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提出了一种适用于电力系统紧急状况的分布式电压控制分区算法。首先建立详细的适用于分区算法的无功电压模型;然后通过建立与电压控制相关的系统运行特征向量,得到了包含若干典型事故、异常以及正常情况运行方式的样本集,并计算出对应的电压分区方案;在紧急情况时,采用模糊模式识别的方法,实时识别电力系统的实际运行状态,确定电压控制分区方案。仿真结果表明该电压控制分区算法在紧急情况下取得较好的效果。
A distributed voltage control partitioning algorithm suitable for power system emergency situations is proposed. First of all, a detailed reactive voltage model which is suitable for the partitioning algorithm is established. Then by setting up the system operation characteristic vector related to voltage control, a sample set containing several typical accidents, abnormalities and normal operating modes is obtained and the corresponding voltage Zoning program; in case of emergency, using fuzzy pattern recognition method, real-time identification of the actual operation of the power system to determine the voltage control zoning scheme. The simulation results show that the voltage control partitioning algorithm achieves good results in emergency.