GB8503451D0 - Ground fault current interrupter circuit - Google Patents

Ground fault current interrupter circuit

Info

Publication number
GB8503451D0
GB8503451D0 GB858503451A GB8503451A GB8503451D0 GB 8503451 D0 GB8503451 D0 GB 8503451D0 GB 858503451 A GB858503451 A GB 858503451A GB 8503451 A GB8503451 A GB 8503451A GB 8503451 D0 GB8503451 D0 GB 8503451D0
Authority
GB
United Kingdom
Prior art keywords
ground fault
fault current
current interrupter
interrupter circuit
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.)
Granted
Application number
GB858503451A
Other versions
GB2162708A (en
GB2162708B (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.)
Technology Research Corp
Original Assignee
Technology Research 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
Priority claimed from US06/635,434 external-priority patent/US4579601A/en
Priority claimed from US06/635,459 external-priority patent/US4598331A/en
Application filed by Technology Research Corp filed Critical Technology Research Corp
Publication of GB8503451D0 publication Critical patent/GB8503451D0/en
Publication of GB2162708A publication Critical patent/GB2162708A/en
Application granted granted Critical
Publication of GB2162708B publication Critical patent/GB2162708B/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
    • 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
    • H02H3/14—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 occurrence of voltage on parts normally at earth potential

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB08503451A 1984-07-27 1985-02-11 Ground fault current interrupter circuit with open neutral, and ground lead protection Expired GB2162708B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/635,434 US4579601A (en) 1983-07-29 1984-07-27 Method of growing a resistive epitaxial layer on a short lifetime epi-layer
US06/635,459 US4598331A (en) 1984-07-30 1984-07-30 Ground fault current interrupter circuit with open neutral and ground lead protection

Publications (3)

Publication Number Publication Date
GB8503451D0 true GB8503451D0 (en) 1985-03-13
GB2162708A GB2162708A (en) 1986-02-05
GB2162708B GB2162708B (en) 1988-12-14

Family

ID=27092378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08503451A Expired GB2162708B (en) 1984-07-27 1985-02-11 Ground fault current interrupter circuit with open neutral, and ground lead protection

Country Status (1)

Country Link
GB (1) GB2162708B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178916B (en) * 1985-06-22 1989-09-06 Ashley Accessories Ltd Detecting abnormal neutral line conditions in electrical circuits
IE880341L (en) * 1988-02-08 1989-08-08 Patrick Ward Ground fault current interrupter circuit
US4933801A (en) * 1989-04-19 1990-06-12 Square D Company Ground fault circuit interrupter
US4994933A (en) * 1989-04-19 1991-02-19 Square D Company Ground fault circuit interrupter having loss of neutral or loss of ground protection
WO1991018441A1 (en) * 1989-04-19 1991-11-28 Square D Company A power supply
US4947278A (en) * 1989-06-23 1990-08-07 Smart House Limited Partnership Limited Remote sensing power disconnect circuit
CA2093061C (en) 1992-07-22 2005-02-15 Raymond H. Legatti Leakage current protection device adapted to a wide variety of domestic and international applications
GB2366676A (en) * 2000-03-22 2002-03-13 Shakira Ltd Residual current device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108339B (en) * 1981-07-07 1985-08-07 Secr Defence Electric protective circuits
GB8332815D0 (en) * 1983-12-08 1984-01-18 Ashley Accessories Ltd Electrical accessories

Also Published As

Publication number Publication date
GB2162708A (en) 1986-02-05
GB2162708B (en) 1988-12-14

Similar Documents

Publication Publication Date Title
GB8718451D0 (en) Ground fault current interrupter circuit
JPS57194432A (en) Low voltage circuit breaker
GB8607969D0 (en) Low voltage circuit breaker
GB2161023B (en) Circuit interrupter
GB2166906B (en) Circuit breaker
DE3471196D1 (en) Electric circuit breaker
GB2172147B (en) Current limiting circuit breaker
GB8514651D0 (en) Circuit interrupter
GB8517768D0 (en) Circuit breaker
DE3665512D1 (en) Overcurrent circuit breaker
GB2166610B (en) Electric circuit breaker
GB2181599B (en) Residual current circuit breaker
GB2161022B (en) Circuit interrupter
GB8401699D0 (en) Residual current circuit breakers
EP0181103A3 (en) Circuit breaker
GB8503451D0 (en) Ground fault current interrupter circuit
EP0150920A3 (en) Circuit interrupter
GB8505712D0 (en) Circuit breaker
EP0180886A3 (en) High-speed current limiting circuit breaker
GB2212679B (en) Over current circuit breaker
GB8311809D0 (en) Fault current trip/circuit breaker
GB8531125D0 (en) Leakage current protection circuit breaker
GB9018948D0 (en) Ground fault circuit interrupter
DE3469824D1 (en) Direct current circuit breaker
DE3561431D1 (en) Three-pole electrical switchgear

Legal Events

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

Effective date: 20000211