单相谐波和无功电流的快速检测方法  

Study on a Fast Detecting Method for Instantaneous Harmonic and Reactive Currents in Single-Phase Circuit

作　　者：王秀清[1] 申萍[1] 王卫安[1] 丁元早[1] 

机构地区：[1]北京交通大学电气工程学院,北京100044

出　　处：《机车电传动》2009年第1期60-61,75,共3页Electric Drive for Locomotives

基　　金：国家"863"计划项目(2006AA05Z248)

摘　　要：利用希尔伯特空间定义正交,提出了一种新的单相电路瞬时无功电流和谐波电流的检测方法,该方法算法简单且容易实现,可以实时准确地检测出基波无功电流或者各次谐波电流。仿真结果表明该方法能达到预期的效果。Appling Hilbert space to definite orthogonality, this paper presents a new method of detecting harmonic and reactive currents. The algorithm of this method is simple and can be realized easily. This method can precisely detect fundamental reactive current or harmonic currents instantaneously. The validity of the proposed approach has been proved by the simulation results.

关 键 词：希尔伯特空间 谐波电流检测 基波无功电流检测 

分 类 号：U223.6[交通运输工程—道路与铁道工程]