基于混合遗传算法的三相负荷不平衡无功就地补偿方法  

A Hybrid Genetic Algorithm Based Local Reactive Power Compensation Method for Unbalanced Three-phase Load

作　　者：邓海平 DENG Haiping(Guangdong Power Grid Co.,Ltd.Foshan Power Supply Bureau,Foshan 528000,GuangDong,China)

机构地区：[1]广东电网有限责任公司佛山供电局,广东佛山528000

出　　处：《电气传动自动化》2022年第6期15-18,10,共5页Electric Drive Automation

摘　　要：由于电力系统中负荷的不均匀分配,导致配电网中发生三相负荷不平衡状况,严重影响供电质量,提出基于混合遗传算法的三相负荷不平衡无功就地补偿方法。检测三相负荷,获取电力系统中的三相电流和三相电压,计算三相负荷不平衡度,筛选出三相不平衡负荷,确定无功就地补偿容量,基于混合遗传算法建立无功就地补偿数学模型,实现三相负荷不平衡无功就地补偿。仿真实验结果表明,本文所提方法可以快速、准确地补偿电力系统无功电流以及三相负荷不平衡,验证了此方法的有效性。Due to the uneven distribution of load in power system,three-phase load imbalance occurs in distribution network,which seriously affects the quality of power supply. A hybrid genetic algorithm based three-phase load imbalance reactive power compensation method is proposed. Detect the three-phase load,obtain the three-phase current and three-phase voltage in the power system,calculate the three-phase load imbalance,screen the threephase unbalanced load,determine the reactive power local compensation capacity,establish the reactive power local compensation mathematical model based on the hybrid genetic algorithm,and realize the three-phase load imbalance reactive power local compensation. The simulation results show that the proposed method can quickly and accurately compensate the reactive current and three-phase load imbalance of power system,and verify the effectiveness of this method.

关 键 词：三相负荷不平衡 无功就地补偿 混合遗传算法 负荷不平衡度 

分 类 号：TM761[电气工程—电力系统及自动化]