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56 / 2023-10-06 09:44:42
Analysis on Pre-charging of Auxiliary Resonant Capacitor of Resonant DC Link Inverter
Resonant DC link,soft-switching inverter,auxiliary resonant capacitor,pre-charging progress,voltage change rate (dv/dt)
2.Power electronic technology and application > (1)、Power converter topologies and design
Final Paper
Si Li / Harbin Institute of Technology
Ming Yang / Harbin Institute of Technology
Tianyou Song / Harbin Institute of Technology
Dianguo Xu / Harbin Institute of Technology
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.

 
Important Date

  • Conference Date

    Dec 08

    2023

    to

    Dec 10

    2023

  • Nov 01 2023

    Draft paper submission deadline

  • Dec 10 2023

    Registration deadline

Sponsored By
IEEE IAS
Organized By
Southwest Jiaotong University (SWJTU)
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