DE69120214D1 - Digitale Schutzrelaisanordnung - Google Patents

Digitale Schutzrelaisanordnung

Info

Publication number
DE69120214D1
DE69120214D1 DE69120214T DE69120214T DE69120214D1 DE 69120214 D1 DE69120214 D1 DE 69120214D1 DE 69120214 T DE69120214 T DE 69120214T DE 69120214 T DE69120214 T DE 69120214T DE 69120214 D1 DE69120214 D1 DE 69120214D1
Authority
DE
Germany
Prior art keywords
protection relay
digital protection
relay arrangement
arrangement
digital
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
DE69120214T
Other languages
English (en)
Other versions
DE69120214T2 (de
Inventor
Masahiro Hattori
Junichi Inagaki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69120214D1 publication Critical patent/DE69120214D1/de
Publication of DE69120214T2 publication Critical patent/DE69120214T2/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
    • H02H3/02—Details
    • H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
DE69120214T 1990-11-30 1991-11-25 Digitale Schutzrelaisanordnung Expired - Fee Related DE69120214T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2340240A JPH04208023A (ja) 1990-11-30 1990-11-30 ディジタル形保護継電装置

Publications (2)

Publication Number Publication Date
DE69120214D1 true DE69120214D1 (de) 1996-07-18
DE69120214T2 DE69120214T2 (de) 1996-11-07

Family

ID=18335043

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69120214T Expired - Fee Related DE69120214T2 (de) 1990-11-30 1991-11-25 Digitale Schutzrelaisanordnung

Country Status (5)

Country Link
US (1) US5258885A (de)
EP (1) EP0488123B1 (de)
JP (1) JPH04208023A (de)
KR (1) KR940000697B1 (de)
DE (1) DE69120214T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2677722B2 (ja) * 1991-07-05 1997-11-17 株式会社東芝 ディジタル保護継電器
JP3331875B2 (ja) * 1996-08-28 2002-10-07 松下電器産業株式会社 産業用ロボットの安全装置
US6473281B1 (en) * 2000-08-17 2002-10-29 General Electric Company Automatic protection device with ground fault annunciation
US7701683B2 (en) 2001-07-06 2010-04-20 Schweitzer Engineering Laboratories, Inc. Apparatus, system, and method for sharing output contacts across multiple relays
KR100556618B1 (ko) * 2002-02-20 2006-03-06 효 신 박 전력통신망을 이용한 원격검침시스템
KR200449994Y1 (ko) * 2008-07-16 2010-08-30 한국서부발전 주식회사 오에프 케이블 보호계전 시스템
KR200449995Y1 (ko) * 2008-07-17 2010-08-30 한국서부발전 주식회사 변압기 보호시스템
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
CN104218933A (zh) * 2014-08-14 2014-12-17 洛阳嘉盛电源科技有限公司 继电器双重驱动保护电路
US11848550B2 (en) * 2018-07-25 2023-12-19 Mitsubishi Electric Corporation Semiconductor circuit breaker and circuit breaking device
CN111769525B (zh) * 2020-06-29 2022-07-19 江苏大唐国际吕四港发电有限责任公司 一种发电厂设备非正常停运信号判别方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5276652A (en) * 1975-12-20 1977-06-28 Toshiba Corp Protective relay device
JPS52143464A (en) * 1976-05-26 1977-11-30 Tokyo Electric Power Co Inc:The Calculator type protective relay system
EP0010882B1 (de) * 1978-10-21 1983-10-05 WARD & GOLDSTONE LIMITED Schaltkreis
JPS5561231A (en) * 1978-10-31 1980-05-08 Tokyo Shibaura Electric Co Protecting relay
JPS5592514A (en) * 1978-12-28 1980-07-14 Tokyo Shibaura Electric Co Digital protection relay
DE3339428C2 (de) * 1983-10-29 1987-04-16 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren für ein Signalvergleichsschutz-System zur Überwachung von Übertragungsstrecken des elektrischen Energie-Versorgungsnetzes
JPS60113615A (ja) * 1983-11-24 1985-06-20 株式会社東芝 デイジタル形保護継電装置
JPH078101B2 (ja) * 1984-04-25 1995-01-30 株式会社東芝 デイジタル形保護継電装置
DE3643981C2 (de) * 1986-12-22 1993-10-21 Siemens Ag Differenzstromschutzschalter

Also Published As

Publication number Publication date
EP0488123B1 (de) 1996-06-12
EP0488123A3 (en) 1993-08-04
EP0488123A2 (de) 1992-06-03
KR940000697B1 (ko) 1994-01-27
DE69120214T2 (de) 1996-11-07
JPH04208023A (ja) 1992-07-29
US5258885A (en) 1993-11-02
KR920011018A (ko) 1992-06-27

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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