GB2301498B - Ground fault circuit interrupter - Google Patents

Ground fault circuit interrupter

Info

Publication number
GB2301498B
GB2301498B GB9617829A GB9617829A GB2301498B GB 2301498 B GB2301498 B GB 2301498B GB 9617829 A GB9617829 A GB 9617829A GB 9617829 A GB9617829 A GB 9617829A GB 2301498 B GB2301498 B GB 2301498B
Authority
GB
United Kingdom
Prior art keywords
ground fault
circuit interrupter
fault circuit
interrupter
ground
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 - Fee Related
Application number
GB9617829A
Other versions
GB2301498A (en
GB9617829D0 (en
Inventor
Raymond H Legatti
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
Application filed by Technology Research Corp filed Critical Technology Research Corp
Priority claimed from GB9605949A external-priority patent/GB2298095B/en
Publication of GB9617829D0 publication Critical patent/GB9617829D0/en
Publication of GB2301498A publication Critical patent/GB2301498A/en
Application granted granted Critical
Publication of GB2301498B publication Critical patent/GB2301498B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H02H3/332—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 with means responsive to dc component in the fault current
    • 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)
  • Rectifiers (AREA)
GB9617829A 1992-07-22 1993-07-14 Ground fault circuit interrupter Expired - Fee Related GB2301498B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91866492A 1992-07-22 1992-07-22
GB9605949A GB2298095B (en) 1992-07-22 1993-07-14 Ground fault circuit interrupter

Publications (3)

Publication Number Publication Date
GB9617829D0 GB9617829D0 (en) 1996-10-09
GB2301498A GB2301498A (en) 1996-12-04
GB2301498B true GB2301498B (en) 1997-01-29

Family

ID=26308970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9617829A Expired - Fee Related GB2301498B (en) 1992-07-22 1993-07-14 Ground fault circuit interrupter

Country Status (1)

Country Link
GB (1) GB2301498B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ524371A (en) * 2002-03-12 2004-03-26 H Circuit breaker having a primary contact, wherein the test and activation circuits are disconnected from mains when primary contact is open
CN2585242Y (en) * 2002-05-24 2003-11-05 丰叶电器制造厂有限公司 Load overcurrent alarming device and connector overtemperature alarming device
AT506346B1 (en) * 2008-02-14 2010-01-15 Moeller Gebaeudeautomation Gmb FAULT CIRCUIT BREAKER
AT511285B1 (en) * 2011-04-01 2019-11-15 Eaton Gmbh FAULT CIRCUIT BREAKER

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244398B (en) * 1990-05-25 1994-03-16 Mk Electric Ltd Electrical protection devices
GB2268011B (en) * 1992-06-18 1995-11-29 Shakira Ltd A residual current device

Also Published As

Publication number Publication date
GB2301498A (en) 1996-12-04
GB9617829D0 (en) 1996-10-09

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Legal Events

Date Code Title Description
728V Application for restoration filed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010714

728Y Application for restoration allowed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050714