB2150374B GB 2150374 B GB2150374 B GB 2150374B GB 08430852 A GB08430852 A GB 08430852A GB 8430852 A GB8430852 A GB 8430852A GB 2150374 B GB2150374 B GB 2150374B
Authority
GB
United Kingdom
Prior art keywords
fault detection
detection circuitry
circuitry
fault
detection
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
Application number
GB08430852A
Other versions
GB8430852D0 (en
GB2150374A (en
Inventor
George Arthur Lapinski
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.)
Ashley Accessories Ltd
Original Assignee
Ashley Accessories Ltd
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 Ashley Accessories Ltd filed Critical Ashley Accessories Ltd
Publication of GB8430852D0 publication Critical patent/GB8430852D0/en
Publication of GB2150374A publication Critical patent/GB2150374A/en
Application granted granted Critical
Publication of GB2150374B publication Critical patent/GB2150374B/en
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
    • H02H3/26—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
GB08430852A 1983-12-08 1984-12-06 Fault detection circuitry Expired GB2150374B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838332815A GB8332815D0 (en) 1983-12-08 1983-12-08 Electrical accessories

Publications (3)

Publication Number Publication Date
GB8430852D0 GB8430852D0 (en) 1985-01-16
GB2150374A GB2150374A (en) 1985-06-26
GB2150374B true GB2150374B (en) 1987-08-05

Family

ID=10553030

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838332815A Pending GB8332815D0 (en) 1983-12-08 1983-12-08 Electrical accessories
GB08430852A Expired GB2150374B (en) 1983-12-08 1984-12-06 Fault detection circuitry

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838332815A Pending GB8332815D0 (en) 1983-12-08 1983-12-08 Electrical accessories

Country Status (1)

Country Link
GB (2) GB8332815D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598331A (en) * 1984-07-30 1986-07-01 Technology Research Corporation Ground fault current interrupter circuit with open neutral and ground lead protection
GB2162708B (en) * 1984-07-27 1988-12-14 Technology Res Corp Ground fault current interrupter circuit with open neutral, and ground lead protection
AT385155B (en) * 1984-08-10 1988-02-25 Schrack Elektronik Ag CIRCUIT ARRANGEMENT FOR CONTROLLING A MAINS SWITCHING DEVICE
GB2244398B (en) * 1990-05-25 1994-03-16 Mk Electric Ltd Electrical protection devices
ZA94924B (en) * 1993-07-09 1994-08-24 Circuit Breaker Ind An earth leakage unit
JP2992449B2 (en) * 1994-11-15 1999-12-20 松下電工株式会社 Circuit breaker
CN103048578A (en) 2006-11-24 2013-04-17 杰米那资产管理（6）有限公司 Power supply monitoring system
CN103187703B (en) * 2011-12-28 2016-06-22 苏州益而益电器制造有限公司 Electrical connection protection device
CN103178492A (en) * 2013-03-28 2013-06-26 余姚市嘉荣电子电器有限公司 Leakage protector with electrified earth line protection function

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB830018A (en) * 1957-03-13 1960-03-09 Michael Cornelius Gerrard Protective device for electrical circuits and apparatus
AT216609B (en) * 1960-07-07 1961-08-10 Eduard Dr Schrack Residual current circuit breaker
GB1107879A (en) * 1964-04-17 1968-03-27 J A Crabtree Proprietary Ltd Improvements in or relating to earth leakage protection devices
US4180841A (en) * 1977-11-21 1979-12-25 Westinghouse Electric Corp. Ground fault circuit interrupter with grounded neutral protection
US4268885A (en) * 1979-08-02 1981-05-19 Slater Electric Inc. GFI Sensor circuit
GB2077531B (en) * 1980-06-04 1983-06-08 Evans Jacob Donald Fault detection in n-phase system
GB2108339B (en) * 1981-07-07 1985-08-07 Secr Defence Electric protective circuits
GB2128047B (en) * 1982-10-05 1986-10-08 Northern Eng Ind Earth leakage monitor & earth proving apparatus

Also Published As

Publication number Publication date
GB8430852D0 (en) 1985-01-16
GB8332815D0 (en) 1984-01-18
GB2150374A (en) 1985-06-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921206