|本期目录/Table of Contents|

[1]陈宏志,王旭,刘建昌,等.电网不平衡条件下PWM整流器的并联控制方法[J].电机与控制学报,2009,(05):702-707.
 CHEN Hong-zhi,WANG Xu,LIU Jian-chang.Parallel connection control method for the PWM rectifiers under unbalanced power grid voltage conditions[J].,2009,(05):702-707.
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电网不平衡条件下PWM整流器的并联控制方法(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
期数:
2009年05
页码:
702-707
栏目:
出版日期:
2009-09-15

文章信息/Info

Title:
Parallel connection control method for the PWM rectifiers under unbalanced power grid voltage conditions
作者:
陈宏志; 王旭; 刘建昌;
东北大学信息科学与工程学院;
Author(s):
CHEN Hong-zhi; WANG Xu; LIU Jian-chang
College of Information Science and Engineering; Northeastern University; Shenyang 110004; China
关键词:
整流器 谐波抑制 并联系统 电压不平衡
Keywords:
rectifiers harmonics suppression parallel systems voltage unbalance
分类号:
TM461
DOI:
-
文献标志码:
A
摘要:
针对电网不平衡的情况下三相电压型PWM整流器易产生交流电流和直流电压谐波的问题,提出采用两组PWM整流器并联形式的解决方案。一组作为主整流器,用以产生正序电流,另一组作为辅助整流器,用以产生负序电流,同时保证主、辅整流器输出到直流侧的瞬时功率之和不含交流分量。推导正、负序电流与电网正、负序电压及直流功率的关系,并设计出控制系统。建立基于Matlab的三相电压型PWM整流器的仿真平台对三相电压型PWM整流器在电网电压不平衡时不同负载工况的条件下进行充分仿真研究。仿真结果表明,本文所提出的方法能够将三相电压型PWM整流器的谐波抑制到电网平衡条件下的水平。
Abstract:
Under the unbalanced power grid voltage conditions,three-phase voltage source PWM rectifier would produce AC current and DC volts harmonics.To deal with this problem,a solution integrating two PWM rectifiers by parallel connection was presented.In this solution,one PWM rectifier served as main rectifier to produce positive sequence current,the other acted as assistant rectifier to produce negative sequence current.It was assured that the overall instantaneous power from the main rectifier and assistant rect...

参考文献/References:

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更新日期/Last Update: 2010-05-27