利用满维灵敏度矩阵进行电压控制分区

Use Full-Dimensional Sensitivity Matrix to Carry on Voltage Control Area

针对电网进行电压分区问题,先对负荷节点分区,再人工将各电源节点依次归并到地理上与之相邻近的负荷节点所在区域,可使同一电网的分区结果因人而异。文中提出一种新的电压控制分区方法:先构造包含系统所有节点的满维灵敏度矩阵,再利用空间电气距离表征节点间的相似度,并采用基于ward簇间距离的凝聚层次聚类分析法对系统电压控制分区。这样可实现电源节点和负荷节点的同步分区,一次性得到分区结果。从仿真计算结果看,所提方法有效、可行。

The voltage control areas （VCA） for power grid are determined only by the load buses. And then the source buses are set into the nearest load bus areas artificially. So the result may be various with different people. A new method of VCA is proposed in this paper. Firstly, the full-dimensional sensitivity matrix is constructed, which includes the coupling information of all buses. Then the likeness among buses is indicated by electrical distance, and VCA is completed by using the method of condense administrative levels clustering analysis based on ward distance. So the power and load buses VCA can be gotten synchronously at the same time. Finally the efficiency and feasibility of the proposed method is verified by the simulation results.