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Calculation of the short-time withstand current for air circuit breaker

  • Honggang Xiang
  • , Degui Chen
  • , Xingwen Li
  • , Liang Ji
  • , Weixiong Tong
  • Xi'an Jiaotong University

科研成果: 书/报告/会议事项章节会议稿件同行评审

6 引用 (Scopus)

摘要

In the optimization design of contact system for the air circuit breaker (ACB), it is important to calculate the short-time withstand current. Introducing the contact bridges to describe contact spots between movable and fixed contacts, transient analysis is carried out by coupling electromagnetic field and thermal field to parallel contact systems, where nonlinear of ferromagnetic splitter plates and properties of conduct material varying with temperature are under consideration. In each time step of calculation, the cross-sectional areas of the contact bridges are changed with the contact forces by Holm formula. The proposed method could be used to analyze the short-time withstand current of ACB.

源语言英语
主期刊名Electrical Contacts 2007
主期刊副标题Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts
251-255
页数5
DOI
出版状态已出版 - 2007
活动53rd IEEE Holm Conference on Electrical Contacts, Holm 2007 - Pittsburgh, PA, 美国
期限: 16 9月 200719 9月 2007

出版系列

姓名Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts
ISSN(印刷版)0361-4395

会议

会议53rd IEEE Holm Conference on Electrical Contacts, Holm 2007
国家/地区美国
Pittsburgh, PA
时期16/09/0719/09/07

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