CA1208348A - Ultra-high-speed relay - Google Patents

Ultra-high-speed relay

Info

Publication number
CA1208348A
CA1208348A CA000438788A CA438788A CA1208348A CA 1208348 A CA1208348 A CA 1208348A CA 000438788 A CA000438788 A CA 000438788A CA 438788 A CA438788 A CA 438788A CA 1208348 A CA1208348 A CA 1208348A
Authority
CA
Canada
Prior art keywords
fault
time
voltage
current
derived signal
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
Application number
CA000438788A
Other languages
English (en)
French (fr)
Inventor
Allan M. Bignell
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.)
Westinghouse Canada Inc
Original Assignee
Westinghouse Canada Inc
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 Westinghouse Canada Inc filed Critical Westinghouse Canada Inc
Application granted granted Critical
Publication of CA1208348A publication Critical patent/CA1208348A/en
Expired 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
    • H02H7/265—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 making use of travelling wave theory

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Glass Compositions (AREA)
  • Vending Machines For Individual Products (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
CA000438788A 1982-10-22 1983-10-12 Ultra-high-speed relay Expired CA1208348A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/436,101 US4450497A (en) 1982-10-22 1982-10-22 Ultra-high-speed relay
US436,101 1995-05-08

Publications (1)

Publication Number Publication Date
CA1208348A true CA1208348A (en) 1986-07-22

Family

ID=23731113

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000438788A Expired CA1208348A (en) 1982-10-22 1983-10-12 Ultra-high-speed relay

Country Status (7)

Country Link
US (1) US4450497A (en, 2012)
JP (1) JPS5996821A (en, 2012)
AU (1) AU565161B2 (en, 2012)
BR (1) BR8305770A (en, 2012)
CA (1) CA1208348A (en, 2012)
ES (1) ES526640A0 (en, 2012)
IT (1) IT1171764B (en, 2012)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4841405A (en) * 1985-03-06 1989-06-20 Westinghouse Electric Corp. Protective relaying apparatus for providing fault-resistance correction
US5216621A (en) * 1991-02-28 1993-06-01 Mehta Tech. Inc. Line disturbance monitor and recorder system
DE19914773B4 (de) * 1999-03-31 2009-04-30 Aeg Niederspannungstechnik Gmbh & Co Kg Lichtbogenlöschhilfe
WO2002021099A2 (en) * 2000-09-08 2002-03-14 Waters Investments Limited Method and apparatus for determining the boundaries of a detector response profile and for controlling processes
JP3830824B2 (ja) * 2002-01-28 2006-10-11 株式会社東芝 ディジタル形方向継電器
US7460346B2 (en) * 2005-03-24 2008-12-02 Honeywell International Inc. Arc fault detection and confirmation using voltage and current analysis
WO2009076991A1 (en) * 2007-12-14 2009-06-25 Abb Technology Ag Fault direction determination
US8340931B2 (en) * 2009-10-05 2012-12-25 Mehta Tech, Inc. Power grid with comparison of differences in remote phasor changes
EP2596564B1 (en) * 2010-07-23 2014-03-19 ABB Technology AG Method and arrangement for capacitor bank protection
CN103728535B (zh) * 2013-10-28 2016-09-14 昆明理工大学 一种基于小波变换暂态能量谱的特高压直流输电线路故障测距方法
WO2017218600A1 (en) * 2016-06-13 2017-12-21 Schweitzer Engineering Laboratories, Inc. Overcurrent element in time domain
CN111817273B (zh) * 2020-07-08 2022-06-03 国网福建省电力有限公司检修分公司 基于六序分量法特高压同杆并架双回线路接地故障继电保护方法
KR102715192B1 (ko) * 2021-03-11 2024-10-10 한국전자기술연구원 반도체 패키지의 계면 고장 분석 장치 및 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599044A (en) * 1970-04-30 1971-08-10 Fuji Electric Co Ltd Superhigh-speed relaying system and apparatus for protection of power systems
US3700919A (en) * 1971-02-22 1972-10-24 Allis Chalmers Mfg Co Phase shift detector
CH642491A5 (de) * 1978-08-29 1984-04-13 Bbc Brown Boveri & Cie Verfahren und einrichtung zur fehlerdetektion an elektrischen leitungen.
US4371907A (en) * 1981-08-11 1983-02-01 Westinghouse Canada Inc. Protective relay apparatus and methods for protecting electrical power transmission lines

Also Published As

Publication number Publication date
ES8500518A1 (es) 1984-10-01
JPH027248B2 (en, 2012) 1990-02-16
IT8323291A1 (it) 1985-04-13
IT8323291A0 (it) 1983-10-13
AU1991283A (en) 1984-05-03
IT1171764B (it) 1987-06-10
BR8305770A (pt) 1984-05-29
US4450497A (en) 1984-05-22
AU565161B2 (en) 1987-09-10
JPS5996821A (ja) 1984-06-04
ES526640A0 (es) 1984-10-01

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