基于改进d-q-0变换的UPQC中串联变流器研究  

Research on Series Convertor of Unified Power Quality Conditioner based on improved d-q-0 Transformation

作　　者：伏松平[1] 高沁翔[1] 于伟伟[1] 

机构地区：[1]北京交通大学,北京100044

出　　处：《电力电子技术》2009年第10期31-33,共3页Power Electronics

基　　金：北京交通大学校科研基金(KDQJ05006532)~~

摘　　要：用于配电系统中的三相四线制统一电能质量控制器(Unified Power Quality Conditioner,简称UPQC)是为了解决敏感用户端供电电压的电能质量问题和用户侧电能质量问题而研制的一种功能全面的有源电力滤波器(APF)。重点研究了UPQC中串联部分电压畸变的检测方法以及控制策略,并通过实验对常见的电压跌落进行补偿,结果表明检测方法是正确、有效的。Unified power quality conditioner （UPQC） used in three-phase four-line distribution system is an advanced power electronic device which can improve the power quality of supplying utility, restrain the harmonic and compensate the reactive power.This paper focuses on the study of detection method of voltage distortion and control strategies for series part of UPQC ,and the experimental result of the common voltage drop compensation demonstrates that the proposed detection method of voltage distortion is correct and valid.

关 键 词：变流器 补偿/坐标变换 统一电能质量控制器 电压跌落 

分 类 号：TM46[电气工程—电器]