Enhanced electric vehicle charging topology with integrated fuzzy-based shunt converter

Authors

  • Rahul Wilson Kotla Malla Reddy Engineering College for Women, Department of Electrical and Electronics Engineering, Maisammaguda, Dhulapally, Secunderabad, Telangana 500100, India https://orcid.org/0000-0003-4701-6846
  • Srinivasa Rao Yarlagadda Vignan’s Foundation for Science, Technology and Research, Department of Electrical and Electronics Engineering, Vadlamudi, Guntur, Andhra Pradesh 522213, India
  • Kumudwathi Mannala Malla Reddy Engineering College for Women, Department of Electrical and Electronics Engineering, Maisammaguda, Dhulapally, Secunderabad, Telangana 500100, India
  • Dharani Sreek Malla Reddy Engineering College for Women, Department of Electrical and Electronics Engineering, Maisammaguda, Dhulapally, Secunderabad, Telangana 500100, India
  • Vijaya Madhavi Sivarathri Malla Reddy Engineering College for Women, Department of Electrical and Electronics Engineering, Maisammaguda, Dhulapally, Secunderabad, Telangana 500100, India

DOI:

https://doi.org/10.14311/AP.2025.65.0296

Keywords:

IT-II Controller, lithium-ion batteries, energy storage, RGIA IT-I FLC controller

Abstract

This article presents a novel electric vehicle charging scheme that addresses power quality issues in distribution grids, caused by widespread EV charging. The system uses an interval type-II (IT-II) fuzzy-logic-based shunt converter, with a dual-direction converter enabling power flow from the grid to the EV (G2EV) and from the EV to the grid (EV2G). It incorporates iterative constant current (ICC) regulation for managing Li-ion battery charging and discharging. A fuzzy logic controller (FLC) based on an instantaneous reactive power model is used for the shunt converter, with an enhanced real-coded genetic algorithm (ERGA)-based type-I (IT-I) FLC control. The Performance is evaluated using THD analysis of the source current, and the system response is plotted. Simulations conducted in Matlab demonstrate improved power quality with harmonic distortion within acceptable limits, confirming the effectiveness of the proposed system in optimising EV charging while maintaining grid stability.

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Published

2025-07-09

Issue

Vol. 65 No. 3 (2025)

Section

Articles

License

Copyright (c) 2025 Rahul Wilson Kotla, Srinivasa Rao Yarlagadda, Kumudwathi Mannala, Dharani Sreek, Vijaya Madhavi Sivarathri

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Kotla, R. W., Yarlagadda, S. R., Mannala, K., Sreek, D., & Sivarathri, V. M. (2025). Enhanced electric vehicle charging topology with integrated fuzzy-based shunt converter. Acta Polytechnica, 65(3), 296–305. https://doi.org/10.14311/AP.2025.65.0296