Impact assessment of electric vehicle demand though load modeling



Publication Details

A. M. Haidar & K. Muttaqi, "Impact assessment of electric vehicle demand though load modeling," in Australasian Universities Power Engineering Conference (AUPEC 2013), 2013, pp. 1-6.


The primary aim of this paper is to develop an analytical framework for evaluating the impact of Electric Vehicles (EV) on distribution systems. EV load demand cannot be considered as a constant load and hence modeling as a singlestage, constant load will not provide accurate information. In the past, a constant load model was used to examine the effect of EV charging without considering the voltage dependency of EV load models. However, inappropriate modeling may lead to misleading results. In this paper, EV charging is appropriately modeled considering the voltage dependency of the EV load. Simulation studies have been carried out to assess the EV load impacts in terms of changes in power losses, bus voltages, and real and reactive power demands at the distribution systems with different types of load models. Results demonstrate that the proposed voltage dependency model of EV load can provide better understanding of the impacts of EV in the distribution systems.

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