International Journal of Emerging Research in Science, Engineering, and Management
Vol. 2, Issue 3, pp. 366–375, March 2026
This work is licensed under a Creative Commons Attribution 4.0 International License .
Optimized PI-Based Control Strategy for Enhanced Power Quality in Grid-Tied Electric Vehicle Charger
Department of ECE, Sri Venkateswara College of Engineering, Tirupathi, India.
Abstract
The progressive enforcement of electric vehicles in the contemporary power system requires sophisticated methods of charge deployment, which can ensure that the grid does not lose its stability and power quality. In this paper, a grid-tied electric vehicle charger with multifunction that was developed on the basis of a streamlined Proportional-Integral control system is provided. The given system will be a combination of Adaptive Model Predictive Direct Power Control of the grid-side converter and Modified Direct Power Control of the Dual Active Bridge DC-DC converter. The grid-side controller uses a double Second- Order Generalized Integrator to produce correct synchronization signals that can be used to provide either single-phase operation to achieve good harmonic rejection and unity power factor operation. The charger accommodates the modes of Grid-to-Vehicle, Vehicle-to-Grid and Vehicle-to-Load so that the bidirectional power transfer is always reliable without any harmonic distortion of the grid current falling out of the IEEE regulations. Fast dynamic response is obtained at the DC-DC stage and there is small voltage variation due to changes in load. According to the results of the simulation performed in MATLAB, the proposed control strategy is to provide a significant enhancement in the power quality and overall system performance as well as dynamic response in comparison to other conventional techniques.
Keywords: Bidirectional EV charger, Dual active bridge converter, Power quality, AMP-DPC, MDPC.
DOI: https://doi.org/10.58482/ijersem.v2i3.47
Open Access • Peer Reviewed Article
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