一种含分布式电源的配电网网损分配算法  

A Loss Allocation Algorithm for Distribution Network with Distributed Generation

作　　者：贾亦珍 周丽卿 杨睿 刘育彤 王元 王友江 JIA Yi-zhen;ZHOU Li-qing;YANG Rui;LIU Yu-tong;WANG Yuan;WANG You-jiang(State Grid Qingyang Power Supply Company,Qingyang 745000 China)

机构地区：[1]国网庆阳供电公司,甘肃庆阳745000

出　　处：《自动化技术与应用》2024年第8期73-77,共5页Techniques of Automation and Applications

摘　　要：分布式电源(DG)的规模化接入已成为我国区域配电网发展的必然趋势和核心特征,输电网损耗分配方法难以直接应用于配电网。提出一种LA算法。该算法首先分别计算负荷和分布式电源对电力网络线路注入有功和无功功率,然后基于计算结果对配电网中负荷和分布式电源的损耗进行优化分配。具体来讲,在该算法中,需对不考虑分布式电源时,各个负荷产生的有功和无功线路损耗以及不考虑负荷线损时,各分布式电源上产生的有功和无功线路损耗分别进行计算,并基于归一化因子进行叠加,得出电力网络的总损耗,基于计算结果进行网损分配。最后将该算法与Z-bus算法、BCDM算法、PR算法的计算结果进行对比,验证了该算法的正确性和有效性。The large-scale access of distributed generation becomes an inevitable trend and core feature of the development of regional distribution network in China.The transmission network loss allocation method is difficult to be directly applied to the distribution network.A LA algorithm is proposed.The algorithm first calculates the active and reactive power injected into the power network lines by the load and the distributed generation(DG),and then optimizes the loss of the load and the distributed generation in the distribution network based on the calculation results.Specifically,in this algorithm,it is necessary to calculate the active and reactive line losses generated by each load without considering the distributed power supply and the active and reactive line losses generated by each distributed power supply without considering the load line loss.Based on the normalization factor,the total loss of the power network is obtained,and the network loss is distributed based on the calculation results.Finally,the algorithm is compared with the calculation results of Z-bus algorithm,BCDM algorithm and PR algorithm,and the correctness and effectiveness of the algorithm are verified.

关 键 词：配电网 分布式电源 损耗分配策略 LA算法 

分 类 号：TP183[自动化与计算机技术—控制理论与控制工程]