International Journal of Science, Engineering and TechnologyAuthors: Mini, Garvit Sharma, Dr Charu
Abstract: The rapid adoption of electric vehicles (EVs) has created a growing demand for efficient, reliable, and user-friendly charging technologies. Conventional plug-in charging systems require physical connectors, which are susceptible to mechanical wear, environmental degradation, and user inconvenience. Wireless Power Transfer (WPT) has emerged as an attractive alternative by enabling contactless energy transfer through magnetic coupling. However, practical implementation of WPT systems is challenged by coil misalignment, variation in air gap, frequency deviation, and reduced power transfer efficiency. This paper proposes an adaptive resonant wireless power transfer system capable of maintaining high charging efficiency under lateral coil misalignment. The proposed system employs a resonant compensation network together with an adaptive frequency control strategy to improve power transfer performance during varying operating conditions. A complete mathematical model of the system is developed and implemented in MATLAB/Simulink for performance evaluation. The proposed approach is analyzed under different coil alignment conditions, operating frequencies, and transmission distances. Simulation results demonstrate that the adaptive control technique significantly improves voltage stability, output power, and overall efficiency compared with conventional resonant charging systems. The proposed system offers an efficient and practical solution for next-generation intelligent electric vehicle charging infrastructure.
DOI: http://doi.org/10.5281/zenodo.21275702
