基于ACS-BAS算法的配电网无功优化

Reactive Power Optimization of Distribution Network Based on ACS-BAS Algorithm

为了解决传统无功优化方法计算量大、易陷于维数多的问题,笔者提出一种采用局部电压稳定指标与改进天牛须搜索算法相结合的无功优化算法。首先,通过局部电压稳定指标确定系统薄弱负荷节点,根据电气距离对选定的负荷节点划分为不同的候选补偿区域;然后,采用改进天牛须搜索算法确定补偿点与补偿容量;最后,在MATLAB中采用IEEE33节点系统进行仿真验证。结果表明,该方法确定的补偿区域合理有效,改进天牛须搜索算法计算量更小,计算速度更快,为配电网无功优化提供新思路。

In order to solve the problem of large amount of calculation and large dimension in traditional reactive power optimization method, a reactive power optimization algorithm based on local voltage stability index and improved beetle antennae search algorithm is proposed. Firstly, the weak load nodes of the system are determined by the local voltage stability index, and the selected load nodes are divided into different candidate compensation regions according to the electrical distance;Then, the improved beetle antennae search algorithm is used to determine the compensation point and compensation capacity;Finally, IEEE33 node system is used for simulation verification in MATLAB. The results show that the compensation area determined by this method is reasonable and effective, and the improved beetle antennae search algorithm has less calculation and faster calculation speed, which provides a new idea for reactive power optimization of distribution network.