电力系统暂态稳定性概率评估方法研究STUDY ON PROBABILISTIC ASSESSMENT METHOD FOR POWER SYSTEM TRANSIENT STABILITY
崔凯,房大中,钟德成
摘要(Abstract):
传统的暂态稳定性分析方法难以反映电力系统故障的随机特性。暂态稳定评估的概率方法是对传统方法的重要补充,但其计算量较大。文章通过分析故障切除时间的统计特性和不同类型故障的严重程度提出了基于归一化暂态能量函数的暂态稳定性概率评估策略。该策略只需对系统中的一小部分严重故障进行暂态稳定性计算,因而能够极大地提高暂态稳定概率分析的效率。文章通过新英格兰10机39节点典型系统的算例说明了该评估策略的有效性和实用性。
关键词(KeyWords): 暂态稳定;概率分析;归一化暂态能量函数;电力系统
基金项目(Foundation): 国家自然科学基金资助项目(50377028);; 香港政府大学研究基金资助项目(PolyU5204/03E)。 ~~
作者(Author): 崔凯,房大中,钟德成
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参考文献(References):
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