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Analysis of Interruption Characteristics of DC Miniature Circuit Breaker with Different Structures

  • Yin Nan
  • , Lichang Wang
  • , Jinbao Zhu
  • , Yijun Deng
  • , Fang Liu
  • , Jianning Yin
  • , Tian Tian
  • , Xingwen Li
  • Ltd.
  • Ltd.
  • 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

9 引用 (Scopus)

摘要

Direct current (DC) miniature circuit breaker (MCB) is a crucial component for controlling and protecting the DC power system, especially in photovoltaic power generation system. In this paper, experiments under various current are carried out in different structures of DC MCB. Except arc current waveforms, the arc images during the interruption process are recorded by CCD. The interruption characteristics are analyzed. Also, a 2-D magneto-hydro-dynamic (MHD) model for the relevant MCB is developed. Based on the model, the effects of arc current, arc quenching chamber on the arc evolution process are analyzed. The experimental phenomena are well explained based on the simulation results. It is showed that the MCB with tilting contact has better breaking capacity due to the airflow acceleration effect of tilting contact, and the developed model could be used to optimize the design of the arc quenching chamber and contact system of DC MCB.

源语言英语
主期刊名Electrical Contacts 2019 - Proceedings of the 65th IEEE Holm Conference on Electrical Contacts, Holm 2019
出版商Institute of Electrical and Electronics Engineers Inc.
122-128
页数7
ISBN(电子版)9781728136844
DOI
出版状态已出版 - 9月 2019
活动65th IEEE Holm Conference on Electrical Contacts, Holm 2019 - Milwaukee, 美国
期限: 14 9月 201918 9月 2019

出版系列

姓名Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts
2019-September
ISSN(印刷版)0361-4395

会议

会议65th IEEE Holm Conference on Electrical Contacts, Holm 2019
国家/地区美国
Milwaukee
时期14/09/1918/09/19

联合国可持续发展目标

此成果有助于实现下列可持续发展目标:

  1. 可持续发展目标 7 - 经济适用的清洁能源
    可持续发展目标 7 经济适用的清洁能源

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