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A Bus-Sectionalized Hybrid AC/DC Microgrid: Concept, Control Paradigm, and Implementation

Author

Listed:
  • Jing Li

    (Department of Information and Electrical Engineering, Zhejiang University City College, Hangzhou 310000, China
    These authors contributed equally to this work.)

  • Hongda Cai

    (Department of Information and Electrical Engineering, Zhejiang University City College, Hangzhou 310000, China
    These authors contributed equally to this work.)

  • Pengcheng Yang

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310000, China)

  • Wei Wei

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310000, China)

Abstract

In the last several years, the coordination control of hybrid AC/DC microgrids (HMGs) has been gaining increasingly more attention. However, most of these discussions are focused on single-bus HMGs whose AC or DC bus is not sectionalized by AC or DC breakers. Compared with these single-bus HMGs, the bus-sectionalized HMG has more flexible topologies, more diverse operation modes, and consequently higher service reliability. However, meanwhile, these benefits also bring challenges to the stable operation of bus-sectionalized HMGs, particularly for mode switching. Relying on the national HMG demonstrative project in Shaoxing, China, this paper makes efforts to present the hierarchical control paradigm of a typical bus-sectionalized HMG toward standardization. The test results demonstrate that the proposed system provides seamless switching and uninterrupted power supply without controller reconfiguration among different operation modes. The operational data are also brought forth and analyzed to provide significant and useful experiences for designing and developing similar HMGs in the future.

Suggested Citation

  • Jing Li & Hongda Cai & Pengcheng Yang & Wei Wei, 2021. "A Bus-Sectionalized Hybrid AC/DC Microgrid: Concept, Control Paradigm, and Implementation," Energies, MDPI, vol. 14(12), pages 1-24, June.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:12:p:3508-:d:574107
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    Citations

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    Cited by:

    1. Shumei Chi & Zhipeng Lv & Lan Liu & Yang Shan, 2021. "Free Switching Control Strategy for Multi-Operation Modes of Multi-Port Energy Router in Distribution Area," Energies, MDPI, vol. 14(23), pages 1-24, November.
    2. Thanh Hai Nguyen & Tan Luong Van & Asif Nawaz & Ammar Natsheh, 2021. "Feedback Linearization-Based Control Strategy for Interlinking Inverters of Hybrid AC/DC Microgrids with Seamless Operation Mode Transition," Energies, MDPI, vol. 14(18), pages 1-17, September.
    3. Łukasz Rokicki, 2021. "Optimization of the Configuration and Operating States of Hybrid AC/DC Low Voltage Microgrid Using a Clonal Selection Algorithm with a Modified Hypermutation Operator," Energies, MDPI, vol. 14(19), pages 1-24, October.

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