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GB2390944B - A residual current device - Google Patents

A residual current device

Info

Publication number
GB2390944B
GB2390944B GB0216396A GB0216396A GB2390944B GB 2390944 B GB2390944 B GB 2390944B GB 0216396 A GB0216396 A GB 0216396A GB 0216396 A GB0216396 A GB 0216396A GB 2390944 B GB2390944 B GB 2390944B
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
GB0216396A
Other versions
GB2390944A (en
GB0216396D0 (en
Inventor
Pat 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
Priority to GB0216396A priority Critical patent/GB2390944B/en
Publication of GB0216396D0 publication Critical patent/GB0216396D0/en
Priority to AU2003201306A priority patent/AU2003201306B2/en
Publication of GB2390944A publication Critical patent/GB2390944A/en
Application granted granted Critical
Publication of GB2390944B publication Critical patent/GB2390944B/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
    • 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)
  • Direct Current Feeding And Distribution (AREA)
GB0216396A 2002-07-15 2002-07-15 A residual current device Expired - Fee Related GB2390944B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0216396A GB2390944B (en) 2002-07-15 2002-07-15 A residual current device
AU2003201306A AU2003201306B2 (en) 2002-07-15 2003-03-17 Residual current device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0216396A GB2390944B (en) 2002-07-15 2002-07-15 A residual current device

Publications (3)

Publication Number Publication Date
GB0216396D0 GB0216396D0 (en) 2002-08-21
GB2390944A GB2390944A (en) 2004-01-21
GB2390944B true GB2390944B (en) 2005-12-14

Family

ID=9940471

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0216396A Expired - Fee Related GB2390944B (en) 2002-07-15 2002-07-15 A residual current device

Country Status (2)

Country Link
AU (1) AU2003201306B2 (en)
GB (1) GB2390944B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105098705B (en) * 2014-04-30 2018-06-12 西门子公司 A kind of earth leakage protective device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0252693A1 (en) * 1986-07-10 1988-01-13 Delta Electrical (Holdings) Limited Earth leakage protective circuit
GB2268011A (en) * 1992-06-18 1993-12-22 Shakira Ltd Residual current device
GB2286936A (en) * 1994-02-25 1995-08-30 Shakira Ltd Residual current circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0252693A1 (en) * 1986-07-10 1988-01-13 Delta Electrical (Holdings) Limited Earth leakage protective circuit
GB2268011A (en) * 1992-06-18 1993-12-22 Shakira Ltd Residual current device
GB2286936A (en) * 1994-02-25 1995-08-30 Shakira Ltd Residual current circuit

Also Published As

Publication number Publication date
GB2390944A (en) 2004-01-21
GB0216396D0 (en) 2002-08-21
AU2003201306B2 (en) 2007-06-07
AU2003201306A1 (en) 2004-01-29

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Legal Events

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

Effective date: 20160715