配电网固定串联补偿多目标优化

周鑫; 王韶; 张文龙; 汪俊宇; 覃日升; 李胜男

引用本文:	周鑫,王韶,张文龙,等.配电网固定串联补偿多目标优化[J].电力系统保护与控制,2017,45(24):115-122.
	ZHOU Xin,WANG Shao,ZHANG Wenlong,et al.Multi-objective optimization of fixed series compensation in distribution network[J].Power System Protection and Control,2017,45(24):115-122

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配电网固定串联补偿多目标优化
周鑫¹,王韶²,张文龙²,汪俊宇²,覃日升¹,李胜男¹
(1.云南电网有限责任公司电力科学研究院，云南昆明 650217; 2.输配电装备及系统安全与新技术国家重点实验室(重庆大学)，重庆 400044)

摘要:

为了更好地利用固定串联补偿电容器改善网架薄弱、供电半径大以及长线路末端有重负荷配电网的电压偏差，研究了确定固定串联补偿电容器选址定容的多目标优化方法。以电压整体偏差、串联补偿容抗和有功网络损耗最小为目标建立配电网固定串联补偿多目标优化模型。基于灵敏度方法和固定串联电容器减小线路电压损耗的原理确定安装固定串联电容器候选线路和补偿容抗取值范围。运用带精英策略的快速非支配排序遗传算法求解建立的模型。算例验证了方法的可行性和有效性。结果表明串联电容器能够有效地提高电压质量和降低有功网络损耗。

关键词: 配电网固定串联补偿多目标优化带精英策略的快速非支配排序遗传算法

DOI：10.7667/PSPC161992

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基金项目:

Multi-objective optimization of fixed series compensation in distribution network

ZHOU Xin¹,WANG Shao²,ZHANG Wenlong²,WANG Junyu²,QIN Risheng¹,LI Shengnan¹

(1. Yunnan Power Grid Co., Ltd. Electric Power Research Institute, Kunming 650217, China;2. State Key Laboratory of Power Transmission Equipment & System Security and New Technology, (Chongqing University), Chongqing 400044, China)

Abstract:

In order to utilizefixed series capacitor more reasonably to improve the voltage deviations of the distribution network with weak structure, big radius of power supply and heavy load in the end of long feeder, the multi-objective optimizationmethod is researched on determining the location and size of the fixed series capacitor. A multi-objective model used for optimizing fixed series compensation condensance in the distribution network is built. The objective functions of the model are consisting of the minimum of integral voltage deviation, condensance of series capacitor and active network loss. Based on sensitivity method and the principle reducing the line voltage loss by fixed series capacitor, the candidate line for fixed series capacitor installation and calculate ranges of series compensation condensance are determined. Fast and elitist non-dominated sorting generic algorithm is used to solve the optimization model. The simulation examples validate the feasibility and effectiveness of the method. The results show that the series capacitor of the distribution network can effectively improve voltage quality and reduce active network losses.

Key words: distribution network fixed series compensation multi-objective optimization fast and elitist non-dominated sorting generic algorithm

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