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Energy Storage Characteristic Analysis of Voltage Sags Compensation for UPQC Based on MMC for Medium Voltage Distribution System

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Listed:
  • Yongchun Yang

    (State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Baoding 071003, China)

  • Xiangning Xiao

    (State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China)

  • Shixiao Guo

    (State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Baoding 071003, China)

  • Yajing Gao

    (State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Baoding 071003, China)

  • Chang Yuan

    (State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China)

  • Wenhai Yang

    (School of Economy and Management, North China Electric Power University, Beishi District, Baoding 071003, China)

Abstract

The modular multilevel converter (MMC), as a new type of voltage source converter, is increasingly used because it is a distributed storage system. There are many advantages of using the topological structure of the MMC on a unified power quality controller (UPQC), and voltage sag mitigation is an important use of the MMC energy storage system for the power quality compensation process. In this paper, based on the analysis of the topology of the MMC, the essence of energy conversion in a UPQC of voltage sag compensation is analyzed; then, the energy storage characteristics are calculated and analyzed to determine the performance index of voltage sag compensation; in addition, the simulation method is used to verify the voltage sag compensation characteristics of the UPQC; finally, an industrial prototype of the UPQC based on an MMC for 10 kV of medium voltage distribution network has been developed, and the basic functions of UPQC have been tested.

Suggested Citation

  • Yongchun Yang & Xiangning Xiao & Shixiao Guo & Yajing Gao & Chang Yuan & Wenhai Yang, 2018. "Energy Storage Characteristic Analysis of Voltage Sags Compensation for UPQC Based on MMC for Medium Voltage Distribution System," Energies, MDPI, vol. 11(4), pages 1-17, April.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:4:p:923-:d:140945
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    Citations

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    Cited by:

    1. Xiaojun Zhao & Xiuhui Chai & Xiaoqiang Guo & Ahmad Waseem & Xiaohuan Wang & Chunjiang Zhang, 2021. "Impedance Matching-Based Power Flow Analysis for UPQC in Three-Phase Four-Wire Systems," Energies, MDPI, vol. 14(9), pages 1-17, May.
    2. Alexandre Serrano-Fontova & Pablo Casals Torrens & Ricard Bosch, 2019. "Power Quality Disturbances Assessment during Unintentional Islanding Scenarios. A Contribution to Voltage Sag Studies," Energies, MDPI, vol. 12(16), pages 1-21, August.
    3. Zhaobin Du & Zhuo Chen & Guanquan Dai & Mohammed Yaqoob Javed & Chuanyong Shao & Haoqin Zhan, 2019. "Influence of DVR on Adjacent Load and Its Compensation Strategy Design Based on Externality Theory," Energies, MDPI, vol. 12(19), pages 1-19, September.
    4. Yuanqian Ma & Xianyong Xiao & Ying Wang, 2018. "Investment Strategy and Multi–Objective Optimization Scheme for Premium Power under the Background of the Opening of Electric Retail Side," Energies, MDPI, vol. 11(8), pages 1-25, August.

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