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A hybrid modulation method for single-phase quasi-Z source inverter

  • Hao Zhang
  • , Baoming Ge
  • , Yushan Liu
  • , Haitham Abu-Rub
  • , Dongsen Sun
  • , Fang Z. Peng
  • Beijing Jiaotong University
  • Texas A&M University
  • Texas A&M University at Qatar
  • University of Texas at San Antonio
  • Michigan State University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Single-phase quasi-Z source inverter (qZSI) needs large capacitance, and its switching loss is high when controlled by traditional SPWM In this paper, a new modulation method for single-phase qZSI is proposed, which combines SPWM and pulse-width-amplitude modulation (PWAM), as a result of hybrid modulation. SPWM is employed at low dc-link voltage to avoid shoot-through state and act switching at low voltage stress; PWAM is used at high dc-link voltage to reduce switching actions. With the proposed hybrid modulation, switching actions and loss are reduced, also the required capacitance is significantly reduced. The simulation and experimental results verify the proposed hybrid modulation method. The lower size and higher efficiency are confirmed in the hybrid modulation controlled single-phase qZSI when compared to that with traditional SPWM.

源语言英语
主期刊名2014 IEEE Energy Conversion Congress and Exposition, ECCE 2014
出版商Institute of Electrical and Electronics Engineers Inc.
4444-4449
页数6
ISBN(电子版)9781479956982
DOI
出版状态已出版 - 11 11月 2014
已对外发布

出版系列

姓名2014 IEEE Energy Conversion Congress and Exposition, ECCE 2014

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