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Cooperative Dispatch of Wind Generation and Electric Vehicles With Battery Storage Capacity Constraints in SCUC

Load dispatch such as Vehicle-to-Grid (V2G) control of electric vehicles (EVs) is taken as a promising way to promote the integration of wind power. This paper proposes a cooperation model of EVs and wind generation based on the security-constrained unit commitment (SCUC). Different from existing works, it pays special attentions to the model and constraints of EV aggregators. The distribution pattern of user trips is included and the dynamic process of stored energy is analyzed in the model. The constraints that EVs can't charge and discharge simultaneously are proved to be redundant under some conditions on theory and the necessity of battery storage constraints are explained via numerical examples. The proposed model is verified in case studies on the IEEE-RTS. The results show that V2G can not only improve the efficiency of thermal units but also promote the integration of wind power. Factors influencing storage violations are also analyzed.