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An integrated decision-making method for condition assessment of power transformer

  • L. J. Sun
  • , H. W. Yuan
  • , B. Y. Zhang
  • , W. J. Zuo
  • , Z. Ma
  • , Y. W. Shang
  • Beihang University
  • State Grid Corporation of China

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Power transformer is a key equipment in the modern power system. With a view to eliminate the weakness and defects that exists in condition assessment for a power transformer, such as difficulty in tackling uncertain information, this paper proposes an integrated decision-making method for condition assessment of a power transformer using fuzzy set theory, Analytic Hierarchy Process (AHP), and evidence combination based on the distance of evidence. The integrated decision-making model relies on three factors: DGA data, oil testing data, and electrical testing data. The weights of characteristic quantity are obtained under the AHP method. In addition, the assessment results can be generated by the evidence combination based on the distance of evidence, which can avoid the error result facing conflict evidences. The case study shows that the integrated decision-making method is a reliable and effective tool to evaluate the condition of a power transformer.

Original languageEnglish
Title of host publicationAdvances in Power and Energy Engineering - Proceedings of the 8th Asia-Pacific Power and Energy Engineering Conference, APPEEC 2016
EditorsYuan Zhang Sun
PublisherCRC Press/Balkema
Pages501-506
Number of pages6
ISBN (Print)9781138028463
DOIs
StatePublished - 2016
Event8th Asia-Pacific Power and Energy Engineering Conference, APPEEC 2016 - Suzhou, China
Duration: 15 Apr 201617 Apr 2016

Publication series

NameAdvances in Power and Energy Engineering - Proceedings of the 8th Asia-Pacific Power and Energy Engineering Conference, APPEEC 2016

Conference

Conference8th Asia-Pacific Power and Energy Engineering Conference, APPEEC 2016
Country/TerritoryChina
CitySuzhou
Period15/04/1617/04/16

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