Analysis on Pre-charging of Auxiliary Resonant Capacitor of Resonant DC Link Inverter
编号:26 访问权限:仅限参会人 更新:2023-11-20 13:45:34 浏览:205次 口头报告

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摘要
Based on the resonant DC link inverter with energy feedback function, in order to overcome the problem of voltage change rate (dv/dt) increase caused by the auxiliary resonant capacitor not being charged to the power supply voltage during its operation, this paper analyzes its pre-charging process in detail. When the energy stored in the auxiliary resonant inductor is not enough to charge the auxiliary resonant capacitor to the power supply voltage, the latter will not immediately participate in the resonance process, resulting in an increase in the voltage change rate at both ends of the bus and main switches. Under this condition, the working mode of this soft-switching inverter is given, and the parameters are designed to suppress the increase of voltage change rate. Finally, the correctness of theoretical analysis is proved by comparing the waveforms of switches under different resonance parameters.
 
关键词
Resonant DC link,soft-switching inverter,auxiliary resonant capacitor,pre-charging progress,voltage change rate (dv/dt)
报告人
Si Li
doctoral candidate Harbin Institute of Technology

稿件作者
Si Li Harbin Institute of Technology
Ming Yang Harbin Institute of Technology
Tianyou Song Harbin Institute of Technology
Dianguo Xu Harbin Institute of Technology
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重要日期
  • 会议日期

    12月08日

    2023

    12月10日

    2023

  • 11月01日 2023

    初稿截稿日期

  • 12月10日 2023

    注册截止日期

主办单位
IEEE IAS
承办单位
Southwest Jiaotong University (SWJTU)
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