摘要
为了有效解决电能质量问题,有必要对引起电能质量问题的扰动源进行定位,以便实现综合治理。本文建立含有两条负荷支路的电力系统仿真模型,采用FFT算法对用户端采集的电压、电流进行分析,得到两个主要的间谐波分量,通过计算功率因数,并根据其正负判断出用户端的闪变源,结果表明该方法简单易行。
It is necessary to distinguish the source of power quality disorder for settling power quality problem.In this paper,a power system simulation model of two load branches is built.Then FFT algorithm is used to get two primary inter-harmonic character parameters by analyzing the voltage and current signals collected from every load branch.The source of flicker is distinguished by judging positive and negative of power factor.The results show this method is effective.
出处
《电测与仪表》
北大核心
2010年第6期40-43,共4页
Electrical Measurement & Instrumentation
基金
南通市科技局应用基础研究资助项目(K2008003)
南通大学自然科学基金资助项目(08Z029)
