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This article first introduces the world's first power transfer strategy of ultra-high voltage hybrid multi-terminal DC project. Then, it analyzes a power coordination abnormal event during ultra-high voltage hybrid multi-terminal DC single-pole shutdown that occurs during on-site operation, proposes improvement measures and simulates to verify its correctness, which can provide theoretical support and practical reference for the design of new multi-terminal DC engineering control strategy, and can provide reference for the future power coordination program design of multi-terminal DC engineering.

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Cause Analysis and Improvement Measures of a Hybrid Multi-Terminal DC Power Coordination Abnormality

  • 会议论文

  • 发表日期：

    2026年

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  • Lei Long,
  • Jujian Pan,
  • Liyun Zha,
  • Wensong Tang,
  • Zongzhang Yang,
  • Yongbing Lv,
  • Zhiying Luo,
  • Yurong Song

摘要

This article first introduces the world's first power transfer strategy of ultra-high voltage hybrid multi-terminal DC project. Then, it analyzes a power coordination abnormal event during ultra-high voltage hybrid multi-terminal DC single-pole shutdown that occurs during on-site operation, proposes improvement measures and simulates to verify its correctness, which can provide theoretical support and practical reference for the design of new multi-terminal DC engineering control strategy, and can provide reference for the future power coordination program design of multi-terminal DC engineering.