Design and Implementation of Self-Charging BMS for Electric Vehicle Applications

Abstract

The design of a self-charging system for electric vehicles (EV) is presented in this work. This concept addresses the drawbacks presented in other EV architectures due to challenges faced during the safe operation of battery packs. However, designing a self-charging system for EVs is a feasible solution to overcome issues related to charging and discharging of the battery pack. To charge the battery pack, a novel single-rotor, double-winding motor design is proposed in this project. The novel motor is designed by concentrating both the generator and motor armature windings on the same rotor. The novel motor design generates the required output voltage at its rotor based on winding technology, which does not require any additional charging circuits for the EVs. However, a bidirectional DC/DC converter with a battery management system is used to operate the battery at safe limits and reliably. Additionally, the solar panel is used in this EV design to charge the battery when the vehicle is in an ideal condition.