GB8615258D0 - Detecting abnormal neutral - Google Patents

Detecting abnormal neutral

Info

Publication number
GB8615258D0
GB8615258D0 GB868615258A GB8615258A GB8615258D0 GB 8615258 D0 GB8615258 D0 GB 8615258D0 GB 868615258 A GB868615258 A GB 868615258A GB 8615258 A GB8615258 A GB 8615258A GB 8615258 D0 GB8615258 D0 GB 8615258D0
Authority
GB
United Kingdom
Prior art keywords
detecting abnormal
neutral
abnormal neutral
detecting
abnormal
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
GB868615258A
Other versions
GB2178916A (en
GB2178916B (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.)
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 GB858515865A external-priority patent/GB8515865D0/en
Application filed by Ashley Accessories Ltd filed Critical Ashley Accessories Ltd
Priority to GB8615258A priority Critical patent/GB2178916B/en
Publication of GB8615258D0 publication Critical patent/GB8615258D0/en
Publication of GB2178916A publication Critical patent/GB2178916A/en
Application granted granted Critical
Publication of GB2178916B publication Critical patent/GB2178916B/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
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/06—Arrangements for supplying operative power

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
GB8615258A 1985-06-22 1986-06-23 Detecting abnormal neutral line conditions in electrical circuits Expired GB2178916B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8615258A GB2178916B (en) 1985-06-22 1986-06-23 Detecting abnormal neutral line conditions in electrical circuits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858515865A GB8515865D0 (en) 1985-06-22 1985-06-22 Detecting abnormal neutral
GB8615258A GB2178916B (en) 1985-06-22 1986-06-23 Detecting abnormal neutral line conditions in electrical circuits

Publications (3)

Publication Number Publication Date
GB8615258D0 true GB8615258D0 (en) 1986-07-30
GB2178916A GB2178916A (en) 1987-02-18
GB2178916B GB2178916B (en) 1989-09-06

Family

ID=26289408

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8615258A Expired GB2178916B (en) 1985-06-22 1986-06-23 Detecting abnormal neutral line conditions in electrical circuits

Country Status (1)

Country Link
GB (1) GB2178916B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE880341L (en) * 1988-02-08 1989-08-08 Patrick Ward Ground fault current interrupter circuit
GB2244398B (en) * 1990-05-25 1994-03-16 Mk Electric Ltd Electrical protection devices
IE64082B1 (en) * 1991-01-17 1995-07-12 Shakira Ltd A C mains monitoring circuit
IE930319A1 (en) * 1993-04-27 1994-11-02 Shakira Ltd Circuit for detecting a faulty mains neutral
CN100470984C (en) * 1999-11-30 2009-03-18 Ge克里普萨尔中国有限公司 Residual current 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
CN104426128B (en) * 2013-09-05 2018-01-19 西门子公司 Broken neutral line detects circuit and corresponding residual current circuit breaker
CN203983940U (en) * 2014-05-04 2014-12-03 西门子公司 Earth leakage protective device
FR3059854B1 (en) * 2016-12-02 2020-02-07 Andre Pierronnet LINE CARRIER CURRENT FILTERING SYSTEM INCLUDING AUTOMATIC FAILURE DETECTION.

Family Cites Families (4)

* 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
GB8404766D0 (en) * 1984-02-23 1984-03-28 Delta Electrical Holdings Earth leakage protective circuit
GB2162003B (en) * 1984-05-05 1988-03-02 Ashley Accessories Ltd Earth leakage circuit breakers
GB2162708B (en) * 1984-07-27 1988-12-14 Technology Res Corp Ground fault current interrupter circuit with open neutral, and ground lead protection

Also Published As

Publication number Publication date
GB2178916A (en) 1987-02-18
GB2178916B (en) 1989-09-06

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Legal Events

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