基于无功源控制空间的自动电压控制系统聚类分区方法及关键节点选择

自动电压控制(AVC)系统在降低电网损耗、维护电网稳定等方面发挥重要作用。在应用AVC系统时,需要对电网进行分区控制从而达到全局最优的控制目标。该文提出一种基于无功源控制空间的AVC系统聚类分区方法,在构建节点导纳矩阵、建立无功源控制空间的基础上,实现聚类分区。在完成分区后,选择中枢节点和临界节点作为子分区的关键节点。通过保证关键节点的电压水平稳定,实现输电网的可靠运行。

Automatic voltage control(AVC)system plays an important role in reducing power grid loss and maintaining power grid stability.In the application of AVC system,it is necessary to control the power grid in different regions to achieve the global optimal control goal.In this paper,a cluster partitioning method for AVC system based on reactive power control space is proposed.On the basis of constructing node admittance matrix and reactive power control space,cluster partitioning is realized.After the partitioning is completed,we selected the hub node and the critical node as the key nodes of the sub-partition.By ensuring the voltage level of key nodes is stable,the reliable operation of transmission network is realized.