摘要
近年来,微电网中的电能质量问题得到越来越多的关注,微电源中大量的逆变器和电网中越来越多的非线性负荷,使得谐波问题尤为突出。本文首先总结分析了微电网中主要的电能质量问题,然后针对微电网谐波抑制问题进行深入研究,以经济性和滤波装置的滤波效果综合函数作为寻优目标,利用改进的粒子群算法对微电网进行了滤波装置安装地点和参数的优化配置,提出了一种适用于微电网的有源与无源滤波装置优化配置方法,进行了仿真研究。算例分析表明,所提出方法既能满足电网对谐波电流和谐波电压畸变率的要求,也能满足滤波装置配置的经济性。
Main power quality problems in microgrid are summarized and analyzed, and further study is carried out for microgrid harmonic suppression by simulation. Economic efficiency and comprehensive filtering effect functions of filter are taken as the optimization targets, the filter installation location and parameter are optimized for the microgrid by using improved particle swarm algorithm, and an optimal configuration approach is proposed for active and passive filters of microgrid.
出处
《供用电》
2014年第9期55-59,4,共5页
Distribution & Utilization
