• 首页|关于本刊|编委阵容|投稿指南|审稿指南|订阅指南|征稿启事|诚邀专家|学术道德|English
  • E-mail:
  • 密 码: 
  •    
  • 用户名:
  • 密 码: 
  •    
最新录用 更多>>
五开关H桥逆变器改进PWM调制方法的研究
Improved pulse width control method for five switches H bridge inverter
投稿时间:2018-09-30  修订日期:2018-11-23
DOI:
中文关键词:  五电平逆变器  五开关H桥逆变器  单级倍频  载波移相脉宽调制
英文关键词:five level inverter  five switches H-bridge inverter  unipolar frequency doubling  carrier phase shift pulse width modulation  
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目)
作者单位E-mail
叶满园 华东交通大学电气与自动化工程学院 yemanyuan1@163.com 
章俊飞 华东交通大学电气与自动化工程学院 897393765@qq.com 
陈乐 华东交通大学电气与自动化工程学院 1317615934@qq.com 
摘要点击次数: 286
全文下载次数: 0
中文摘要:
      针对传统级联五电平逆变器所需开关器件较多的问题,介绍了一种由一个辅助开关电路与H桥电路相结合的五开关H桥逆变器拓扑。并根据该拓扑结构工作原理的特点,对其PWM调制策略进行了研究,提出了一种基于载波移相脉宽调制的改进型PWM控制方法。该方法依据两单元H桥级联,通过单极倍频CPS-PWM调制方法得到五电平相电压的波形,并把该五电平电压波形作为五开关H桥逆变器的输出目标波形,再结合逆变器其四种工作模式来逆向推导出PWM脉冲信号。最后通过仿真和实验研究证明了该拓扑结构和控制方法的可行性和有效性。
英文摘要:
      In order to solve the problem that the traditional cascaded five-level inverter requires many switching devices, this paper introduces a five-switch h-bridge inverter topology that combines an auxiliary switching circuit with an h-bridge circuit. According to the characteristics of the working principle of this topology, the PWM modulation strategy is studied, and an improved PWM control method based on carrier phase-shifting pulse width modulation is proposed. According to the two-cell H bridge cascade, the waveform of five-level phase voltage is obtained by the single-pole frequency doubling cps-pwm modulation method, and the five-level voltage waveform is taken as the output target waveform of the five-switch h-bridge inverter. Finally, the feasibility and validity of the topology structure and control method are proved by simulation and experiment.
  查看/发表评论  下载PDF阅读器
关闭