DE3887958D1 - Schutzrelais. - Google Patents

Schutzrelais.

Info

Publication number
DE3887958D1
DE3887958D1 DE88310696T DE3887958T DE3887958D1 DE 3887958 D1 DE3887958 D1 DE 3887958D1 DE 88310696 T DE88310696 T DE 88310696T DE 3887958 T DE3887958 T DE 3887958T DE 3887958 D1 DE3887958 D1 DE 3887958D1
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 - Lifetime
Application number
DE88310696T
Other languages
English (en)
Other versions
DE3887958T2 (de
Inventor
Stanley Bruce Wilkinson
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 DE3887958D1 publication Critical patent/DE3887958D1/de
Application granted granted Critical
Publication of DE3887958T2 publication Critical patent/DE3887958T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
DE3887958T 1987-11-12 1988-11-11 Schutzrelais. Expired - Lifetime DE3887958T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/120,115 US4821137A (en) 1987-11-12 1987-11-12 Positive sequence distance relay for AC power transmission line protection

Publications (2)

Publication Number Publication Date
DE3887958D1 true DE3887958D1 (de) 1994-03-31
DE3887958T2 DE3887958T2 (de) 1994-09-22

Family

ID=22388357

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3887958T Expired - Lifetime DE3887958T2 (de) 1987-11-12 1988-11-11 Schutzrelais.

Country Status (6)

Country Link
US (1) US4821137A (de)
EP (1) EP0316204B1 (de)
JP (1) JPH01202116A (de)
BR (1) BR8805941A (de)
DE (1) DE3887958T2 (de)
ES (1) ES2049257T3 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140492A (en) * 1990-04-11 1992-08-18 Schweitzer Engineering Laboratories, Inc. Distance relay using a polarizing voltage
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.
US5367426A (en) * 1992-10-14 1994-11-22 Schweitzer Engineering Laboratories, Inc. Distance relay with load encroachment protection, for use with power transmission lines
US5790418A (en) * 1995-10-17 1998-08-04 Schweitzer Engineering Laboratories, Inc. Adaptive polarizing memory voltage time constant
US6028754A (en) * 1995-10-20 2000-02-22 Schweitzer Engineering Laboratories, Inc. System for preventing undesired protective relay tripping actions due to coupling capacitor voltage transformer transients
US5703745A (en) * 1995-10-20 1997-12-30 Schweitzer Engineering Laboratories, Inc. System for detection of transients from a coupling capacitor voltage transformer used in a protective relay
DE19605025C2 (de) * 1996-01-31 2003-06-18 Siemens Ag Distanzschutzverfahren
US6239959B1 (en) * 1999-06-30 2001-05-29 General Electric Company Ground distance relay for AC power transmission line protection
US7701683B2 (en) * 2001-07-06 2010-04-20 Schweitzer Engineering Laboratories, Inc. Apparatus, system, and method for sharing output contacts across multiple relays
US7180300B2 (en) * 2004-12-10 2007-02-20 General Electric Company System and method of locating ground fault in electrical power distribution system
US20060152866A1 (en) * 2005-01-13 2006-07-13 Gabriel Benmouyal System for maintaining fault-type selection during an out-of-step condition
CN100459355C (zh) * 2006-01-26 2009-02-04 天津大学 输电线路距离保护方法
US8675327B2 (en) * 2007-03-30 2014-03-18 General Electric Company Fast impedance protection technique immune to dynamic errors of capacitive voltage transformers
US9256232B2 (en) 2009-06-12 2016-02-09 Schweitzer Engineering Laboratories, Inc. Voltage regulation using multiple voltage regulator controllers
US8427131B2 (en) * 2009-06-12 2013-04-23 Schweitzer Engineering Laboratories Inc Voltage regulation at a remote location using measurements from a remote metering device
US8476874B2 (en) * 2009-10-13 2013-07-02 Schweitzer Engineering Laboratories, Inc Systems and methods for synchronized control of electrical power system voltage profiles
CN103683230B (zh) * 2013-12-18 2016-08-10 重庆大学 一种电力系统配电网距离保护的实现方法及结构
US10978866B2 (en) * 2018-10-02 2021-04-13 Schweitzer Engineering Laboratories, Inc. Polarizing signal for electric power delivery system protection
US11271389B2 (en) 2020-06-24 2022-03-08 Schweitzer Engineering Laboratories, Inc. Distance protection using supervised sequence currents and voltages for electric power delivery systems
US11411389B1 (en) * 2021-03-15 2022-08-09 General Electric Technology Gmbh Systems and methods for a controlled dynamic MHO distance characteristic
US11598800B2 (en) 2021-03-25 2023-03-07 Schweitzer Engineering Laboratories, Inc. Distance elements for line protection near unconventional sources

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342064A (en) * 1978-02-21 1982-07-27 General Electric Company Static distance relays with improved polarizing signal
US4329727A (en) * 1980-07-16 1982-05-11 General Electric Company Directional power distance relay
US4447845A (en) * 1982-07-07 1984-05-08 General Electric Company Reactance relay
US4433353A (en) * 1982-07-29 1984-02-21 General Electric Company Positive sequence undervoltage distance relay
US4420788A (en) * 1982-07-29 1983-12-13 General Electric Company Phase relay for AC power transmission line protection
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
EP0316204A3 (de) 1991-03-20
ES2049257T3 (es) 1994-04-16
EP0316204B1 (de) 1994-02-23
BR8805941A (pt) 1989-08-01
US4821137A (en) 1989-04-11
DE3887958T2 (de) 1994-09-22
JPH01202116A (ja) 1989-08-15
EP0316204A2 (de) 1989-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN