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Comparison between Thermal-Circuit Model and Finite Element Model for Dry-Type Transformer

  • Yifan Chen
  • , Changgeng Zhang
  • , Yongjian Li
  • , Zhiwei Zhang
  • , Wenliang Ying
  • , Qingxin Yang
  • Hebei University of Technology
  • Ohio State University
  • TBEA Tianjin Transformers Company Ltd.
  • Tianjin University of Technology

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

Abstract

Excessive internal temperature of dry-type transformer with foil windings will accelerate insulation aging and greatly reduce the life-span of transformer. In this paper, a dry-type transformer with low voltage foil windings and high voltage wire windings have been modelled as a simplified equivalent thermal-circuit model, which can improve the computation efficiency. On the basis of this model, the distribution of the internal steady state temperature field obtained by using the finite element simulation is in agreement with the calculation results of the equivalent thermal-circuit model.

Original languageEnglish
Title of host publication2019 22nd International Conference on Electrical Machines and Systems, ICEMS 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728133980
DOIs
StatePublished - Aug 2019
Externally publishedYes
Event22nd International Conference on Electrical Machines and Systems, ICEMS 2019 - Harbin, China
Duration: 11 Aug 201914 Aug 2019

Publication series

Name2019 22nd International Conference on Electrical Machines and Systems, ICEMS 2019

Conference

Conference22nd International Conference on Electrical Machines and Systems, ICEMS 2019
Country/TerritoryChina
CityHarbin
Period11/08/1914/08/19

Keywords

  • dry-type transformer
  • FEM
  • temperature rise
  • thermal-circuit method

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