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Cooperation Scheme of DC 100 Hz Protection and AC Protection Based on Analysis of Converter Fault Characteristics

  • Lishuai Yin
  • , Guobing Song
  • , Junjie Hou
  • , Bing Guo
  • , Jiangtao Lv
  • , Jian Xue
  • , Liyang Yin
  • Xi'an Jiaotong University
  • Tianjin Electric Power Transmission and Transformation Engineering Corporation

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

Aiming at the traditional 100 Hz protection using a long delay strategy without considering the limitation of AC and DC side protection cooperation, an improved 100 Hz protection scheme is proposed. In this paper, according to the transfer characteristics and equivalent impedance of the AC/DC side of the converter, combined with the fault composite sequence network, a calculation method of 100 Hz component fault current is proposed. On this basis, through cooperation with the AC side protection settings and timing, an improved 100 Hz protection scheme with short delay capability is proposed. Simulation verification shows that the protection scheme can effectively identify the asymmetric fault and valve fault on the AC side of the fault, and can be used as remote backup protection for the AC side system.

源语言英语
主期刊名Proceedings of 2020 International Top-Level Forum on Engineering Science and Technology Development Strategy and The 5th PURPLE MOUNTAIN FORUM, PMF2020
编辑Yusheng Xue, Yuping Zheng, Anjan Bose
出版商Springer Science and Business Media Deutschland GmbH
页732-748
页数17
ISBN(印刷版)9789811597459
DOI
出版状态已出版 - 2021
活动International Top-Level Forum on Engineering Science and Technology Development Strategy and 5th PURPLE MOUNTAIN FORUM on Smart Grid Protection and Control, PMF2020 - Nanjing, 中国
期限: 15 8月 2020 → 16 8月 2020

出版系列

姓名Lecture Notes in Electrical Engineering
卷718
ISSN(印刷版)1876-1100
ISSN(电子版)1876-1119

会议

会议International Top-Level Forum on Engineering Science and Technology Development Strategy and 5th PURPLE MOUNTAIN FORUM on Smart Grid Protection and Control, PMF2020
国家/地区中国
市Nanjing
时期15/08/20 → 16/08/20

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