DE3880471T2 - Schutzrelais mit selektiver phasenwahl fuer doppelte energie-uebertragungsleitungen. - Google Patents

Schutzrelais mit selektiver phasenwahl fuer doppelte energie-uebertragungsleitungen.

Info

Publication number: DE3880471T2
Authority: DE; Germany
Prior art keywords: transmission lines; energy transmission; protective relay; selective phase; double energy
Prior art date: 1987-12-29
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

DE88121660T

Other languages

English (en)

Other versions

DE3880471D1 (de

Inventor

Sten Bergman

Stefan Ljung

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.)

ABB AB

Original Assignee

Asea Brown Boveri AB

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.)

1987-12-29

Filing date

1988-12-24

Publication date

1993-11-04

1988-12-24 Application filed by Asea Brown Boveri AB filed Critical Asea Brown Boveri AB

1993-05-27 Application granted granted Critical

1993-05-27 Publication of DE3880471D1 publication Critical patent/DE3880471D1/de

1993-11-04 Publication of DE3880471T2 publication Critical patent/DE3880471T2/de

2008-12-25 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- 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
- H02H7/261—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 involving signal transmission between at least two stations
- 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
- H02H7/267—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 for parallel lines and wires

DE88121660T 1987-12-29 1988-12-24 Schutzrelais mit selektiver phasenwahl fuer doppelte energie-uebertragungsleitungen. Expired - Fee Related DE3880471T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8705183A SE459946B (sv)	1987-12-29	1987-12-29	Relaeskydd med selektivt fasval foer dubbelledningar

Publications (2)

Publication Number	Publication Date
DE3880471D1 DE3880471D1 (de)	1993-05-27
DE3880471T2 true DE3880471T2 (de)	1993-11-04

Family

ID=20370733

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE88121660T Expired - Fee Related DE3880471T2 (de)	1987-12-29	1988-12-24	Schutzrelais mit selektiver phasenwahl fuer doppelte energie-uebertragungsleitungen.

Country Status (5)

Country	Link
US (1)	US4864453A (de)
EP (1)	EP0325786B1 (de)
CA (1)	CA1312941C (de)
DE (1)	DE3880471T2 (de)
SE (1)	SE459946B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6567256B1 (en) *	1993-08-06	2003-05-20	Schweitzer Engineering Labs, Inc.	Dual protective relay for power systems
US5506789A (en) *	1993-10-15	1996-04-09	The Texas A & M University System	Load extraction fault detection system
US5600526A (en) *	1993-10-15	1997-02-04	The Texas A & M University System	Load analysis system for fault detection
US5578931A (en) *	1993-10-15	1996-11-26	The Texas A & M University System	ARC spectral analysis system
US5659453A (en) *	1993-10-15	1997-08-19	Texas A&M University	Arc burst pattern analysis fault detection system
US5550751A (en) *	1993-10-15	1996-08-27	The Texas A & M University System	Expert system for detecting high impedance faults
US5485093A (en) *	1993-10-15	1996-01-16	The Texas A & M University System	Randomness fault detection system
US5512832A (en) *	1993-10-15	1996-04-30	The Texas A & M University System	Energy analysis fault detection system
GB2288930B (en) *	1994-04-25	1998-01-21	Gec Alsthom Ltd	Methods and apparatus for identifying faulted phases on an electric power transmission line
JP3456952B2 (ja) *	2000-06-28	2003-10-14	株式会社東芝	ディジタル形距離継電器
US20030002576A1 (en) *	2001-06-29	2003-01-02	Whitehead David E.	Apparatus and method for compression of data in protection and control communications between protective relays in a power system
CN100424953C (zh) *	2004-10-14	2008-10-08	南京南瑞继保电气有限公司	一种输电线路的重合闸方法
US7613974B2 (en)	2006-03-24	2009-11-03	Ics Triplex Technology Limited	Fault detection method and apparatus
US7747405B2 (en)	2006-03-24	2010-06-29	Ics Triplex Technology Ltd.	Line frequency synchronization
US7476891B2 (en)	2006-03-24	2009-01-13	Ics Triplex Technology, Ltd.	Fault detection method and apparatus
US7729098B2 (en)	2006-03-24	2010-06-01	Ics Triplex Technology Limited	Overload protection method
US8166362B2 (en)	2006-03-24	2012-04-24	Rockwell Automation Limited	Fault detection method and apparatus for analog to digital converter circuits
US7504975B2 (en)	2006-03-24	2009-03-17	Ics Triplex Technology Limited	Method and apparatus for output current control
US7688560B2 (en)	2006-03-24	2010-03-30	Ics Triplex Technology Limited	Overload protection method
ATE463077T1 (de) *	2006-03-24	2010-04-15	Ics Triplex Technology Ltd	Verfahren und vorrichtung für ausgangsstromsteuerung
US7483803B2 (en) *	2006-08-11	2009-01-27	Apple Inc.	Methods and apparatuses for calibrating sensors

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4148087A (en) *	1977-04-20	1979-04-03	Phadke Arun G	Distance relay for electric power transmission lines
FR2418560A1 (fr) *	1978-02-23	1979-09-21	Enertec	Detection de la position d'un defaut sur une ligne electrique
US4261038A (en) *	1978-02-28	1981-04-07	National Research Development Corporation	Protection of electrical power supply systems
US4321681A (en) *	1979-09-21	1982-03-23	Westinghouse Electric Corp.	Protective relay apparatus
US4319329A (en) *	1980-02-21	1982-03-09	Iowa State University Research Foundation, Inc.	Frequency measuring and monitoring apparatus, methods and systems
US4466071A (en) *	1981-09-28	1984-08-14	Texas A&M University System	High impedance fault detection apparatus and method
US4617636A (en) *	1982-03-03	1986-10-14	National Research Development Corporation	Protection of electrical power supply systems
US4625283A (en) *	1982-05-07	1986-11-25	Cooper Industries, Inc.	Method and apparatus for digitally measuring alternating current
JPS6039312A (ja) *	1983-08-10	1985-03-01	株式会社東芝	保護継電装置
SE441138B (sv) *	1984-02-01	1985-09-09	Asea Ab	Digitalt impedansrele
JPH0828934B2 (ja) *	1984-07-31	1996-03-21	株式会社東芝	保護制御装置
FR2590992B1 (fr) *	1985-12-04	1988-03-04	Enertec	Procede et dispositif de discrimination d'un conducteur en defaut dans une ligne multiple
US4795983A (en) *	1988-03-07	1989-01-03	Westinghouse Electric Corp.	Method and apparatus for identifying a faulted phase

1987
- 1987-12-29 SE SE8705183A patent/SE459946B/sv not_active IP Right Cessation
1988
- 1988-12-19 US US07/286,141 patent/US4864453A/en not_active Expired - Fee Related
- 1988-12-24 EP EP88121660A patent/EP0325786B1/de not_active Expired - Lifetime
- 1988-12-24 DE DE88121660T patent/DE3880471T2/de not_active Expired - Fee Related
- 1988-12-28 CA CA000587074A patent/CA1312941C/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
SE8705183D0 (sv)	1987-12-29
CA1312941C (en)	1993-01-19
SE8705183L (sv)	1989-06-30
US4864453A (en)	1989-09-05
DE3880471D1 (de)	1993-05-27
EP0325786B1 (de)	1993-04-21
SE459946B (sv)	1989-08-21
EP0325786A1 (de)	1989-08-02

Legal Events

Date	Code	Title	Description
1994-05-19	8364	No opposition during term of opposition
1997-12-11	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3880471T2 (de)	1993-11-04	Schutzrelais mit selektiver phasenwahl fuer doppelte energie-uebertragungsleitungen.
DE3688855D1 (de)	1993-09-16	Satellitenuebertragungssystem mit direktuebertragung.
DE3484521D1 (de)	1991-06-06	Cdns fuer glucoamylase.
DE68910403T2 (de)	1994-03-03	Übertragungsleitungsschalter.
DE3853005D1 (de)	1995-03-23	Übertragungssystem.
DE3686275T2 (de)	1993-03-18	Praeparate mit verzoegerter freisetzung.
DE3574808D1 (de)	1990-01-18	Multiplexuebertragungssystem.
DE68911689D1 (de)	1994-02-03	Übertragungsleitungsröhren.
DE3785781T2 (de)	1993-09-02	Zusammengesetztes qam-psk-uebertragungssystem.
DE3587586T2 (de)	1994-04-28	Getriebe-System.
DE3667435D1 (de)	1990-01-18	Getriebeanordnung.
DE3871359D1 (de)	1992-06-25	Kraftuebertragung fuer fahrzeuge.
DE69107201D1 (de)	1995-03-16	Ortungssystem mit offener übertragungsleitung.
DE3780595T2 (de)	1993-01-21	Hydraulisch-pneumatische leistungsuebertragungseinrichtung.
DE58903590D1 (de)	1993-04-01	Lenkgetriebe.
DE3685761T2 (de)	1993-01-07	Multiplexuebertragungssystem.
DE3687172T2 (de)	1993-04-29	Multiplexuebertragungssystem.
DE3581206D1 (de)	1991-02-07	Zweistrecken-nachrichtenuebertragungssystem mit zusammengruppierten satelliten.
DE3485159D1 (de)	1991-11-21	Lageuebermittlungssystem.
NO884283D0 (no)	1988-09-27	Sveiset roerskjoet.
DE3879739T2 (de)	1993-07-08	Stromfuehrende leitung.
DE68905466D1 (de)	1993-04-22	Kupplung fuer kraftuebertragung.
DE3880197T2 (de)	1993-08-05	Fahrzeuggetriebe.
DE3866161D1 (de)	1991-12-19	Zahnradsynchronisator fuer kraftgetriebe.
DE3877788D1 (de)	1993-03-11	Gasisolierte uebertragungsleitung mit einfacher isolatoranordnung.