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An Alterable Structure Power Router with General AC and DC Port for Microgrid Applications

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  • Gang Yao

    (Key Laboratory of Control of Power Transmission and Conversion (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, China
    Department of Electrical Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China)

  • Tao Zhang

    (Key Laboratory of Control of Power Transmission and Conversion (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, China
    Department of Electrical Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China)

  • Lidan Zhou

    (Key Laboratory of Control of Power Transmission and Conversion (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, China
    Department of Electrical Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China)

  • Qiang Li

    (State Grid Henan Electric Power Research Institute, Zhengzhou 450002, China
    State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400030, China)

  • Nan Jin

    (Department of Electrical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China)

Abstract

This paper proposes an alterable structure power router (PR) topology which shares the ability of general Alternating Current (AC) and Direct Current (DC) port. This alterable structure PR aims to better implement the interconnections among micro-grids, renewable energy, and traditional grids. The PR’s converter structure is alterable according to the system power. Based on the operation analysis of the PR, the mathematic model of the power router is established and the relationship between switch states and port voltage is analyzed. According to the PR mathematical model, the control method is designed to realize current control in both AC and DC mode. With the proposed power router topology, the PR’s port can be used in both AC and DC situations, which saves the cost of traditional PRs and increases economic efficiency. The simulation and experimental results prove the good steady-state and dynamic performance of the proposed power router topology.

Suggested Citation

  • Gang Yao & Tao Zhang & Lidan Zhou & Qiang Li & Nan Jin, 2019. "An Alterable Structure Power Router with General AC and DC Port for Microgrid Applications," Energies, MDPI, vol. 12(9), pages 1-19, May.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:9:p:1815-:d:230677
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    References listed on IDEAS

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    1. Alexandros Kordonis & Ryo Takahashi & Daichi Nishihara & Takashi Hikihara, 2015. "The Three-Phase Power Router and Its Operation with Matrix Converter toward Smart-Grid Applications," Energies, MDPI, vol. 8(4), pages 1-13, April.
    2. Francesc Girbau-Llistuella & Francisco Díaz-González & Andreas Sumper & Ramon Gallart-Fernández & Daniel Heredero-Peris, 2018. "Smart Grid Architecture for Rural Distribution Networks: Application to a Spanish Pilot Network," Energies, MDPI, vol. 11(4), pages 1-35, April.
    3. Ryo Takahashi & Yutaro Kitamori & Takashi Hikihara, 2013. "AC Power Local Network with Multiple Power Routers," Energies, MDPI, vol. 6(12), pages 1-11, December.
    4. Tsuguhiro Takuno & Yutaro Kitamori & Ryo Takahashi & Takashi Hikihara, 2011. "AC Power Routing System in Home Based on Demand and Supply Utilizing Distributed Power Sources," Energies, MDPI, vol. 4(5), pages 1-10, April.
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