三相不对称非线性负载情况下的畸变电流检测  

A DETECTING METHOD OF CURRENT DISTORTION UNDER THECONDITION OF UNBALANCED NONLINEAR LOADS

作　　者：高大威[1] 孙孝瑞[1] 

机构地区：[1]华北电力大学电力工程系,北京100085

出　　处：《电力系统自动化》2000年第13期45-47,共3页Automation of Electric Power Systems

摘　　要：有源电力滤波器要求其检测系统能对畸变电流准确、快速地进行检测 ,而传统的检测方法 ,其检测原理或实现方法都存在一些不足。文中基于神经网络理论 ,提出了一种可用于三相不对称非线性负载情况下的畸变电流检测方法。该方法可实时、准确地检测三相不对称非线性负载电流中的畸变电流 ,并能自适应跟踪负载电流的变化等。f Active power filter requires its currents detecting system to be of high accuracy and rapid detection for currentdistortion. Principles and realization of traditional detection methods have deficiencies. This paper proposes a detectingmethod of current distortion based on neural network, which can be used under the condition of unbalanced nonlinear loads.The method has some advantages. such as real time detection. high accuracy. adaptability to load currents and so on. Theresults of the theoretical analysis and computer simulation confirm the feasibility of the method.

关 键 词：畸变电流 检测 非线性负载 有源电力滤波器 

分 类 号：TM935.24[电气工程—电力电子与电力传动]