GB2373652B - Fault detection in electrical distribution networks - Google Patents

Fault detection in electrical distribution networks

Info

Publication number
GB2373652B
GB2373652B GB0101937A GB0101937A GB2373652B GB 2373652 B GB2373652 B GB 2373652B GB 0101937 A GB0101937 A GB 0101937A GB 0101937 A GB0101937 A GB 0101937A GB 2373652 B GB2373652 B GB 2373652B
Authority
GB
United Kingdom
Prior art keywords
fault detection
electrical distribution
distribution networks
networks
electrical
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
GB0101937A
Other versions
GB2373652A (en
GB0101937D0 (en
Inventor
Ernie Woollard
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.)
POWER ISOLATORS Ltd
Original Assignee
POWER ISOLATORS 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 POWER ISOLATORS Ltd filed Critical POWER ISOLATORS Ltd
Priority to GB0101937A priority Critical patent/GB2373652B/en
Publication of GB0101937D0 publication Critical patent/GB0101937D0/en
Publication of GB2373652A publication Critical patent/GB2373652A/en
Application granted granted Critical
Publication of GB2373652B publication Critical patent/GB2373652B/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
    • H02H3/34—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 of a three-phase system
    • H02H3/353—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 of a three-phase system involving comparison of phase voltages
GB0101937A 2001-01-25 2001-01-25 Fault detection in electrical distribution networks Expired - Fee Related GB2373652B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0101937A GB2373652B (en) 2001-01-25 2001-01-25 Fault detection in electrical distribution networks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0101937A GB2373652B (en) 2001-01-25 2001-01-25 Fault detection in electrical distribution networks

Publications (3)

Publication Number Publication Date
GB0101937D0 GB0101937D0 (en) 2001-03-07
GB2373652A GB2373652A (en) 2002-09-25
GB2373652B true GB2373652B (en) 2004-06-23

Family

ID=9907493

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0101937A Expired - Fee Related GB2373652B (en) 2001-01-25 2001-01-25 Fault detection in electrical distribution networks

Country Status (1)

Country Link
GB (1) GB2373652B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408176A (en) * 1988-03-21 1995-04-18 Blatt; David W. E. Monitoring and fault protection of high voltage switch yards
US6094330A (en) * 1998-01-14 2000-07-25 General Electric Company Circuit interrupter having improved current sensing apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408176A (en) * 1988-03-21 1995-04-18 Blatt; David W. E. Monitoring and fault protection of high voltage switch yards
US6094330A (en) * 1998-01-14 2000-07-25 General Electric Company Circuit interrupter having improved current sensing apparatus

Also Published As

Publication number Publication date
GB2373652A (en) 2002-09-25
GB0101937D0 (en) 2001-03-07

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Legal Events

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

Effective date: 20110125