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Review of Low Inertia in Power Systems Caused by High Proportion of Renewable Energy Grid Integration

Author

Listed:
  • Jiyu Song

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
    These authors contributed equally to this work.)

  • Xinhang Zhou

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
    These authors contributed equally to this work.)

  • Zhiquan Zhou

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Yang Wang

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Yifan Wang

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Xutao Wang

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

Abstract

With the power industry moving toward a green and low-carbon direction, renewable energy is occupying an increasingly larger share in the power system. However, compared with traditional thermal power generation, the instability of new energy generation is very prominent, which also leads to a decrease in the inertia of the power system after the grid integration of a high proportion of renewable energy. If no measures are taken, this may lead to frequency collapse accidents. Therefore, this paper first introduces two international major power outage accidents that have occurred in recent years, analyzing the causes, and then summarizes the inspiration obtained from the accidents. Subsequently, some research results on low inertia-related issues in the power system caused by the high proportion of new energy grid integration in recent years were summarized and analyzed from three aspects: inertia evaluation methods, optimal operation measures for the power system, and under frequency load-shedding (the abbreviation “ULFS” in the following text stands for it) schemes. Finally, suggestions were made for future research directions.

Suggested Citation

  • Jiyu Song & Xinhang Zhou & Zhiquan Zhou & Yang Wang & Yifan Wang & Xutao Wang, 2023. "Review of Low Inertia in Power Systems Caused by High Proportion of Renewable Energy Grid Integration," Energies, MDPI, vol. 16(16), pages 1-19, August.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:16:p:6042-:d:1219649
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    References listed on IDEAS

    as
    1. Mehigan, L. & Al Kez, Dlzar & Collins, Seán & Foley, Aoife & Ó’Gallachóir, Brian & Deane, Paul, 2020. "Renewables in the European power system and the impact on system rotational inertia," Energy, Elsevier, vol. 203(C).
    2. Yang Wang & Yifan Wang & Zhenghui Zhao & Zhiquan Zhou & Zhihao Hou, 2023. "Multi-Timescale Optimal Operation Strategy for Renewable Energy Power Systems Based on Inertia Evaluation," Energies, MDPI, vol. 16(8), pages 1-15, April.
    3. Bo Xu & Linwei Zhang & Yin Yao & Xiangdong Yu & Yixin Yang & Dongdong Li, 2021. "Virtual Inertia Coordinated Allocation Method Considering Inertia Demand and Wind Turbine Inertia Response Capability," Energies, MDPI, vol. 14(16), pages 1-15, August.
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