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Smooth Switching Technique for Voltage Balance Management Based on Three-Level Neutral Point Clamped Cascaded Rectifier

Author

Listed:
  • Xu Peng

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

  • Xiaoqiong He

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

  • Pengcheng Han

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

  • Aiping Guo

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

  • Zeliang Shu

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

  • Shibin Gao

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

Abstract

This paper discussed the topology of in the three-level neutral point clamped cascaded rectifier (3LNPC-CR) for designing the Chinese Power Electronic Traction Transformer (PETT). To balance the DC-link voltage (Vdc) in 3LNPC-CR, a smooth switching technique is proposed in this paper. The controlling processes of each module are relatively independent when the proposed technique is applied in 3LNPC-CR. The proposed technique can keep the switching frequency constant and change the switch state smoothly while balancing Vdc. The Vdc balance ability is analyzed by calculating the unbalance degree of the loads. Simulation and experiment of three-module 3LNPC-CR are built, and then the effectiveness of the proposed technique is verified.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:10:p:803-:d:79794
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    References listed on IDEAS

    as
    1. 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. Xiaolin Wang & Ka Wai Eric Cheng & Yat Chi Fong, 2018. "Non-Equal Voltage Cell Balancing for Battery and Super-Capacitor Source Package Management System Using Tapped Inductor Techniques," Energies, MDPI, vol. 11(5), pages 1-12, April.
    2. Xiaoqiong He & Xiaolan Lin & Xu Peng & Pengcheng Han & Zeliang Shu & Shibin Gao, 2017. "Control Strategy of Single-Phase Three Level Neutral Point Clamped Cascaded Rectifier," Energies, MDPI, vol. 10(5), pages 1-16, April.
    3. Le Yu & Xu Peng & Shibin Gao, 2019. "Voltage-Balancing Strategy for Three-Level Neutral Point Clamped Cascade Converter under Sequence Pulse Modulation," Energies, MDPI, vol. 12(20), pages 1-17, October.
    4. Pengcheng Han & Xiaoqiong He & Yi Wang & Haijun Ren & Xu Peng & Zeliang Shu, 2018. "Harmonic Analysis of Single-Phase Neutral-Point-Clamped Cascaded Inverter in Advanced Traction Power Supply System Based on the Big Triangular Carrier Equivalence Method," Energies, MDPI, vol. 11(2), pages 1-16, February.
    5. 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.

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