供电网典型非线性负载谐波特性分析  

Analysis and Evaluation of the Electrical Characteristics of Typical Nonlinear Loads in Power Supply Network

作　　者：费益军 徐卫文[2] 陈兵 金丽莉[3] 王宝安[3] 

机构地区：[1]江苏电力试验研究院有限公司,江苏南京211103 [2]江苏扬州供电公司,江苏扬州225009 [3]东南大学电气工程学院,江苏南京210096

出　　处：《江苏电机工程》2011年第1期1-4,共4页Jiangsu Electrical Engineering

摘　　要：近年,供电网谐波污染问题逐步成为关注的焦点。介绍了工业、商业和市政服务领域的典型非线性负载的谐波特性,建立电路模型,分析其工作原理,并利用仿真软件给出各种非线性负载输入侧电流波形及其频谱分析。结合现场调研测试,总结评估了典型非线性负载的谐波特性,并给出谐波治理的有效方案。In recent years,harmonic pollution issues gradually become the focus of attention in power supply network.The harmonic characteristics of the typical nonlinear loads in industrial,commercial and municipal service fields are introduced.This paper establishes the circuit models and analyzes the working principles of nonlinear loads in detail.The input current waveforms of various nonlinear loads and their spectrum analysis are also given using the simulation software.Based on the site investigation and testing,summary and evaluation of the harmonic characteristics of typical nonlinear loads,and the effective solutions of harmonic elimination are presented.

关 键 词：电能质量 非线性负载 谐波特性 谐波治理 

分 类 号：TM714[电气工程—电力系统及自动化]