准确合理的运行方式组合方法对电力系统安全运行起着至关重要的作用。随着电网规模的不断扩大，传统运行方式组合方法难以适应现代电力系统复杂的网络结构。在分析对定值影响较大的典型网络拓扑结构变化的基础上，提出了基于拓扑辨识的运行方式组合新方法。算法根据4个判据针对性地选择对计算结果有较大影响的线路开断。通过算例，比较和分析了传统方式组合方法和基于拓扑辨识方式组合方法的整定结果，验证了本文方法的有效性。

Accurate and reasonable operation mode combination method is crucial to the power system’s secure operation. With the development of power system, the traditional operation mode combination method is difficult to fit the complex network structure of modern power system. Based on the analysis of typical network topology change, which has a relatively great effect on the relay setting, a new operation mode combination method grounded on topology identification is presented. The broken line which exerts a considerable impact on calculation results is pertinently selected by the algorithm in accordance with 4 criteria. The method is validated through an example and the performance of settings is compared.

基金项目：四川省应用基础研究项目(2007JY085)。

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