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首页> 外文期刊>Power Electronics, IET >Phase-shifted pulse-width-amplitude modulation for quasi-Z-source cascade multilevel inverter-based photovoltaic power system
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Phase-shifted pulse-width-amplitude modulation for quasi-Z-source cascade multilevel inverter-based photovoltaic power system

机译:基于准Z源级联多电平逆变器的光伏发电系统的相移脉宽幅度调制

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摘要

A phase-shifted pulse-width-amplitude modulation (PS-PWAM) is proposed for a quasi-Z-source cascade multilevel inverter (qZS-CMI)-based photovoltaic power system. The switching actions of each power device of the qZS-CMI in the PS-PWAM technique are greatly reduced when compared with that in the phase-shifted sinewave pulsewidth modulation, so the qZS-CMI's power loss is reduced when using the PS-PWAM. The PS-PWAM principle and the qZS-CMI's loss analysis are presented. The simulation and experimental results verify the proposed PS-PWAM and the resultant efficiency improvement.
机译:提出了一种基于准Z源级联多电平逆变器(qZS-CMI)的光伏发电系统相移脉宽幅度调制(PS-PWAM)。与相移正弦波脉宽调制相比,PS-PWAM技术中qZS-CMI的每个功率设备的开关动作都大大减少了,因此使用PS-PWAM时,qZS-CMI的功率损耗得以减少。介绍了PS-PWAM原理和qZS-CMI的损耗分析。仿真和实验结果验证了所提出的PS-PWAM及其效率的提高。

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  • 来源
    《Power Electronics, IET》 |2014年第6期|1444-1456|共13页
  • 作者单位

    School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, People's Republic of China|c|;

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  • 正文语种 eng
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