Design and Simulation of Wireless Power Transmission System for E-Bike
DOI:
https://doi.org/10.38032/scse.2025.2.4Keywords:
WPT, Electric Vehicle (EV), Inductance, Transmitter coil, Receiver coilAbstract
The use of wireless power transfer (WPT) technologies has become very popular in recent times all around the world. Contactless inductive power transfer (IPT) allows electrical energy to be transferred to fixed or moving consumers without the use of contacts, cables, or slip rings. WPT applications are fast developing not just in small power devices such as wireless charging for mobiles and electric toothbrushes, but also in the field of electric vehicles and other niche fields as it is proving more convenient and flexible system for consumers. In this research, A stationary wireless power transmission system for electric vehicle charging applications is studied and analyzed. A simulation model of spiral-shaped magnetic coupler with a ferrite core is developed to transfer 431W power over a 15cm air gap for charging a DC160-12 battery which is commonly used in electric autos in Bangladesh. This simulated model can help us to build prototypes of wireless power transmission charging systems for electric vehicles in the near future. The methodology for developing the system is divided into two main sections: one is to develop the magnetic structure through designing and performing simulation to determine the parameters and the other one is to design and simulate the electronic circuit. The magnetic structure has been developed and simulated in the ‘Ansys Electronics Desktop 2021 R1’ and ‘Matlab R2020a’ platform has been used for electronic circuits. A series-series resonant topology is adopted as the wireless power transfer DC-DC stage due to the advantages of circuit simplicity, easy analysis, and control. The proposed model can supply 20.84A constant DC current which can fully charge the battery within 7.6 hours and operates at 20 kHz resonant with 72 % power transfer efficiency in a 15cm air gap. The model also shows good resilience in horizontal miss-alignment.
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Copyright (c) 2025 Muhammad Faiz Ahmed, Murad Hossain, Md Helal An-Nahiyan (Author)
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