DE3888454D1 - Schutzrelais. - Google Patents

Schutzrelais.

Info

Publication number
DE3888454D1
DE3888454D1 DE88310695T DE3888454T DE3888454D1 DE 3888454 D1 DE3888454 D1 DE 3888454D1 DE 88310695 T DE88310695 T DE 88310695T DE 3888454 T DE3888454 T DE 3888454T DE 3888454 D1 DE3888454 D1 DE 3888454D1
Authority
DE
Germany
Prior art keywords
protection relay
relay
protection
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
DE88310695T
Other languages
English (en)
Other versions
DE3888454T2 (de
Inventor
Stanley Bruce Wilkinson
George Edmund Alexander
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 Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE3888454D1 publication Critical patent/DE3888454D1/de
Application granted granted Critical
Publication of DE3888454T2 publication Critical patent/DE3888454T2/de
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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/385—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 both voltage and current; responsive to phase angle between voltage and current using at least one homopolar quantity
    • 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
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • 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
DE3888454T 1987-11-12 1988-11-11 Schutzrelais. Expired - Fee Related DE3888454T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/120,078 US4825327A (en) 1987-11-12 1987-11-12 Negative and zero sequence directional overcurrent unit for AC power transmission line protection
CA000583400A CA1323682C (en) 1987-11-12 1988-11-17 Negative and zero sequence directional overcurrent unit for ac power transmission line protection

Publications (2)

Publication Number Publication Date
DE3888454D1 true DE3888454D1 (de) 1994-04-21
DE3888454T2 DE3888454T2 (de) 1994-09-22

Family

ID=25672235

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3888454T Expired - Fee Related DE3888454T2 (de) 1987-11-12 1988-11-11 Schutzrelais.

Country Status (6)

Country Link
US (1) US4825327A (de)
EP (1) EP0316203B1 (de)
JP (1) JPH01194819A (de)
CA (1) CA1323682C (de)
DE (1) DE3888454T2 (de)
ES (1) ES2050161T3 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5627712A (en) * 1990-04-19 1997-05-06 General Electric Company Transformer differential relay
FR2690573B1 (fr) * 1992-04-28 1997-05-09 Merlin Gerin Dispositif de controle de defaut homopolaire dans un reseau de distribution electrique.
FR2692086B1 (fr) * 1992-06-03 1995-10-06 Electricite De France Procede et dispositif de protection selective contre les defauts a la terre d'un reseau electrique.
US5349490A (en) * 1992-10-15 1994-09-20 Schweitzer Engineering Laboratories, Inc. Negative sequence directional element for a relay useful in protecting power transmission lines
US5566041A (en) * 1995-04-17 1996-10-15 Houston Industries Incorporated Zero-sequence opening of power distribution
US5790418A (en) * 1995-10-17 1998-08-04 Schweitzer Engineering Laboratories, Inc. Adaptive polarizing memory voltage time constant
US5768079A (en) * 1996-09-25 1998-06-16 Cooper Industries, Inc. Adaptive ground and phase fault detection for a power distribution system
US5808845A (en) * 1997-05-30 1998-09-15 Schweitzer Engineering Laboratories Inc. System for preventing sympathetic tripping in a power system
US6137666A (en) * 1999-01-21 2000-10-24 Abb Power T&D Company Inc. High speed, selective protective relays
US6239959B1 (en) 1999-06-30 2001-05-29 General Electric Company Ground distance relay for AC power transmission line protection
JP2004525344A (ja) 2000-11-08 2004-08-19 ゼネラル・エレクトリック・カンパニイ 地絡抵抗検出／計算装置と方法
JP2003070151A (ja) * 2001-08-27 2003-03-07 Toshiba Corp 保護継電装置
CN100395933C (zh) * 2004-12-24 2008-06-18 许继集团有限公司 一种正负序故障分量方向和零序功率方向判别方法
US7498818B2 (en) * 2006-08-25 2009-03-03 Schweitzer Engineering Laboratories, Inc. Apparatus and method for detecting a brush liftoff in a synchronous generator rotor circuit
US8395871B2 (en) 2007-02-20 2013-03-12 Abb Technology Ag Device and method for detecting faulted phases in a multi-phase electrical network
KR101265267B1 (ko) * 2007-04-24 2013-05-16 삼성전자주식회사 고압 전원장치
TWI473452B (zh) * 2008-05-07 2015-02-11 Mediatek Inc 用於無線區域網路裝置之無線射頻發射裝置
US8405940B2 (en) * 2009-10-13 2013-03-26 Schweitzer Engineering Laboratories Inc Systems and methods for generator ground fault protection
US8634175B2 (en) * 2011-04-13 2014-01-21 Siemens Industry, Inc. Method and system for programming and implementing automated fault isolation and restoration using sequential logic
EP2837942B1 (de) * 2012-04-09 2019-08-21 Toshiba Mitsubishi-Electric Industrial Systems Corporation Erdfehlerdetektorschaltung und leistungsumwandlungsvorrichtung damit
CN103390888B (zh) * 2013-08-07 2016-05-11 山东电力工程咨询院有限公司 一种零序有功分量保护判据
US10288688B2 (en) 2014-07-24 2019-05-14 Schweitzer Engineering Laboratories, Inc. Systems and methods for monitoring and protecting an electric power generator
US9496707B2 (en) 2014-12-22 2016-11-15 Schweitzer Engineering Laboratories, Inc. Generator protection element
CN105005014B (zh) * 2015-07-07 2017-11-21 南京国电南自电网自动化有限公司 一种具有保护电流互感器输出异常检测功能的合并单元
CN105527543B (zh) * 2016-01-26 2018-06-01 国家电网公司 一种高压线路纵联零序方向判别方法及装置
US10197614B2 (en) 2016-05-02 2019-02-05 Schweitzer Engineering Laboratories, Inc. Fault location during pole-open condition
US10931097B2 (en) 2017-09-25 2021-02-23 Schweitzer Engineering Laboratories, Inc. Generator stator ground protection using third harmonic
US10333291B2 (en) 2017-09-25 2019-06-25 Schweitzer Engineering Laboratories, Inc. Multiple generator ground fault detection
SE541306C2 (sv) 2017-10-31 2019-06-25 Dlaboratory Sweden Ab Metod och anordning för detektering av fel i och skydd av elektriska nät
US10938314B2 (en) 2018-07-23 2021-03-02 Smart Wires Inc. Early detection of faults in power transmission lines
US10797632B2 (en) 2018-08-21 2020-10-06 Schweitzer Engineering Laboratories, Inc. Sensitive directional element for generator protection
US11316455B2 (en) 2019-08-28 2022-04-26 Schweitzer Engineering Laboratories, Inc. Generator rotor turn-to-turn fault detection using fractional harmonics
US10819261B1 (en) 2019-10-25 2020-10-27 Schweitzer Engineering Laboratories, Inc. Security improvements for electric power generator protection
US11631972B2 (en) 2020-12-16 2023-04-18 Schweitzer Engineering Laboratories, Inc. Accurate modeling of equipment overexcitation damage curves
US11735908B2 (en) 2021-02-15 2023-08-22 Schweitzer Engineering Laboratories, Inc. Dependable open-phase detection in electric power delivery systems with inverter-based resources
US11831147B2 (en) * 2022-02-15 2023-11-28 Viking Protection Systems LLC Electric transmission line ground fault prevention methods using dual, high sensitivity monitoring
US11650241B1 (en) 2022-06-28 2023-05-16 Schweitzer Engineering Laboratories, Inc. Incremental quantities-based fault locating technique and system
US11946966B1 (en) 2023-02-20 2024-04-02 Schweitzer Engineering Laboratories, Inc. Selective stator ground fault protection using positive-sequence voltage reference

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1920329A (en) * 1930-05-01 1933-08-01 Westinghouse Electric & Mfg Co High-speed relaying equipment
US3374399A (en) * 1966-02-01 1968-03-19 Gen Electric Distance protective relaying
JPS5184049A (ja) * 1975-01-20 1976-07-23 Mitsubishi Electric Corp Jikokenshutsukeidensochi
US4342064A (en) * 1978-02-21 1982-07-27 General Electric Company Static distance relays with improved polarizing signal
US4347542A (en) * 1981-03-20 1982-08-31 Westinghouse Electric Corp. Ratio ground relay
US4357644A (en) * 1981-03-20 1982-11-02 Westinghouse Electric Corp. Ratio ground relays
US4405966A (en) * 1981-10-07 1983-09-20 General Electric Company System for providing protection for a high voltage transmission line
US4453191A (en) * 1982-07-29 1984-06-05 General Electric Company Overvoltage directional relay
US4686601A (en) * 1985-10-02 1987-08-11 General Electric Company Ground distance relay for AC power transmission line protection

Also Published As

Publication number Publication date
JPH01194819A (ja) 1989-08-04
US4825327A (en) 1989-04-25
DE3888454T2 (de) 1994-09-22
EP0316203A3 (de) 1991-03-20
EP0316203A2 (de) 1989-05-17
ES2050161T3 (es) 1994-05-16
CA1323682C (en) 1993-10-26
EP0316203B1 (de) 1994-03-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee