DE3270515D1 - Protective relay for power system - Google Patents

Protective relay for power system

Info

Publication number
DE3270515D1
DE3270515D1 DE8282112011T DE3270515T DE3270515D1 DE 3270515 D1 DE3270515 D1 DE 3270515D1 DE 8282112011 T DE8282112011 T DE 8282112011T DE 3270515 T DE3270515 T DE 3270515T DE 3270515 D1 DE3270515 D1 DE 3270515D1
Authority
DE
Germany
Prior art keywords
power system
protective relay
relay
protective
power
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
DE8282112011T
Other languages
English (en)
Inventor
Masaji Mitsubishi Denki K Usui
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
Priority claimed from JP56212415A external-priority patent/JPS58116016A/ja
Priority claimed from JP57035391A external-priority patent/JPS58154318A/ja
Priority claimed from JP57035393A external-priority patent/JPS58154320A/ja
Priority claimed from JP57035392A external-priority patent/JPS58154319A/ja
Priority claimed from JP57035383A external-priority patent/JPS58154317A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE3270515D1 publication Critical patent/DE3270515D1/de
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
    • H02H7/04—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 for transformers
    • H02H7/045—Differential protection of transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
DE8282112011T 1981-12-29 1982-12-24 Protective relay for power system Expired DE3270515D1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP56212415A JPS58116016A (ja) 1981-12-29 1981-12-29 差動継電器
JP57035391A JPS58154318A (ja) 1982-03-05 1982-03-05 保護継電器
JP57035393A JPS58154320A (ja) 1982-03-05 1982-03-05 比率差動継電器
JP57035392A JPS58154319A (ja) 1982-03-05 1982-03-05 保護継電器
JP57035383A JPS58154317A (ja) 1982-03-05 1982-03-05 保護継電器

Publications (1)

Publication Number Publication Date
DE3270515D1 true DE3270515D1 (en) 1986-05-15

Family

ID=27521690

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282112011T Expired DE3270515D1 (en) 1981-12-29 1982-12-24 Protective relay for power system

Country Status (5)

Country Link
US (1) US4513344A (de)
EP (3) EP0161407B1 (de)
AU (1) AU557935B2 (de)
CA (1) CA1193707A (de)
DE (1) DE3270515D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU560683B2 (en) * 1982-06-23 1987-04-16 Mitsubishi Denki Kabushiki Kaisha Protective relay with second harmonic suppression
JPS6110911A (ja) * 1984-06-27 1986-01-18 三菱電機株式会社 変圧器保護継電器
US4903163A (en) * 1989-05-09 1990-02-20 The United States Of America As Represented By The Secretary Of The Interior Directional harmonic overcurrent relay device
JP2676704B2 (ja) * 1989-08-30 1997-11-17 三菱電機株式会社 差動保護継電装置
US5172329A (en) * 1990-06-14 1992-12-15 Rahman Azizur M Microprocessor-based digital protective relay for power transformers
RU2222248C1 (ru) 2002-08-30 2004-01-27 Общество с ограниченной ответственностью "Ю.Т.М." Стеллажная конструкция

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451353C2 (de) * 1974-10-29 1976-08-19 Siemens AG, 1000 Berlin und 8000 München Schutzschaltungsanordnung für einen Hochspannungskondensatorblock
JPS55101019A (en) * 1979-01-29 1980-08-01 Kaoru Yamazaki Platform balance

Also Published As

Publication number Publication date
EP0161407B1 (de) 1989-03-08
EP0161407A1 (de) 1985-11-21
EP0161403B1 (de) 1987-11-11
US4513344A (en) 1985-04-23
CA1193707A (en) 1985-09-17
EP0083097B1 (de) 1986-04-09
EP0083097A1 (de) 1983-07-06
AU557935B2 (en) 1987-01-15
EP0161403A1 (de) 1985-11-21
AU9186682A (en) 1983-07-07

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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

Free format text: EISENFUEHR, G., DIPL.-ING. SPEISER, D., DIPL.-ING. RABUS, W., DR.-ING. BRUEGGE, J., DIPL.-ING., PAT.-ANW., 2800 BREMEN

8339 Ceased/non-payment of the annual fee