JPS5018925A - - Google Patents

Info

Publication number
JPS5018925A
JPS5018925A JP49054642A JP5464274A JPS5018925A JP S5018925 A JPS5018925 A JP S5018925A JP 49054642 A JP49054642 A JP 49054642A JP 5464274 A JP5464274 A JP 5464274A JP S5018925 A JPS5018925 A JP S5018925A
Authority
JP
Japan
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.)
Pending
Application number
JP49054642A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5018925A publication Critical patent/JPS5018925A/ja
Pending 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)
  • Protection Of Transformers (AREA)
  • Housings And Mounting Of Transformers (AREA)
JP49054642A 1973-05-17 1974-05-17 Pending JPS5018925A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00361108A US3832600A (en) 1973-05-17 1973-05-17 Transformer internal fault detector

Publications (1)

Publication Number Publication Date
JPS5018925A true JPS5018925A (enrdf_load_stackoverflow) 1975-02-27

Family

ID=23420679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49054642A Pending JPS5018925A (enrdf_load_stackoverflow) 1973-05-17 1974-05-17

Country Status (2)

Country Link
US (1) US3832600A (enrdf_load_stackoverflow)
JP (1) JPS5018925A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6329262A (ja) * 1986-07-23 1988-02-06 Mitsubishi Electric Corp 変圧器の励磁突入電流検出方法

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL42142A (en) * 1973-04-30 1976-05-31 Tech Res & Dev Found Ltd A detector for detecting incipient phase-asymmetry
ES473457A1 (es) * 1978-09-18 1979-05-01 Arteche Instr Sistemas Mejoras introducidas en los sistemas de protecciones diferenciales de transformadores.
DE2905195C2 (de) * 1979-02-12 1985-04-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Differentialschutzeinrichtung
US4360849A (en) * 1981-03-04 1982-11-23 Rte-Asea Corporation Power distribution system
US5014153A (en) * 1989-02-01 1991-05-07 Basler Electric Company Transformer differential relay
US5417821A (en) * 1993-11-02 1995-05-23 Electric Power Research Institute Detection of fluids with metal-insulator-semiconductor sensors
US5591321A (en) * 1993-11-02 1997-01-07 Electric Power Research Institute Detection of fluids with metal-insulator-semiconductor sensors
US6494617B1 (en) 1999-04-30 2002-12-17 General Electric Company Status detection apparatus and method for fluid-filled electrical equipment
US6483680B1 (en) 1999-10-13 2002-11-19 General Electric Co. Magnetizing inrush restraint method and relay for protection of power transformers
JP3688221B2 (ja) * 2001-04-27 2005-08-24 ジェルパワー カンパニー リミテッド 変圧器の保護のための継電方法
DE50210346D1 (de) * 2002-03-26 2007-08-02 Abb Schweiz Ag Plausibilitätsprüfung von Stromwandlern in Unterstationen
CN110705031B (zh) * 2019-09-06 2021-07-06 西南交通大学 一种基于二阶泰勒系数的励磁涌流识别方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5111630U (enrdf_load_stackoverflow) * 1974-07-12 1976-01-28

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1400054A (en) * 1971-09-24 1975-07-16 Unisearch Ltd Protection of transformers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5111630U (enrdf_load_stackoverflow) * 1974-07-12 1976-01-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6329262A (ja) * 1986-07-23 1988-02-06 Mitsubishi Electric Corp 変圧器の励磁突入電流検出方法

Also Published As

Publication number Publication date
US3832600A (en) 1974-08-27

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