Abstract This paper presents the design and optimal control strategies for hybrid energy storage system (HESS) consisting of lithium-ion batteries (LB) and ultra-capacitors (UC). Thus HESS is suitable for microgrid powered by wind, solar and (or) other intermittent DERs. Herein, the fluctuations of the exchange power between the microgrid and the utility are hence suppressed and flattened when the microgrid operates in grid-connected mode, while the voltage and frequency keep stable when the microgrid operates in (during) island mode. The performance of the transient state of microgrid is improved. The simulation and experimental results based on the prototype verify the proposed design and strategies.
Sun Jianlong,Dou Xiaobo,Zhang Zizhong等. DC Peer-to-Peer Coordinated Control Strategy of Hybrid Energy Storage System for Microgrid[J]. Transactions of China Electrotechnical Society, 2016, 31(4): 194-202.
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