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Due to the impact of distributed power supply access to the distribution network on system vulnerability, in order to meet the requirements of reliably transmitting power to users. First, the vulnerability analysis index suitable for non-synchronous machine power supply, namely voltage support strength, is introduced, and this index is used to conduct vulnerability analysis of the distribution network. Secondly, the impact of distributed power supply access on the vulnerability of the urban load center distribution network is discussed, and the key nodes of vulnerability of the urban load center distribution network are screened out. Finally, the node operation analysis is performed to provide suggestions for the operation of the urban load center distribution network. This analysis is performed in PSCAD using real-world urban load center distribution network data in China.

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Research on the Selection of Keynodes of Urban Load Center Vulnerability

  • 会议论文

  • 发表日期：

    2025年

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  • Wenbin Liu,
  • Lisheng Li,
  • Yang Liu,
  • Xiangyu Wen,
  • Haidong Yu,
  • Ying Wu

摘要

Due to the impact of distributed power supply access to the distribution network on system vulnerability, in order to meet the requirements of reliably transmitting power to users. First, the vulnerability analysis index suitable for non-synchronous machine power supply, namely voltage support strength, is introduced, and this index is used to conduct vulnerability analysis of the distribution network. Secondly, the impact of distributed power supply access on the vulnerability of the urban load center distribution network is discussed, and the key nodes of vulnerability of the urban load center distribution network are screened out. Finally, the node operation analysis is performed to provide suggestions for the operation of the urban load center distribution network. This analysis is performed in PSCAD using real-world urban load center distribution network data in China.