Jinzhou Zhu
ABSTRACT
Electric vehicles (EVs) with the feature of mobile energy storage are a type of flexible and excellent demand response resources. Accurate modeling for EVs attracts more attention recently, since it is the basis for utilizing EVs in frequency regulation. In this paper, A Markov chain based method for the aggregation modeling is proposed for charging and discharging load of EVs, with the consideration of the differences among batteries' capacity. The proposed method solves the problem that the traditional modeling method depends on too many discrete state intervals which may cause the "dimension explosion" of EV state space, while maintaining a high level of accuracy. Finally, a numerical test verifies the effectiveness of the proposed method.
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