GB2377834B - Residual current device - Google Patents

Residual current device

Info

Publication number
GB2377834B
GB2377834B GB0211149A GB0211149A GB2377834B GB 2377834 B GB2377834 B GB 2377834B GB 0211149 A GB0211149 A GB 0211149A GB 0211149 A GB0211149 A GB 0211149A GB 2377834 B GB2377834 B GB 2377834B
Authority
GB
United Kingdom
Prior art keywords
current device
residual current
residual
current
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
GB0211149A
Other versions
GB2377834A (en
GB0211149D0 (en
Inventor
Patrick Ward
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.)
Shakira Ltd
Original Assignee
Shakira 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 Shakira Ltd filed Critical Shakira Ltd
Publication of GB0211149D0 publication Critical patent/GB0211149D0/en
Publication of GB2377834A publication Critical patent/GB2377834A/en
Application granted granted Critical
Publication of GB2377834B publication Critical patent/GB2377834B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • 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)
GB0211149A 2001-05-31 2002-05-15 Residual current device Expired - Fee Related GB2377834B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE20010528 2001-05-31

Publications (3)

Publication Number Publication Date
GB0211149D0 GB0211149D0 (en) 2002-06-26
GB2377834A GB2377834A (en) 2003-01-22
GB2377834B true GB2377834B (en) 2003-09-17

Family

ID=11042788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0211149A Expired - Fee Related GB2377834B (en) 2001-05-31 2002-05-15 Residual current device

Country Status (1)

Country Link
GB (1) GB2377834B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3048685B3 (en) * 2015-01-21 2020-01-08 PC Electric Ges.m.b.H. Fault-current protection device and method for switching switch contacts of the fault-current protection device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154450A1 (en) * 1984-02-23 1985-09-11 Delta Electrical (Holdings) Limited Earth leakage protective circuit
GB2224404A (en) * 1988-10-25 1990-05-02 Shakira Ltd Residual current device with missing neutral protection
US4933801A (en) * 1989-04-19 1990-06-12 Square D Company Ground fault circuit interrupter
GB2269064A (en) * 1992-07-22 1994-01-26 Technology Res Corp Ground fault circuit interrupter.
GB2311177A (en) * 1996-03-13 1997-09-17 Crabtree Electrical Ind Ltd Residual current device with missing neutral protection
GB2366676A (en) * 2000-03-22 2002-03-13 Shakira Ltd Residual current device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154450A1 (en) * 1984-02-23 1985-09-11 Delta Electrical (Holdings) Limited Earth leakage protective circuit
GB2224404A (en) * 1988-10-25 1990-05-02 Shakira Ltd Residual current device with missing neutral protection
US4933801A (en) * 1989-04-19 1990-06-12 Square D Company Ground fault circuit interrupter
GB2269064A (en) * 1992-07-22 1994-01-26 Technology Res Corp Ground fault circuit interrupter.
GB2311177A (en) * 1996-03-13 1997-09-17 Crabtree Electrical Ind Ltd Residual current device with missing neutral protection
GB2366676A (en) * 2000-03-22 2002-03-13 Shakira Ltd Residual current device

Also Published As

Publication number Publication date
GB2377834A (en) 2003-01-22
GB0211149D0 (en) 2002-06-26

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Legal Events

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

Effective date: 20120515