Simulation Research on Improving Wireless Charging Efficiency of Electric Vehicles

Abstract

Accompanied by the continuous development and progress of science and technology worldwide, wireless energy transmission has become an increasingly important research focus for researchers in related fields. Wireless charging technology, with its advantages of safe operation, flexibility, convenience, and low maintenance costs, has received more and more attention and is one of the mainstream development trends of electric vehicles in the field of future power technology. The efficiency of wireless charging technology is an important factor affecting its promotion. This article summarizes and discusses the magnetic coupling resonance wireless energy transmission technology, analyzes the basic structure and working principle of the magnetic coupling resonance wireless energy transmission technology, and theoretically analyzes the magnetic coupling resonance wireless energy transmission circuit through a mutual inductance model. The circuit is built using the mutual inductance model in Multisim for simulation experiments to verify the correlation between wireless charging efficiency and circuit load and frequency. Plotted the correlation curve between wireless charging efficiency, circuit load, and frequency.