PDF(1080 KB)
Capacity Allocation Method of Hybrid Energy Storage System Based on Empirical Mode Decomposition and Fuzzy Chance Constrained Programming
CAO Chao, MA Yuxin, CHANG Yue, GUAN Ruifeng
Distributed Energy ›› 2016, Vol. 1 ›› Issue (3) : 43-48.
PDF(1080 KB)
PDF(1080 KB)
Capacity Allocation Method of Hybrid Energy Storage System Based on Empirical Mode Decomposition and Fuzzy Chance Constrained Programming
Empirical mode decomposition (EMD) method was introduced to make capacity configuration for the hybrid energy storage system (HESS), dividing the energy storage power in frequency domain and assigning to energy density and power density batteries. Capacity allocation model, based on fuzzy chance constrained programming, was built with the minimum annual cost and state of charge(SOC) confidence level as constraints. The fuzzy simulation-based genetic algorithm was used to solve the fuzzy model. The capacity and power of storage battery and super capacitor were obtained by simulation calculation. The hybrid energy storage system can be introduced to smooth the fluctuations of wind power-output and control the load of storage battery and super capacitor, so as to guarantee the stable operation of storage system.
new energy / wind power / hybrid energy storage system(HESS) smoothing / capacity allocation / genetic algorithm
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