New Scheme for Seamless Operation for Stand-Alone Power Systems
AbstractOn 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. View Full-Text
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Kim, H.-J.; Lee, Y.-S.; Han, B.-M.; Yoon, Y.-D. New Scheme for Seamless Operation for Stand-Alone Power Systems. Energies 2016, 9, 457.
Kim H-J, Lee Y-S, Han B-M, Yoon Y-D. New Scheme for Seamless Operation for Stand-Alone Power Systems. Energies. 2016; 9(6):457.Chicago/Turabian Style
Kim, Hyun-Jun; Lee, Yoon-Seok; Han, Byung-Moon; Yoon, Young-Doo. 2016. "New Scheme for Seamless Operation for Stand-Alone Power Systems." Energies 9, no. 6: 457.