Optimizing the effect of charging electric vehicles on distribution transformer using demand side management

Swapna Ganapaneni, Srinivasa Varma Pinni


This paper mainly aims to present the demand side management (DSM) of electric vehicles (EVs) by considering distribution transformer capacity at a residential area. The objective functions are formulated to obtain charging schedule for individual owner by i) minimizing the load variance and ii) price indicated charging mechanism. Both the objective functions profit the owner in the following ways: i) fulfilling their needs, ii) minimizing overall charging cost, iii) lessening the peak load, and iv) avoiding the overloading of distribution transformer. The proposed objective functions were worked on a residential area with 8 houses each house with an EV connected to a 20 kVA distribution transformer. The formulations were tested in LINGO platform optimization modeling software for linear, nonlinear, and integer programming. The results obtained were compared which gives good insight of EV load scheduling without actual price prediction.


Charging; Demand Side Management; Distribution transformer; Electric Vehicle; Over loading; Scheduling;

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DOI: http://doi.org/10.11591/ijeecs.v25.i1.pp25-34


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