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Grid-Forming Control for Solar Generation System with Battery Energy Storage

Author

Listed:
  • Yupeng Cai

    (State Grid Liaoning Electric Power Co., Ltd., Electric Power Science Research Institute, Shenyang 110006, China)

  • Lujie Yu

    (School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China)

  • Meng Wu

    (State Grid Liaoning Electric Power Co., Ltd., Electric Power Science Research Institute, Shenyang 110006, China)

  • Shengyang Lv

    (State Grid Liaoning Electric Power Co., Ltd., Electric Power Science Research Institute, Shenyang 110006, China)

  • Ziyu Fu

    (School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China)

  • Wenhao Tong

    (School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China)

  • Wei Li

    (State Grid Liaoning Electric Power Co., Ltd., Electric Power Science Research Institute, Shenyang 110006, China)

  • Songjie Shi

    (State Grid Liaoning Electric Power Co., Ltd., Electric Power Science Research Institute, Shenyang 110006, China)

Abstract

Solar generation systems with battery energy storage have become a research hotspot in recent years. This paper proposes a grid-forming control for such a system. The inverter control consists of the inner dq-axis current control, the dq-axis voltage control, the phase-locked loop (PLL) based frequency control, and the DC voltage control. The proposed control embeds the PLL into the grid-forming inverter control, offering the advantages of better synchronization and fault current-limiting capability. With the proposed control, the battery energy storage is able to provide inertial and primary frequency support during the grid frequency disturbance. Simulation models are established in PSCAD/EMTDC, and the results during the active power variation and AC voltage variation, the grid frequency disturbance, grid fault, and mode switch validate the effectiveness of the proposed control.

Suggested Citation

  • Yupeng Cai & Lujie Yu & Meng Wu & Shengyang Lv & Ziyu Fu & Wenhao Tong & Wei Li & Songjie Shi, 2024. "Grid-Forming Control for Solar Generation System with Battery Energy Storage," Energies, MDPI, vol. 17(15), pages 1-16, July.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:15:p:3642-:d:1441846
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