穆子龙;李兴源;王渝红;

• 1:四川大学电气信息学院

摘要(Abstract)：

在单回高压直流输电系统谐波不稳定问题的研究基础上,利用开关函数对换流器的调制作用进行了进一步的理论推导,从电路原理的角度对谐波通过直流换流器在交流系统和两回直流系统之间来回传递的全过程进行整体考虑,提出了一种判断系统是否发生谐波不稳定的新判据。基于新判据的频率扫描分析结果与电磁暂态故障仿真结果吻合,表明该判据能够很好地评估两回高压直流并行输电系统送端发生谐波不稳定的风险。

关键词(KeyWords)： 谐波不稳定;低次谐波谐振;两回高压直流并行输电;频率扫描;电磁暂态仿真

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金重点项目(51037003);; 四川省科技厅基础应用计划(2010JY0018)~~

作者(Author): 穆子龙;李兴源;王渝红;

Email:

DOI: 10.13335/j.1000-3673.pst.2012.11.036

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