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Comparative Study of the Transmission Capacity of Grid-Forming Converters and Grid-Following Converters

Author

Listed:
  • Bojun Kong

    (State Grid Yangzhou Power Supply Company, Yangzhou 210019, China)

  • Jian Zhu

    (State Grid Yangzhou Power Supply Company, Yangzhou 210019, China)

  • Shengbo Wang

    (State Grid Yangzhou Power Supply Company, Yangzhou 210019, China)

  • Xingmin Xu

    (State Grid Yangzhou Power Supply Company, Yangzhou 210019, China)

  • Xiaokuan Jin

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Junjie Yin

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Jianhua Wang

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

Abstract

The development trend of high shares of renewables and power electronics has increased the demand for new energy converters in the power system, but there is a lack of systematic research on the stability of different types of converters when transmitting power, which is worth exploring in depth. In this study, the power transfer capabilities of grid-forming and grid-following converters are investigated separately through an equivalent circuit diagram and phasor diagram when connected to the grid, and a quantitative relationship between converters’ power transmission limit and short circuit ratio under static stability conditions is obtained, leading to the conclusion that, in terms of power transmission, grid-forming converters are more suitable for weak grids with high damping and low inertia, whereas grid-following converters are more suitable for strong grids with high inertia. The conclusions are further verified by constructing the converter grid-connected models for different grid strengths through the PLECS simulation platform and the real-time simulation RTBOX1 and F28379D launchpad platform.

Suggested Citation

  • Bojun Kong & Jian Zhu & Shengbo Wang & Xingmin Xu & Xiaokuan Jin & Junjie Yin & Jianhua Wang, 2023. "Comparative Study of the Transmission Capacity of Grid-Forming Converters and Grid-Following Converters," Energies, MDPI, vol. 16(6), pages 1-13, March.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:6:p:2594-:d:1092445
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    References listed on IDEAS

    as
    1. Shitu Zhang & Zhixun Zhu & Yang Li, 2021. "A Critical Review of Data-Driven Transient Stability Assessment of Power Systems: Principles, Prospects and Challenges," Energies, MDPI, vol. 14(21), pages 1-13, November.
    2. Seyfettin Vadi & Sanjeevikumar Padmanaban & Ramazan Bayindir & Frede Blaabjerg & Lucian Mihet-Popa, 2019. "A Review on Optimization and Control Methods Used to Provide Transient Stability in Microgrids," Energies, MDPI, vol. 12(18), pages 1-20, September.
    3. Samuele Granata & Marco Di Benedetto & Cristina Terlizzi & Riccardo Leuzzi & Stefano Bifaretti & Pericle Zanchetta, 2022. "Power Electronics Converters for the Internet of Energy: A Review," Energies, MDPI, vol. 15(7), pages 1-33, April.
    Full references (including those not matched with items on IDEAS)

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