TAILIEUCHUNG - Modeling and simulating of private EVs charging load

As an important part of the smart grid, Electric Vehicles (EVs) could be a good measure against energy shortages and environmental pollutions. In this paper, based on the relevant EVs development policy, the private EVs charging load is investigated. | Send Orders for Reprints to reprints @. The Open Electrical Electronic Engineering Journal 2015 9 231-237 231 Open Access Modeling and Simulating of Private EVs Charging Load Hao Qiang1 2 Yan Gu1 Jianfeng Zheng 1 Xing Zhou1 and Xu Li3 School of Urban Rail Transit Changzhou University Changzhou 213164 . China 2School of Electrical Engineering Southeast University Nanjing 210096 . China 3Taishan Nuclear Power Joint Venture Co. Ltd. Guangdong 529228 . China Abstract As an important part of the smart grid Electric Vehicles EVs could be a good measure against energy shortages and environmental pollutions. In this paper based on the relevant EVs development policy the private EVs charging load is investigated. Based on statistical data the Monte Carlo method is applied to determine the one-trip driven distance for the private EV. And by analyzing the EVs driving habit and the charging characteristics of EVs battery we derive the initial state-of-charge SOC of charging charging power and initial charging time. As a result a more accurate mathematical model of computing the charging load used by private EVs is proposed. Furthermore the EVs charging loads in 2015 and 2020 are computed and compared in plug-in charging and wireless charging mode. The results of simulation show that the daily load peak of private EVs charging caused by wireless charging mode is significantly lower than that of plug-in charging mode. And the charging load of large-scale EVs would have significant impacts on the planning and operation of power grid. It is very important to predict and analyze the EVs charging load for the construction and scheduling of the smart grid in the future. Keywords Wireless charging charging load prediction private EVs. 1. INTRODUCTION The preceding scarcity of crude oil serious environmental pollutions growing carbon dioxide emissions and other factors initiated a green economy resulting partly in the strive for more efficient individual .

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