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To meet the requirements of uniform and stable discharge plasma, high ionization efficiency and fast plasma diffusion, a bipolar 10 kV 1 kW high-voltage pulse power is designed with the adjustable amplitude and pulse width. The proposed scheme adopts SiC Buck-LLC topology, which can produce a controlled amplitude of 5 kV ~ 10 kV. As the SiC MOSFET rising edge is at ns level, the high precision pulse is realized to improve discharge stability. The 10 kV high-voltage pulse source simulation is built in MATLAB to verify the circuit principle and the prototype is built to verify the proposed topology.

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Design of High Voltage Pulse Generator Based on SiC Resonant Circuit in 10 kV Dielectric Barrier Discharges Applications

  • 会议论文

  • 发表日期：

    2025年

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  • Chaohui Cui,
  • Xirui Zhu,
  • Xin Wang,
  • Haoran Li,
  • Xinyue Guo,
  • Lidong Liu,
  • Cungang Hu

摘要

To meet the requirements of uniform and stable discharge plasma, high ionization efficiency and fast plasma diffusion, a bipolar 10 kV 1 kW high-voltage pulse power is designed with the adjustable amplitude and pulse width. The proposed scheme adopts SiC Buck-LLC topology, which can produce a controlled amplitude of 5 kV ~ 10 kV. As the SiC MOSFET rising edge is at ns level, the high precision pulse is realized to improve discharge stability. The 10 kV high-voltage pulse source simulation is built in MATLAB to verify the circuit principle and the prototype is built to verify the proposed topology.