广东电力2018，Vol.31Issue(12)：41-48,8.DOI:10.3969/j.issn.1007-290X.2018.012.006
一种简化的三相电流型PWM整流器控制方法
A Simplified control Method for Three-Phase Current-source PWM Rectifier
陈良1
作者信息
- 1. 西安工程大学 电子信息学院, 陕西 西安 710048
- 折叠
摘要
Abstract
Three-phase current-source PWM rectifier generally adopts three-valued logic SPWM modulation method which is to keep at least three sw itches in PWM control state in any time interval at the same time and set overlap time.In order to simplify control process of the rectifier, this paper presents a kind of control method for three-phase current-source rectifier that only needs one sw itch tube for PWM control in any time interval w hile w ithout need for overlap time but open-loop control.It analyzes principle of the simplified modulation method, provides structure of the control system and the control strategy and makes theoretical calculation on system performance.Relevant theoretical calculation indicates the total harmonic distortion rate of phase current is 4.64％and pow er factor is 0.999.Simulation research has verified correctness and effectiveness of this method.关键词
电流型PWM整流器/叠流时间/开环控制/开关频率Key words
current-source PWM rectifier/overlap time/open-loop control/switch frequency分类
信息技术与安全科学引用本文复制引用
陈良..一种简化的三相电流型PWM整流器控制方法[J].广东电力,2018,31(12):41-48,8.
