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Comparison of SiC and GaN devices for front-end isolation of quasi-Z-source cascaded multilevel photovoltaic inverter

  • Yushan Liu
  • , Baoming Ge
  • , Haitham Abu-Rub
  • , Haiyu Zhang
  • , Robert S. Balog

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

The wide band-gap Silicon Carbide (SiC) and gallium nitride (GaN) materials based semiconductor devices have attracted tremendous attentions in modern power electronics applications. They provide much higher switching frequency and higher junction temperature than silicon power devices, thus to significantly decrease the system volume and weight, especially on passive components. In this paper, the characteristics of the SiC and GaN materials and devices are overviewed. A front-end isolated quasi-Z-source cascade multilevel inverter (qZS-CMI) based Photovoltaic (PV) power system is proposed to insulate the PV array from high voltage grid and make possible of PV grounding, thus to enhance the system reliability and safety. The SiC and GaN devices applied to the front-end isolation of qZS inverter module are compared. Experimental results verify the proposed front-end isolated qZS-CMI and comparison results, demonstrating a competitive solution for the future development of such inverters.

源语言英语
主期刊名ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9781509007370
DOI
出版状态已出版 - 2016
已对外发布
活动2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016 - Milwaukee, 美国
期限: 18 9月 201622 9月 2016

出版系列

姓名ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings

会议

会议2016 IEEE Energy Conversion Congress and Exposition, ECCE 2016
国家/地区美国
Milwaukee
时期18/09/1622/09/16

联合国可持续发展目标

此成果有助于实现下列可持续发展目标:

  1. 可持续发展目标 7 - 经济适用的清洁能源
    可持续发展目标 7 经济适用的清洁能源

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