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Optimized Power Distribution Technology for Fast Frequency Response in Photovoltaic Power Stations

Author

Listed:
  • Shuchao Wang

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

  • Shenpeng Duan

    (NR Electric Co., Ltd., Nanjing 211102, China)

  • Gaoxiang Mi

    (NR Electric Co., Ltd., Nanjing 211102, China)

  • Yuping Lu

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

Abstract

The fast frequency response (FFR) function in renewable energy source (RES)-based power stations has proved to be able to improve the frequency stability of power systems with high RES penetration significantly. However, most current FFR functions in photovoltaic (PV) power stations typically show power response deviations and unnecessary power loss issues that are caused by inadequate station power distribution strategies. This is particularly important in cases where the power must be increased when the system frequency shows a downward disturbance. This paper proposes a new distribution strategy for FFR in PV power stations and studies related distribution strategies, system structures, calculation algorithms, function execution effect, and active power regulation technology. The proposed approach uses a proportional distribution strategy based on an evaluation of the real-time potential maximum power capability values of the subarrays or generation regions, which are evaluated using a few reference inverters located in every subarray or region. Real-site deployments and tests have been completed in PV power stations to verify the effectiveness of this new distribution strategy, and the proposed FFR solution using this distribution strategy has demonstrated strong performance and potential for wider application scenarios.

Suggested Citation

  • Shuchao Wang & Shenpeng Duan & Gaoxiang Mi & Yuping Lu, 2022. "Optimized Power Distribution Technology for Fast Frequency Response in Photovoltaic Power Stations," Energies, MDPI, vol. 15(23), pages 1-20, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:8923-:d:984271
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    References listed on IDEAS

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    1. Giulio Ferro & Michela Robba & Roberto Sacile, 2020. "A Model Predictive Control Strategy for Distribution Grids: Voltage and Frequency Regulation for Islanded Mode Operation," Energies, MDPI, vol. 13(10), pages 1-27, May.
    2. Massimiliano Chiandone & Riccardo Campaner & Daniele Bosich & Giorgio Sulligoi, 2020. "A Coordinated Voltage and Reactive Power Control Architecture for Large PV Power Plants," Energies, MDPI, vol. 13(10), pages 1-21, May.
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    Cited by:

    1. Omar Alrumayh & Khairy Sayed & Abdulaziz Almutairi, 2023. "LVRT and Reactive Power/Voltage Support of Utility-Scale PV Power Plants during Disturbance Conditions," Energies, MDPI, vol. 16(7), pages 1-20, April.

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