多馈入直流同时换相失败案例分析及仿真计算

WANG Jing

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多馈入直流同时换相失败案例分析及仿真计算

更新时间：2025-08-13

- 多馈入直流同时换相失败案例分析及仿真计算
- Automation of Electric Power Systems Vol. 39, Issue 4, Pages: 141-146(2015)
- 作者机构：
  
  国家电力调度控制中心,北京市,100031
- 作者简介：
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- Published：2015
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WANG Jing. [J]. Automation of electric power systems, 2015, 39(4): 141-146.
DOI：

WANG Jing. [J]. Automation of electric power systems, 2015, 39(4): 141-146. DOI：

摘要

随着特高压直流工程的大规模建设，交直流系统之间与直流系统之间的关联越来越紧密。受端电网单一交流故障可能引发多直流同时换相失败，对送受端电网造成冲击。对一起因受端电网交流故障引发的多馈入直流同时换相失败故障案例，采用机电暂态仿真分析换相失败对送受端电网的影响，采用机电—电磁混合仿真方法分析多馈入直流系统间的相互影响，并确定故障可引起直流换相失败的交流线路范围，最后给出了相关建议。

Abstract

With the rapid development of the ultra high-voltage direct current（UHVDC）power transmission system，the correlation between AC and DC systems or between DC systems is becoming increasingly close.A single AC fault at the receiving end power grid may trigger simultaneous commutation failure in multi-infeed HVDC transmission systems，which will significantly impact both the sending and receiving end power grid.The paper presented a detailed analysis of an actual commutation failure in multi-infeed HVDC transmission systems caused by AC fault，the impact on the sending and receiving end power grid based on electromechanical transient simulation，the correlation effect of DC systems and the range of the AC fault that can trigger the commutation failure by means of electromagnetic transient and electromechanical transient hybrid simulation.Finally，relevant suggestions are made.

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Related Institution

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