电力系统自动化2011，Vol.35Issue(8)：67-71,5.
基于混合开关的三相双重整流桥电流型脉宽调制整流器
Three-phase PWM Current Source Rectifier Based on Dual Rectifier Bridges with Hybrid Switch
姜礼节 1吕征宇1
作者信息
- 1. 浙江大学电力电子国家专业实验室,浙江省杭州市,310027
- 折叠
摘要
Abstract
The importance of three-phase pulse width modulation (PWM) converter for improving power quality is clarified. And a powerful three-phase PWM current source rectifier based on dual rectifier bridges with hybrid switch is proposed. This rectifier uses silicon controlled rectifiers(SCR or thyristors) and controllable switches as well, to compose three-phase current source rectifier with PWM function. It can reduce cost of the high power rectifier meanwhile decrease input current total harmonic distortion (THD) and in favor of DC power control. The operation principle of this rectifier is also analyzed. The relationships between the working frequency of the circuit and the turn-off characteristic of the SCR, THD of the line current and the output voltage range are plotted, thus it provides the guidance of the novel rectifier design. The experimental results verify that THD of line current of the rectifier is less than 5%.关键词
谐波/电流型整流器/混合开关/双重整流桥/空间矢量调制Key words
harmonic/current source rectifier/hybrid switch/dual rectifier bridges/space vector modulation引用本文复制引用
姜礼节,吕征宇..基于混合开关的三相双重整流桥电流型脉宽调制整流器[J].电力系统自动化,2011,35(8):67-71,5.
