Study on Transmission Characteristics of Magnetically Coupled Resonant Radio Power Transmission System

Based on the two coil magnetic coupling resonant radio energy transmission structure, a system model is established for the transmission structure by circuit theory, and the expression of the output power and transmission efficiency is derived. The effect of distance, load and resonant frequency on the output power and transmission efficiency of the system is simulated by MATLAB software. The simulation results show that the output power and transmission efficiency are larger when the transmission distance is 0.28 meters, the resonant frequency is 7.32MHz, the load is 10 Omega, and the system can obtain efficient transmission performance at this time. Finally, an experimental prototype is produced, and the experimental results verify the correctness of the theoretical analysis.