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EP2521145A4 - Method for predicting amount of copper sulfate produced in oil-filled electric derive, method for diagnosing occurrence of abnormal event, method for predicting initial concentration of dibenzyl disulfide in insulating oil, and method for diagnosing possibility of occurrence of abnormal event - Google Patents

Method for predicting amount of copper sulfate produced in oil-filled electric derive, method for diagnosing occurrence of abnormal event, method for predicting initial concentration of dibenzyl disulfide in insulating oil, and method for diagnosing possibility of occurrence of abnormal event

Info

Publication number
EP2521145A4
EP2521145A4 EP09852790.6A EP09852790A EP2521145A4 EP 2521145 A4 EP2521145 A4 EP 2521145A4 EP 09852790 A EP09852790 A EP 09852790A EP 2521145 A4 EP2521145 A4 EP 2521145A4
Authority
EP
European Patent Office
Prior art keywords
diagnosing
occurrence
abnormal event
predicting
oil
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.)
Withdrawn
Application number
EP09852790.6A
Other languages
German (de)
French (fr)
Other versions
EP2521145A1 (en
Inventor
Satoru Toyama
Kota Mizuno
Junji Tanimura
Fukutaro Kato
Tsuyoshi Amimoto
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
Publication of EP2521145A1 publication Critical patent/EP2521145A1/en
Publication of EP2521145A4 publication Critical patent/EP2521145A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/23—Corrosion protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)
EP09852790.6A 2009-12-28 2009-12-28 Method for predicting amount of copper sulfate produced in oil-filled electric derive, method for diagnosing occurrence of abnormal event, method for predicting initial concentration of dibenzyl disulfide in insulating oil, and method for diagnosing possibility of occurrence of abnormal event Withdrawn EP2521145A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/071739 WO2011080812A1 (en) 2009-12-28 2009-12-28 Method for predicting amount of copper sulfate produced in oil-filled electric derive, method for diagnosing occurrence of abnormal event, method for predicting initial concentration of dibenzyl disulfide in insulating oil, and method for diagnosing possibility of occurrence of abnormal event

Publications (2)

Publication Number Publication Date
EP2521145A1 EP2521145A1 (en) 2012-11-07
EP2521145A4 true EP2521145A4 (en) 2016-10-12

Family

ID=44226247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09852790.6A Withdrawn EP2521145A4 (en) 2009-12-28 2009-12-28 Method for predicting amount of copper sulfate produced in oil-filled electric derive, method for diagnosing occurrence of abnormal event, method for predicting initial concentration of dibenzyl disulfide in insulating oil, and method for diagnosing possibility of occurrence of abnormal event

Country Status (3)

Country Link
EP (1) EP2521145A4 (en)
JP (1) JP5516601B2 (en)
WO (1) WO2011080812A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5079936B1 (en) * 2011-11-28 2012-11-21 三菱電機株式会社 Diagnostic method for oil-filled electrical equipment
JP5329008B1 (en) * 2012-11-20 2013-10-30 三菱電機株式会社 Diagnosis and maintenance methods for oil-filled electrical equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009054155A1 (en) * 2007-10-26 2009-04-30 Mitsubishi Electric Corporation Method of inspecting oil-filled electrical apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161622A (en) * 1980-05-16 1981-12-12 Toshiba Corp Oil-immersed transformer
JPH0676635A (en) * 1992-08-31 1994-03-18 Mitsubishi Electric Corp Oil-immersed electric appliance
JPH07335446A (en) * 1994-06-14 1995-12-22 Mitsubishi Electric Corp Method of diagnosing insulating oil and oil-filled electric equipment
JP2001006946A (en) * 1999-06-21 2001-01-12 Mitsubishi Electric Corp Evaluation method of electric insulation oil and method of analyzing hetero compound including electric insulation oil
JP4494815B2 (en) * 2004-02-05 2010-06-30 三菱電機株式会社 Fluid charging diagnostic method and fluid charging suppression method for oil-filled electrical equipment
JP4994899B2 (en) * 2007-03-14 2012-08-08 三菱電機株式会社 Flow electrification diagnosis method for oil-filled electrical equipment
JP2009150742A (en) * 2007-12-20 2009-07-09 Tokyo Electric Power Co Inc:The Method for analysis of sulfoxide-type sulfur in insulating oil
JP2010010439A (en) * 2008-06-27 2010-01-14 Mitsubishi Electric Corp Method of estimating copper sulfide formation in oil-filled electric equipment, and method of diagnosing abnormality

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009054155A1 (en) * 2007-10-26 2009-04-30 Mitsubishi Electric Corporation Method of inspecting oil-filled electrical apparatus

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KAWARAI H ET AL: "Development of Quantitative Evaluation of Copper Sulfide Deposition on Insulating Paper", ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA, 2008. CEIDP 2008. ANNUAL REPORT CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 26 October 2008 (2008-10-26), pages 313 - 316, XP031417601, ISBN: 978-1-4244-2548-8 *
See also references of WO2011080812A1 *

Also Published As

Publication number Publication date
JPWO2011080812A1 (en) 2013-05-09
WO2011080812A1 (en) 2011-07-07
JP5516601B2 (en) 2014-06-11
EP2521145A1 (en) 2012-11-07

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