SE0203174D0 - Earth fault protection for synchronous machines - Google Patents

Earth fault protection for synchronous machines

Info

Publication number
SE0203174D0
SE0203174D0 SE0203174A SE0203174A SE0203174D0 SE 0203174 D0 SE0203174 D0 SE 0203174D0 SE 0203174 A SE0203174 A SE 0203174A SE 0203174 A SE0203174 A SE 0203174A SE 0203174 D0 SE0203174 D0 SE 0203174D0
Authority
SE
Sweden
Prior art keywords
order harmonic
neutral point
criteria
earth fault
harmonic currents
Prior art date
Application number
SE0203174A
Other languages
English (en)
Swedish (sv)
Inventor
Sture Lindahl
Original Assignee
Alstom Switzerland 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 Alstom Switzerland Ltd filed Critical Alstom Switzerland Ltd
Priority to SE0203174A priority Critical patent/SE0203174D0/xx
Publication of SE0203174D0 publication Critical patent/SE0203174D0/xx
Priority to AU2003286190A priority patent/AU2003286190A1/en
Priority to PCT/EP2003/050709 priority patent/WO2004040732A1/fr

Links

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Eletrric Generators (AREA)
SE0203174A 2002-10-29 2002-10-29 Earth fault protection for synchronous machines SE0203174D0 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0203174A SE0203174D0 (sv) 2002-10-29 2002-10-29 Earth fault protection for synchronous machines
AU2003286190A AU2003286190A1 (en) 2002-10-29 2003-10-13 Earth fault protection for synchronous machines
PCT/EP2003/050709 WO2004040732A1 (fr) 2002-10-29 2003-10-13 Protection contre les defauts d'isolement a la terre pour machines synchrones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0203174A SE0203174D0 (sv) 2002-10-29 2002-10-29 Earth fault protection for synchronous machines

Publications (1)

Publication Number Publication Date
SE0203174D0 true SE0203174D0 (sv) 2002-10-29

Family

ID=20289385

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0203174A SE0203174D0 (sv) 2002-10-29 2002-10-29 Earth fault protection for synchronous machines

Country Status (3)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114200376A (zh) * 2021-11-13 2022-03-18 平顶山姚孟发电有限责任公司 用于发电机机端电压互感器的故障预判系统及其控制方法
CN114256827A (zh) * 2021-12-17 2022-03-29 华中科技大学 一种海洋核动力平台网源直连系统接地故障消弧方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006004800A1 (de) * 2006-01-23 2007-08-02 Siemens Ag Schutzeinrichtung mit einem Leistungsschalter, insbesondere einem Niederspannungs-Leistungsschalter
AT504920B1 (de) 2007-04-04 2008-09-15 Univ Graz Tech Erdschlussortung durch fremdstrom
JP2012189403A (ja) * 2011-03-10 2012-10-04 Hitachi Mitsubishi Hydro Corp 回転電機
EP2780996B1 (fr) 2011-11-16 2018-11-14 Vestas Wind Systems A/S Protection d'un générateur à aimants permanents
WO2019075673A1 (fr) * 2017-10-18 2019-04-25 中国电力科学研究院有限公司 Procédé et dispositif de détection des défauts monophasés à la terre basés sur l'induction d'un champ électrique et moyen de stockage
CN112180290B (zh) * 2020-09-29 2024-03-08 西安热工研究院有限公司 一种发电机定子接地故障定位方法
CN114578223A (zh) * 2020-12-01 2022-06-03 许继电气股份有限公司 一种扩大化的发电机定子接地保护预警系统和方法
CN113203950B (zh) * 2021-04-30 2022-02-15 华中科技大学 海洋核动力平台发电机定子接地故障程度诊断方法和系统
CN117538632B (zh) * 2023-08-08 2024-07-26 沈阳工业大学 换流变压器接地故障诊断装置及方法

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 (de) * 1983-11-30 1987-11-30 Bbc Brown Boveri & Cie Einrichtung zum schutz mehrphasiger elektrischer maschinen.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114200376A (zh) * 2021-11-13 2022-03-18 平顶山姚孟发电有限责任公司 用于发电机机端电压互感器的故障预判系统及其控制方法
CN114256827A (zh) * 2021-12-17 2022-03-29 华中科技大学 一种海洋核动力平台网源直连系统接地故障消弧方法
CN114256827B (zh) * 2021-12-17 2022-09-16 华中科技大学 一种海洋核动力平台网源直连系统接地故障消弧方法

Also Published As

Publication number Publication date
AU2003286190A1 (en) 2004-05-25
WO2004040732A1 (fr) 2004-05-13

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