Diffusion Model of PEV Charging Load and Its Application on ACE Correction

The charging load of plug-in electric vehicle (PEV) is usually modeled with statistic methods such that the internal physical relationship among the charging factors is ignored. In this paper, a diffusion model for charging power of PEVs is proposed. The proposed model considers the interactions among the charging factors in a mathematical way using the physically-based modeling method. The area control error (ACE) correction problem is studied by applying charging power control of PEVs with the proposed model. By considering the practical conditions, a controller is designed to make efficient use of the distributed charging power of PEVs to meet the requirement of ACE correction. Simulation results demonstrate the effectiveness of the proposed diffusion model and ACE correction method.

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