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To suppress the impact of pulsed load power on the power supply system, active capacitor converters (ACC) are connected in parallel with the output port of the DC-DC converter of the PPS to compensate for the AC component of the pulsed load power. Aiming at the problem of limited dynamic response speed of conventional voltage and current dual loop control strategy, which leads to significant output voltage drop and input current fluctuation in pulse power supply (PPS), a control strategy for the ACC with simplified virtual impedance is proposed in this paper. Finally, a prototype with a peak output power of 784W was established and tested under load conditions of 100Hz pulse repetition frequency (RPF) and 0.15 pulse duty cycle, verifying the effectiveness of the proposed control strategy.

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Pulsed Load Power Suppression Strategy Based on Simplified Virtual Impedance

  • 会议论文

  • 发表日期：

    2025年

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  • Jinfeng Wang,
  • Xi Chen,
  • Yusheng Peng,
  • Ping Yang

摘要

To suppress the impact of pulsed load power on the power supply system, active capacitor converters (ACC) are connected in parallel with the output port of the DC-DC converter of the PPS to compensate for the AC component of the pulsed load power. Aiming at the problem of limited dynamic response speed of conventional voltage and current dual loop control strategy, which leads to significant output voltage drop and input current fluctuation in pulse power supply (PPS), a control strategy for the ACC with simplified virtual impedance is proposed in this paper. Finally, a prototype with a peak output power of 784W was established and tested under load conditions of 100Hz pulse repetition frequency (RPF) and 0.15 pulse duty cycle, verifying the effectiveness of the proposed control strategy.