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<p>This study investigates the design and control of an electric vehicle (EV) charging station based on single-stage operation for the increasing number of 800&#xa0;V EVs. The proposed system ensures high-power and high-efficiency charging of 800&#xa0;V EVs, including an input-side low-frequency transformer, inductance-capacitance-inductance (LCL) filter, and three-level neutral-point clamped (T-NPC) converter that performs grid-side power-factor correction and real-time charging control of a vehicle. In addition, a vehicle-to-everything (V2X) function is implemented to enable power transfer from the vehicle to external systems through the bidirectionality of the T-NPC converter. The proposed system is validated through unit experiments and real battery experiments.</p>

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Design and Control of an EV Charging Station Based on Single-Stage Operation for 800 V EVs

  • 期刊论文

  • 发表日期：

    2025年8月19日

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  • Myeong-Jun Cha,
  • Jin-Su Jang,
  • Elysee Malon Harerimana,
  • Sang-Hyeok Lee,
  • Rae-Young Kim

摘要

This study investigates the design and control of an electric vehicle (EV) charging station based on single-stage operation for the increasing number of 800 V EVs. The proposed system ensures high-power and high-efficiency charging of 800 V EVs, including an input-side low-frequency transformer, inductance-capacitance-inductance (LCL) filter, and three-level neutral-point clamped (T-NPC) converter that performs grid-side power-factor correction and real-time charging control of a vehicle. In addition, a vehicle-to-everything (V2X) function is implemented to enable power transfer from the vehicle to external systems through the bidirectionality of the T-NPC converter. The proposed system is validated through unit experiments and real battery experiments.