DE69018344T2 - Differentialschutzrelais. - Google Patents

Differentialschutzrelais.

Info

Publication number
DE69018344T2
DE69018344T2 DE69018344T DE69018344T DE69018344T2 DE 69018344 T2 DE69018344 T2 DE 69018344T2 DE 69018344 T DE69018344 T DE 69018344T DE 69018344 T DE69018344 T DE 69018344T DE 69018344 T2 DE69018344 T2 DE 69018344T2
Authority
DE
Germany
Prior art keywords
protection relay
differential protection
differential
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
DE69018344T
Other languages
English (en)
Other versions
DE69018344D1 (de
Inventor
Makoto Terada
Yosuke Tsujikura
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69018344D1 publication Critical patent/DE69018344D1/de
Publication of DE69018344T2 publication Critical patent/DE69018344T2/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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
DE69018344T 1989-08-30 1990-08-16 Differentialschutzrelais. Expired - Fee Related DE69018344T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1224118A JP2676704B2 (ja) 1989-08-30 1989-08-30 差動保護継電装置

Publications (2)

Publication Number Publication Date
DE69018344D1 DE69018344D1 (de) 1995-05-11
DE69018344T2 true DE69018344T2 (de) 1995-11-09

Family

ID=16808824

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018344T Expired - Fee Related DE69018344T2 (de) 1989-08-30 1990-08-16 Differentialschutzrelais.

Country Status (8)

Country Link
US (1) US5095399A (de)
EP (1) EP0415179B1 (de)
JP (1) JP2676704B2 (de)
AU (1) AU642659B2 (de)
BR (1) BR9004278A (de)
CA (1) CA2024351C (de)
DE (1) DE69018344T2 (de)
HK (1) HK182595A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6356421B1 (en) * 1999-11-29 2002-03-12 Schweitzer Engineering Labs., Inc. System for power transformer differential protection
US20030223167A1 (en) * 2000-12-22 2003-12-04 Udren Eric A. Distributed bus differential relay system
US7701683B2 (en) * 2001-07-06 2010-04-20 Schweitzer Engineering Laboratories, Inc. Apparatus, system, and method for sharing output contacts across multiple relays
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
CN102200558A (zh) * 2010-03-25 2011-09-28 鸿富锦精密工业（深圳）有限公司 开/关机检测电路
WO2013181809A1 (en) * 2012-06-06 2013-12-12 Abb Technology Ltd. Method for identifying fault by current differential protection and device thereof
US8964337B2 (en) 2012-12-28 2015-02-24 General Electric Company Methods and systems for monitoring excitation of a generator based on a faulty status of a generator breaker
CN107884665B (zh) * 2017-11-28 2024-03-08 大唐西北(西安)电力试验研究院有限公司 防止发电机出口电压互感器匝间短路误跳机的装置及方法
US10756531B2 (en) * 2018-03-29 2020-08-25 Hamilton Sunstrand Corporation Voltage differential transducer (VDT) fault detection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB718815A (en) * 1951-05-01 1954-11-24 Vickers Electrical Co Ltd Improvements in and relating to electrical protective equipment
CH448234A (de) * 1967-03-28 1967-12-15 Oerlikon Maschf Differentialschutzschaltung
DE1956527C3 (de) * 1969-11-11 1973-01-04 Siemens Ag, 1000 Berlin U. 8000 Muenchen Differentialschutzeinrichtung
US3992649A (en) * 1975-02-10 1976-11-16 General Electric Company Current differential fault detection circuit
JPS5144582A (ja) * 1975-08-18 1976-04-16 Mitsubishi Electric Corp Nemachitsukuekishososeibutsu
EP0161403B1 (de) * 1981-12-29 1987-11-11 Mitsubishi Denki Kabushiki Kaisha Schutzrelais für Starkstromnetze
JPH07114532B2 (ja) * 1989-01-18 1995-12-06 三菱電機株式会社 差動保護継電装置

Also Published As

Publication number Publication date
BR9004278A (pt) 1991-09-03
EP0415179A3 (en) 1991-10-30
US5095399A (en) 1992-03-10
JPH0386014A (ja) 1991-04-11
AU6091690A (en) 1991-03-07
EP0415179A2 (de) 1991-03-06
JP2676704B2 (ja) 1997-11-17
EP0415179B1 (de) 1995-04-05
AU642659B2 (en) 1993-10-28
DE69018344D1 (de) 1995-05-11
HK182595A (en) 1995-12-08
CA2024351A1 (en) 1991-03-01
CA2024351C (en) 1994-10-11

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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