李 刚（南京亚派科技实业有限公司，南京市　210005）

Study of Current Detection and Control Methods of Active Power Filter

Gu Chunning（Nanjing University of Posts and Telecommunications, Nanjing 210000，China）

Li Gang（Nanjing APEX Science & Technology Co., Ltd, Nanjing 210005，China）

Abstract The operating principle of active power filter is presented，and the current detection and control methods of active power filter by using simulation software PSCAD　/　EMTDC are simulated. It is shown by the simulated results that a good harmonic compensation effect can be achieved by current detection method and compensation current control method described in this article for active power filter.

Key words　Active power filter　Harmonic　Detection　Control　Simulation

摘　要　介绍有源电力滤波器的工作原理，用 PSCAD / EMTDC 仿真软件对有源电力滤波器电流的检测方法和控制方法进行了仿真。仿真结果表明，有源电力滤波器采用本文所述电流检测方法和补偿电流产生的控制方法具有很好的谐波补偿效果。

关键词　有源电力滤波器　谐波　检测　控制　仿真