倪向萍;张雪敏;梅生伟;

• 1:国家电网公司交流建设分公司
• 2:电力系统及发电设备控制和仿真国家重点实验室(清华大学电机系)

摘要(Abstract)：

基于复杂网络的同步化控制理论,提出了一种用于暂态功角稳定的切机控制策略计算方法。首先将电力系统状态矩阵的对角元定义为相应发电机的同步能力系数,以反映发电机与网络之间的耦合强度;其次分析了短路故障和切机控制措施对各发电机同步能力系数的影响,并提出了切机地点有效性指标。基于此指标,提出了一种切机控制策略的计算方法,即利用电力系统的线性化模型,确定最佳切机地点和切机量,再利用电力系统的非线性模型进行切机控制策略的可行性校核,从而实现电力系统的暂态功角稳定控制。IEEE-9节点和IEEE-39节点系统的仿真分析证明了算法的有效性。

关键词(KeyWords)： 复杂网络;暂态功角稳定;切机地点有效性指标;切机控制策略;非线性校核

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划项目(973项目)(2004CB217902);; 国家自然科学基金项目(50525721)~~

作者(Author): 倪向萍;张雪敏;梅生伟;

Email:

DOI: 10.13335/j.1000-3673.pst.2010.09.033

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