YANG Xiyun, CAO Chao, REN Jie, et al. Control Method of Smoothing PV Power Output with Battery Energy Storage System Based on Fuzzy Ensemble Empirical Mode Decomposition[J]. 2016, 42(7): 2127-2133.
YANG Xiyun, CAO Chao, REN Jie, et al. Control Method of Smoothing PV Power Output with Battery Energy Storage System Based on Fuzzy Ensemble Empirical Mode Decomposition[J]. 2016, 42(7): 2127-2133.DOI:
we put forward a control method with battery energy storage system(BESS) based on fuzzy ensemble empirical mode decomposition(EEMD). With a comprehensive analysis of the amplitude-frequency characteristics
PV power signal is decomposed by EEMD into two parts
the low-frequency parts are defined as wind power grid-connected value and the high-frequency parts are stored by BESS.Based on fuzzy control method
the orders of EEMD filter can be adaptively adjusted according to the state of charge(SOC) and fluctuation rate of PV power fluctuations after smoothing. Compared with the method with constant order of EEMD filter
simulation results show that the proposed method can effectively smooth the fluctuations of PV power output effectively by taking full advantages of BESS so as to keep SOC stable.