基于LCL-S型谐振的大功率无线电能传输实验平台设计

该文在深入分析无线电能传输技术的传输特性及其磁耦合式传输工作原理的基础上,基于LCL-S型谐振耦合原理设计了一套大功率无线电能传输实验平台。首先,利用互感耦合模型对平面型系统机构进行了电路分析;其次,搭建了该实验平台的骨架构造;最后进行了实验测试,完成了双脉冲试验、开环控制带载试验和闭环控制带载试验等,分析了谐振频率对平台传输特性的影响。实验结果表明,该实验平台在工作频率为75 kHz时,输出功率可达30 kW,系统效率达到80%以上,稳定性良好,有效可行。

Design of high-power wireless power transmission experimental platform based on LCL-S resonance

On the basis of deeply analyzing the transmission characteristics of power wireless transmission technology and the working principle of magnetic coupling transmission, a high-power wireless transmission experimental platform is developed based on the LCL-S resonant coupling principle. Firstly, the mutual inductance coupling model is used to analyze the circuit of the planar system mechanism;secondly, then the framework of the experimental platform is established, and finally, the experimental tests are carried out, which includes the double pulse test, open-loop control load test and closed-loop control load test. The influence of the resonant frequency on the transmission characteristics of the platform is analyzed. The experimental results show that when the working frequency is 75 kHz, the output power of the experimental platform can reach 30 kW, the system efficiency can reach more than 80%, which is stable, effective and feasible.