Design and Study of Insulation Margin Test System for Direct-type Lead Exit of Ultra-high Voltage Transformer

  • Hanwu Xiong
  • , Jianyi Wang
  • , Xueli Liu
  • , Jiantao Sun
  • , Jinzhong Li
  • , Lin Wang
  • , Ke Wang
  • , Shuqi Zhang
  • , Huanchao Cheng
  • , Xiaoqi Gong
  • , Wei Hu

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

3 Scopus citations

Abstract

An insulation margin test system for ultra-high voltage Direct-type lead exit is proposed, by using which the lead exit could be tested independently. The electric field calculation model including the lead exit and winding is established, and electric fields of those components within the test system is studied. Whilst, the electric field distributions of the lead exit installed in practical transformer or reactor are investigated. Of two cases, the electric fields and the insulation margin under operating of industrial voltage, lightning, switching, and long-time withstand are compared. The obtained calculated results verify the feasibility and reliability of the test system.

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

  • electric field distribution
  • insulation margin
  • lead exit
  • test device

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