整流器(神经网络)
拓扑(电路)
最大功率转移定理
零(语言学)
电压
功率(物理)
电气工程
控制理论(社会学)
工程类
计算机科学
物理
控制(管理)
语言学
随机神经网络
哲学
量子力学
机器学习
人工智能
循环神经网络
人工神经网络
作者
Haomin Shen,Pan Sun,Yuxiao Wang,Xiaona Wang,Lei Wang,Yan Liang
摘要
Summary Rectifier load in inductive power transfer system has nonlinear characteristics. However, the traditional analysis method equates it to a pure resistor, which leads to a certain deviation between the theoretical analysis and the actual circuit. This will reduce the accuracy of the inductive power transfer (IPT) system model and affect the soft switching operation of the inverter. In this paper, the IPT system with S‐type topology on the secondary side is studied. Firstly, the resistance–inductance characteristics of the rectifier load are analyzed by simulation, and then a second‐order circuit response model is established to solve the time‐domain expression of voltage and current. Then, the fundamental component of voltage and current is extracted by Fourier transform to calculate the impedance value of the rectifier load, and the mathematical calculation model of the rectifier load is established. On this basis, the influence of the inductive component of the rectifier load on the input impedance of the IPT system is analyzed. Then, a parameter design method for zero voltage switching is proposed for S‐S and LCC‐S topologies. Finally, an experimental platform of S‐S and LCC‐S IPT system is built. The correctness and effectiveness of the theoretical analysis and the proposed parameter design method are verified by experiments.
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