SE9303186L - Förfarande och anordning för att identifiera enkla jordfel - Google Patents

Förfarande och anordning för att identifiera enkla jordfel

Info

Publication number
SE9303186L
SE9303186L SE9303186A SE9303186A SE9303186L SE 9303186 L SE9303186 L SE 9303186L SE 9303186 A SE9303186 A SE 9303186A SE 9303186 A SE9303186 A SE 9303186A SE 9303186 L SE9303186 L SE 9303186L
Authority
SE
Sweden
Prior art keywords
phase
pct
current
faults
ground
Prior art date
Application number
SE9303186A
Other languages
English (en)
Swedish (sv)
Other versions
SE9303186D0 (sv
SE501934C2 (sv
Inventor
Leif Eriksson
Murari Mohan Saha
Original Assignee
Asea Brown Boveri
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 Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE9303186A priority Critical patent/SE501934C2/sv
Publication of SE9303186D0 publication Critical patent/SE9303186D0/xx
Priority to DE69408331T priority patent/DE69408331T2/de
Priority to US08/604,981 priority patent/US5764064A/en
Priority to CA002170383A priority patent/CA2170383C/en
Priority to PCT/SE1994/000892 priority patent/WO1995009467A1/en
Priority to EP94929072A priority patent/EP0721687B1/en
Publication of SE9303186L publication Critical patent/SE9303186L/
Publication of SE501934C2 publication Critical patent/SE501934C2/sv

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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/162—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 fault current to earth, frame or mass for ac systems
    • H02H3/165—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 fault current to earth, frame or mass for ac systems for three-phase systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Locating Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
SE9303186A 1993-09-30 1993-09-30 Förfarande och anordning för att identifiera enkla jordfel SE501934C2 (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9303186A SE501934C2 (sv) 1993-09-30 1993-09-30 Förfarande och anordning för att identifiera enkla jordfel
DE69408331T DE69408331T2 (de) 1993-09-30 1994-09-28 Verfahren und vorrichtung zur erkennung von erdschlussfehlern in einer einzigen phase
US08/604,981 US5764064A (en) 1993-09-30 1994-09-28 Method and device for identifying single ground faults
CA002170383A CA2170383C (en) 1993-09-30 1994-09-28 Method and device for identifying single ground faults
PCT/SE1994/000892 WO1995009467A1 (en) 1993-09-30 1994-09-28 Method and device for identifying single ground faults
EP94929072A EP0721687B1 (en) 1993-09-30 1994-09-28 Method and device for identifying single ground faults

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9303186A SE501934C2 (sv) 1993-09-30 1993-09-30 Förfarande och anordning för att identifiera enkla jordfel

Publications (3)

Publication Number Publication Date
SE9303186D0 SE9303186D0 (sv) 1993-09-30
SE9303186L true SE9303186L (sv) 1995-03-31
SE501934C2 SE501934C2 (sv) 1995-06-26

Family

ID=20391261

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9303186A SE501934C2 (sv) 1993-09-30 1993-09-30 Förfarande och anordning för att identifiera enkla jordfel

Country Status (6)

Country Link
US (1) US5764064A ( )
EP (1) EP0721687B1 ( )
CA (1) CA2170383C ( )
DE (1) DE69408331T2 ( )
SE (1) SE501934C2 ( )
WO (1) WO1995009467A1 ( )

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6714000B2 (en) * 1999-06-14 2004-03-30 Genscape, Inc. Method for monitoring power and current flow
SE526446C2 (sv) * 2003-03-05 2005-09-13 Jan Berggren Detektering av jordfel i trefassystem
AR047212A1 (es) * 2004-08-03 2006-01-11 Coesp Ltda Componentes Eletric Metodo para seccionar con un seccionador una linea de distribucion de energia electrica de media tension que presenta una pertubacion, seccionador de lineas de distribucion de energia electrica de media tension de aplicacion en el mismo y circuito electronico de deteccion de una corriente de falla c
FR2902887B1 (fr) * 2006-06-23 2008-08-01 Schneider Electric Ind Sas Procede de detection directionnel d'un defaut a la terre et dispositif pour sa mise en oeuvre
CA2585820A1 (fr) * 2007-04-18 2008-10-18 Hydro-Quebec Localisation de defaut sur un reseau electrique par mesures de tension distribuees
EP3570399B1 (en) 2018-05-18 2022-03-16 ABB Schweiz AG Method and apparatus for use in earth-fault protection
US11085972B2 (en) 2018-11-27 2021-08-10 X Development Llc Ground fault detection in ungrounded power systems
CN110261722B (zh) * 2019-08-06 2021-02-02 云南电网有限责任公司电力科学研究院 一种中性点不接地系统的单相接地判别及判相方法
CN111243226B (zh) * 2020-02-24 2021-04-16 云南电网有限责任公司 单相断线经杆塔接地故障下的人身安全评估方法及系统
CN111366815B (zh) * 2020-04-24 2022-09-20 北京东土科技股份有限公司 基于配电站服务器的小电流接地选线方法、装置及介质
CN113156267B (zh) * 2021-04-27 2024-02-02 福州大学 一种配电网接地故障选段方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1560518A ( ) * 1968-01-24 1969-03-21
CH565469A5 ( ) * 1973-06-07 1975-08-15 Bbc Brown Boveri & Cie
FR2380631A1 (fr) * 1977-02-09 1978-09-08 Schlumberger Compteurs Relais directionnel
US4196463A (en) * 1978-06-05 1980-04-01 Hughes Aircraft Company Method and apparatus for detecting faults in an electric power distribution system
JPS5830554B2 (ja) * 1978-11-13 1983-06-29 東京電力株式会社 送電線故障点探査・送電線保護用の故障点標定方式
IN155620B ( ) * 1980-03-01 1985-02-16 Gen Electric Co Plc
SE470197B (sv) * 1992-06-26 1993-11-29 Asea Brown Boveri Förfarande och anordning för att bestämma den felström som uppstår vid ett fel på kraftlinjer vid kortslutning mellan fas/faser till jord
SE470499B (sv) * 1992-10-20 1994-06-06 Asea Brown Boveri Förfarande och anordning för felbestämning vid fel på en kraftledning

Also Published As

Publication number Publication date
US5764064A (en) 1998-06-09
SE9303186D0 (sv) 1993-09-30
DE69408331T2 (de) 1998-09-03
CA2170383A1 (en) 1995-04-06
SE501934C2 (sv) 1995-06-26
CA2170383C (en) 2003-01-07
EP0721687B1 (en) 1998-01-28
DE69408331D1 (de) 1998-03-05
WO1995009467A1 (en) 1995-04-06
EP0721687A1 (en) 1996-07-17

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Legal Events

Date Code Title Description
NUG Patent has lapsed