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New Scheme for Seamless Operation for Stand-Alone Power Systems

Author

Listed:
  • Hyun-Jun Kim

    (Department of Electrical Engineering, Myong-ji University, 116 Myongji-ro, Yongin-si, Gyeonggi-do 449-728, Korea)

  • Yoon-Seok Lee

    (Department of Electrical Engineering, Myong-ji University, 116 Myongji-ro, Yongin-si, Gyeonggi-do 449-728, Korea)

  • Byung-Moon Han

    (Department of Electrical Engineering, Myong-ji University, 116 Myongji-ro, Yongin-si, Gyeonggi-do 449-728, Korea)

  • Young-Doo Yoon

    (Department of Electrical Engineering, Myong-ji University, 116 Myongji-ro, Yongin-si, Gyeonggi-do 449-728, Korea)

Abstract

On remote islands photovoltaic (PV) panels with battery energy storage systems (BESSs) supply electric power to customers in parallel operation with engine generators (EGs) to reduce fuel consumption and environmental burden. A BESS operates in voltage control mode when it supplies power to loads alone, while it operates in current control mode when it supplies power to loads in parallel with the EG. This paper proposes a smooth mode change of the BESS from current control to voltage control by using initial value at the output of integral part in the voltage controller, and a smooth mode change from voltage control to current control by tracking the EG output voltage to the BESS output voltage using a phase-locked loop (PLL). The feasibility of the proposed scheme was verified through computer simulations and experiments with a scaled prototype.

Suggested Citation

  • Hyun-Jun Kim & Yoon-Seok Lee & Byung-Moon Han & Young-Doo Yoon, 2016. "New Scheme for Seamless Operation for Stand-Alone Power Systems," Energies, MDPI, vol. 9(6), pages 1-14, June.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:6:p:457-:d:72057
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    Cited by:

    1. Joos, Michael & Staffell, Iain, 2018. "Short-term integration costs of variable renewable energy: Wind curtailment and balancing in Britain and Germany," Renewable and Sustainable Energy Reviews, Elsevier, vol. 86(C), pages 45-65.

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