Due to the increasing oil and gas demand, the shortage of fossil fuel resources, serious global greenhouse effect and extremely environmental deterioration, the renewable energy sources are more and more attractive. The energy storage is a vital problem for the intermittent and seasonal renewable energy sources. In this paper, a wind energy storage system consideration of chlorine production which is located in remote offshore area is proposed. The detailed dynamic models are established and simulations are also carried out. The proposed system stores the surplus energy generated from wind farm as a form of hydrogen via the electrolyzer array, and uses the stored hydrogen to generated electrical energy at poor wind condition through a PEM fuel cell array. The simulation results show that the proposed system could not only absorb the wind power maximally, but also produce sufficient electric energy to meet the load power demands. Moreover, the proposed system could tolerate the frequently impulses because of the variations of wind energy on the small stand-alone power system effectively.

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