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GB2162003B - Earth leakage circuit breakers - Google Patents

Earth leakage circuit breakers

Info

Publication number
GB2162003B
GB2162003B GB08511496A GB8511496A GB2162003B GB 2162003 B GB2162003 B GB 2162003B GB 08511496 A GB08511496 A GB 08511496A GB 8511496 A GB8511496 A GB 8511496A GB 2162003 B GB2162003 B GB 2162003B
Authority
GB
United Kingdom
Prior art keywords
circuit breakers
earth leakage
leakage circuit
earth
breakers
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
GB08511496A
Other versions
GB2162003A (en
GB8511496D0 (en
Inventor
Stanley William Clives
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
Priority claimed from GB848411600A external-priority patent/GB8411600D0/en
Application filed by Ashley Accessories Ltd filed Critical Ashley Accessories Ltd
Priority to GB08511496A priority Critical patent/GB2162003B/en
Publication of GB8511496D0 publication Critical patent/GB8511496D0/en
Publication of GB2162003A publication Critical patent/GB2162003A/en
Application granted granted Critical
Publication of GB2162003B publication Critical patent/GB2162003B/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
    • H02H3/14—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
    • 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)
  • Breakers (AREA)
GB08511496A 1984-05-05 1985-05-07 Earth leakage circuit breakers Expired GB2162003B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08511496A GB2162003B (en) 1984-05-05 1985-05-07 Earth leakage circuit breakers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848411600A GB8411600D0 (en) 1984-05-05 1984-05-05 Electrical neutral abnormality detection
GB08511496A GB2162003B (en) 1984-05-05 1985-05-07 Earth leakage circuit breakers

Publications (3)

Publication Number Publication Date
GB8511496D0 GB8511496D0 (en) 1985-06-12
GB2162003A GB2162003A (en) 1986-01-22
GB2162003B true GB2162003B (en) 1988-03-02

Family

ID=26287707

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08511496A Expired GB2162003B (en) 1984-05-05 1985-05-07 Earth leakage circuit breakers

Country Status (1)

Country Link
GB (1) GB2162003B (en)

Families Citing this family (2)

* 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
US7440250B2 (en) * 2005-11-30 2008-10-21 Eaton Corporation Circuit breaker including open neutral interlock

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1107879A (en) * 1964-04-17 1968-03-27 J A Crabtree Proprietary Ltd Improvements in or relating to earth leakage protection devices
GB1353411A (en) * 1971-07-23 1974-05-15 Rucker Co Ground fault protective system having grounded neutral protection
US3879639A (en) * 1973-01-04 1975-04-22 Federal Pacific Electric Co Ground fault interrupters
GB2108339B (en) * 1981-07-07 1985-08-07 Secr Defence Electric protective circuits
GB8331724D0 (en) * 1983-11-28 1984-01-04 B & R Electrical Prod Ltd Reverse polarity auto-tripping system

Also Published As

Publication number Publication date
GB2162003A (en) 1986-01-22
GB8511496D0 (en) 1985-06-12

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Legal Events

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