AU2003286190A1 - Earth fault protection for synchronous machines - Google Patents

Earth fault protection for synchronous machines

Info

Publication number
AU2003286190A1
AU2003286190A1 AU2003286190A AU2003286190A AU2003286190A1 AU 2003286190 A1 AU2003286190 A1 AU 2003286190A1 AU 2003286190 A AU2003286190 A AU 2003286190A AU 2003286190 A AU2003286190 A AU 2003286190A AU 2003286190 A1 AU2003286190 A1 AU 2003286190A1
Authority
AU
Australia
Prior art keywords
earth fault
fault protection
synchronous machines
synchronous
machines
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.)
Abandoned
Application number
AU2003286190A
Inventor
Sture Lindahl
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.)
General Electric Technology GmbH
Original Assignee
Alstom Technology AG
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 Alstom Technology AG filed Critical Alstom Technology AG
Publication of AU2003286190A1 publication Critical patent/AU2003286190A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
    • 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
    • H02H3/50—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 the appearance of abnormal wave forms, e.g. ac in dc installations
    • H02H3/52—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 the appearance of abnormal wave forms, e.g. ac in dc installations responsive to the appearance of harmonics
    • 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
    • H02H3/08—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 excess current
    • H02H3/081—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 excess current and depending on the direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Eletrric Generators (AREA)
AU2003286190A 2002-10-29 2003-10-13 Earth fault protection for synchronous machines Abandoned AU2003286190A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0203174A SE0203174D0 (en) 2002-10-29 2002-10-29 Earth fault protection for synchronous machines
SE0203174-8 2002-10-29
PCT/EP2003/050709 WO2004040732A1 (en) 2002-10-29 2003-10-13 Earth fault protection for synchronous machines

Publications (1)

Publication Number Publication Date
AU2003286190A1 true AU2003286190A1 (en) 2004-05-25

Family

ID=20289385

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003286190A Abandoned AU2003286190A1 (en) 2002-10-29 2003-10-13 Earth fault protection for synchronous machines

Country Status (3)

Country Link
AU (1) AU2003286190A1 (en)
SE (1) SE0203174D0 (en)
WO (1) WO2004040732A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006004800A1 (en) * 2006-01-23 2007-08-02 Siemens Ag Protective device with a circuit breaker, in particular a low-voltage circuit breaker
AT504920B1 (en) * 2007-04-04 2008-09-15 Univ Graz Tech EARTH LOCKING BY FOREIGN CURRENT
JP2012189403A (en) * 2011-03-10 2012-10-04 Hitachi Mitsubishi Hydro Corp Revolving electrical machine
CN103947065A (en) 2011-11-16 2014-07-23 维斯塔斯风力系统集团公司 Protection of a permanent magnet generator
WO2019075673A1 (en) * 2017-10-18 2019-04-25 中国电力科学研究院有限公司 Single-phase-to-ground fault detection method and device based on electric field induction, and storage medium
CN112180290B (en) * 2020-09-29 2024-03-08 西安热工研究院有限公司 Positioning method for generator stator ground fault
CN113203950B (en) * 2021-04-30 2022-02-15 华中科技大学 Method and system for diagnosing ground fault degree of generator stator of marine nuclear power platform
CN114256827B (en) * 2021-12-17 2022-09-16 华中科技大学 Arc extinction method for network-source direct connection system of marine nuclear power platform
CN117538632A (en) * 2023-08-08 2024-02-09 沈阳工业大学 Grounding fault diagnosis device and method for converter transformer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297738A (en) * 1979-10-29 1981-10-27 Electric Power Research Institute, Inc. Apparatus for and method of detecting high impedance faults on distribution circuits with delta connected loads
CH663298A5 (en) * 1983-11-30 1987-11-30 Bbc Brown Boveri & Cie DEVICE FOR PROTECTING MULTI-PHASE ELECTRICAL MACHINES.

Also Published As

Publication number Publication date
WO2004040732A1 (en) 2004-05-13
SE0203174D0 (en) 2002-10-29

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase