SE9303186D0 - Förfarande och anordning för att identifiera enkla jordfel - Google Patents
Förfarande och anordning för att identifiera enkla jordfelInfo
- Publication number
- SE9303186D0 SE9303186D0 SE9303186A SE9303186A SE9303186D0 SE 9303186 D0 SE9303186 D0 SE 9303186D0 SE 9303186 A SE9303186 A SE 9303186A SE 9303186 A SE9303186 A SE 9303186A SE 9303186 D0 SE9303186 D0 SE 9303186D0
- Authority
- SE
- Sweden
- Prior art keywords
- phase
- pct
- current
- faults
- ground
- Prior art date
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)
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 |
EP94929072A EP0721687B1 (en) | 1993-09-30 | 1994-09-28 | Method and device for identifying single ground faults |
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 |
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 true SE9303186D0 (sv) | 1993-09-30 |
SE9303186L 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 (sv) |
EP (1) | EP0721687B1 (sv) |
CA (1) | CA2170383C (sv) |
DE (1) | DE69408331T2 (sv) |
SE (1) | SE501934C2 (sv) |
WO (1) | WO1995009467A1 (sv) |
Families Citing this family (13)
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 |
US12081014B2 (en) | 2020-12-23 | 2024-09-03 | Hamilton Sundstrand Corporation | Fault clearing in midpoint grounded systems |
JP2024501977A (ja) | 2020-12-30 | 2024-01-17 | バクスター・インターナショナル・インコーポレイテッド | 輸液装置におけるバッテリ警報を生成するためのシステムおよび方法 |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1560518A (sv) * | 1968-01-24 | 1969-03-21 | ||
CH565469A5 (sv) * | 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 (sv) * | 1980-03-01 | 1985-02-16 | Gen Electric Co Plc | |
SE9201972L (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 |
-
1993
- 1993-09-30 SE SE9303186A patent/SE501934C2/sv not_active IP Right Cessation
-
1994
- 1994-09-28 EP EP94929072A patent/EP0721687B1/en not_active Expired - Lifetime
- 1994-09-28 CA CA002170383A patent/CA2170383C/en not_active Expired - Lifetime
- 1994-09-28 WO PCT/SE1994/000892 patent/WO1995009467A1/en active IP Right Grant
- 1994-09-28 DE DE69408331T patent/DE69408331T2/de not_active Expired - Lifetime
- 1994-09-28 US US08/604,981 patent/US5764064A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69408331T2 (de) | 1998-09-03 |
EP0721687B1 (en) | 1998-01-28 |
CA2170383A1 (en) | 1995-04-06 |
CA2170383C (en) | 2003-01-07 |
EP0721687A1 (en) | 1996-07-17 |
SE501934C2 (sv) | 1995-06-26 |
WO1995009467A1 (en) | 1995-04-06 |
SE9303186L (sv) | 1995-03-31 |
DE69408331D1 (de) | 1998-03-05 |
US5764064A (en) | 1998-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |