移相式 PWM 逆变器软开关分析与主电路改进  

Analysis of Soft switching and Main Circuit Improvement for Phase shifted PWM Inverter

作　　者：朱贤龙[1] 陈伯时[1] 龚幼民[1] 雷淮刚[1] 

机构地区：[1]上海大学

出　　处：《电力电子技术》1998年第1期29-31,25,共4页Power Electronics

摘　　要：介绍了移相式ＰＷＭ逆变工作原理和主电路的电压软开关工作过程，给出了通过改进主电路消除过电流尖峰的方法。应用结果表明，该电路具有开关损耗低、不产生显著的电磁干扰、可靠性高等优点。This paper presents the inverting principle of phase shifted pulse width modulation(PWM) and operating process of zero voltage switches.The way for eliminating the overcurrent peaks is given.Experiment proved this inverter has following characters, such as low switching loss,no remarkable electromagnetic interference and high operating reliability.

关 键 词：逆变器 脉宽调制 移相 电压 软开关 PWM 电路 

分 类 号：TM464.03[电气工程—电器]