Research on wireless charging efficiency of electric vehicles based on magnetic resonance charging

Nowadays, electric vehicles are developing rapidly, but the most common wired charging method has some shortcomings and hidden dangers such as the charging interface is easy to wear and aging, the charging line needs to be manually inserted and removed, and the operation may lead to some hidden dangers such as a motor short circuit. Wireless charging can solve these problems, but wireless charging still has a lot of challenges in terms of charging efficiency. Based on this, this paper mainly studies the charging efficiency of magnetic resonance wireless charging for electric vehicles. This paper first outlines the research background, and expounds the significance of the research. Then three kinds of wireless charging methods commonly used at present are theoretically expounded, and the magnetic resonance charging that this paper mainly studies is simulated. Then the influencing factors of wireless charging performance are analyzed, and how to improve the efficiency of wireless charging is analyzed from the aspect of transmission distance, and finally the scheme to improve the efficiency is given. Based on the research on the wireless charging efficiency, this research results of this project will provide a new method and way to improve the charging efficiency of electric vehicles.