电器与能效管理技术Issue(2)：33-38,6.DOI:10.16628/j.cnki.2095-8188.2024.02.006
适用于Vienna整流器的非连续脉宽调制
Discontinuous Pulse Width Modulation Suitable for Vienna Rectifier
庄庆旭 1刘海勋2
作者信息
- 1. 浙江大汽新能源有限公司,浙江温州 325000
- 2. 合肥工业大学,安徽 合肥 230009
- 折叠
摘要
Abstract
With its advantages of high power density and high reliability,Vienna rectifier is widely used in communication power supply and electric vehicle charging and other high-voltage high-power situations.In order to realize the power factor correction(PFC)circuit characteristics of Vienna rectifier,the AC side current should be controlled as a sine wave with the same frequency and phase as the grid voltage to reduce the zero crossing distortion of the current.To further improve the power density of Vienna rectifier,switching losses should be reduced as much as possible.From the perspective of space vector,the space vector modulation strategy applicable to Vienna is analyzed.According to different control targets,discontinuous pulse width modulation(DPWM)is proposed to reduce the maximum switching loss and the zero crossing distortion of the current.Finally,the two proposed DPWM strategies are compared with SVPWM strategy through simulation.The feasibility and superiority of the two proposed DPWM strategies are verified.关键词
Vienna整流器/电流过零畸变/非连续脉宽调制/开关损耗Key words
Vienna rectifier/zero-crossing distortion of current converter/discontinuous pulse width modulation(DPWM)/switching loss分类
信息技术与安全科学引用本文复制引用
庄庆旭,刘海勋..适用于Vienna整流器的非连续脉宽调制[J].电器与能效管理技术,2024,(2):33-38,6.
