The uncertainty of solar generation is a challenging issue for the operation and control of distribution systems. Also, because of the large number of control and operation variables in advanced distribution networks, the centralized optimization technique requires high computational capabilities. In this paper, a distributed voltage regulation approach in a distribution system based on the predictor corrector proximal multiplier (PCPM) algorithm has been presented. This paper focuses on the voltage rise in distribution systems with high penetration of photovoltaics. The proposed method uses a clustering approach to divide the network into partitions based on the coupling degrees among different nodes. The optimal reactive power control strategy is conducted in each partition and integrated using PCPM. The proposed method is tested on 69 and 123 nodes IEEE distribution test systems. The results confirmed that the proposed method achieves the optimal solution with the same accuracy as the centralized method but in a much shorter computation time.

对于配电系统的运行和控制，太阳能发电的不确定性是一个具有挑战性的问题。同样，由于高级配电网络中大量的控制和操作变量，集中式优化技术需要很高的计算能力。本文提出了一种基于预测器校正器近端乘数（PCPM）算法的配电系统分布式电压调节方法。本文着重于具有高光伏渗透率的配电系统中的电压上升。所提出的方法使用聚类方法基于不同节点之间的耦合度将网络划分为多个分区。最佳无功功率控制策略在每个分区中进行，并使用PCPM进行集成。所提出的方法在69和123个节点的IEEE分布测试系统上进行了测试。结果证实，所提出的方法以与集中化方法相同的精度实现了最优解，但计算时间却大大缩短了。