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A High-Power-Density Single-Phase Rectifier Based on Three-Level Neutral-Point Clamped Circuits

Author

Listed:
  • Tao Zhou

    (School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Zeliang Shu

    (School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Hongjian Lin

    (School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Deng Luo

    (School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Yajun Chen

    (State Grid Suining Power Supply Company, Suining 629000, China)

  • Xiaoxiao Guo

    (Monolithic Power Systems, Shenzhen 518000, China)

Abstract

A single-phase three-level converter is suitable for medium-power applications, with an interface voltage that is higher than that of a traditional two-level configuration. The three-level neutral-point clamped converter is adopted using four switches in each bridge arm, which, compared to a two-level rectifier, leads to less voltage stress, a lower switching frequency, and switching loss on switches. The transient current control strategy is designed to control the active power. The single-phase space vector pulse width modulation (SVPWM) with a voltage balance strategy is designed to solve the neutral point voltage fluctuation problem and keep the dc-link voltage stable. A 1.3 kW high-power-density prototype based on SiC MOSFET was built and tested. The experimental results verified the high performance of steady-state and dynamic responses.

Suggested Citation

  • Tao Zhou & Zeliang Shu & Hongjian Lin & Deng Luo & Yajun Chen & Xiaoxiao Guo, 2017. "A High-Power-Density Single-Phase Rectifier Based on Three-Level Neutral-Point Clamped Circuits," Energies, MDPI, vol. 10(5), pages 1-11, May.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:5:p:697-:d:98744
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    References listed on IDEAS

    as
    1. Xu Peng & Xiaoqiong He & Pengcheng Han & Aiping Guo & Zeliang Shu & Shibin Gao, 2016. "Smooth Switching Technique for Voltage Balance Management Based on Three-Level Neutral Point Clamped Cascaded Rectifier," Energies, MDPI, vol. 9(10), pages 1-16, October.
    2. Xiaoqiong He & Aiping Guo & Xu Peng & Yingying Zhou & Zhanghai Shi & Zeliang Shu, 2015. "A Traction Three-Phase to Single-Phase Cascade Converter Substation in an Advanced Traction Power Supply System," Energies, MDPI, vol. 8(9), pages 1-15, September.
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    Cited by:

    1. Jorge Lara & Lesedi Masisi & Concepcion Hernandez & Marco A. Arjona & Ambrish Chandra, 2021. "Novel Single-Phase Grid-Tied NPC Five-Level Converter with an Inherent DC-Link Voltage Balancing Strategy for Power Quality Improvement," Energies, MDPI, vol. 14(9), pages 1-22, May.

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