基于改进前推回代的含分布式电源配电网潮流计算方法

Power Flow Calculation Method for Distribution Network with Distributed Generation Based on Improved Forward and Back Generation

分布式电源接入配电网增加了潮流分布方向的不确定性及电压水平的不稳定性,使得传统的前推回代法不再适用。该文主要对不同类型的分布式电源建立节点模型,并对前推回代方法进行改进,实现了含分布式电源的配电网潮流计算优化求解。并在仿真环境中针对不同类型节点、不同接入位置以及不同参数设置等多种情况进行仿真分析,通过与不含分布式电源情况对比,明显降低了配电网有功损耗和无功损耗,并且节点电压也得到了提高,验证了该文所述方法的可行性与有效性。

The access of distributed power sources to the distribution network increases the instability of power flow distribution and voltage levels,making the traditional forward-backward method no longer applicable.This paper establishes node models for different types of distributed power sources,and improves the forward-backward method to realize the optimal solution of power flow calculation for distribution networks with distributed power sources.In the simulation environment,simulation analysis is carried out for different types of nodes,different access locations and different parameters,etc.,which verifies the feasibility and effectiveness of the method described in this article.