Analysis of Transmission Characteristics of Loosely Coupled Transformer with S-S Compensation Structure

2023 IEEE 6th Information Technology,Networking,Electronic and Automation Control Conference (ITNEC) Pub Date : 2023-02-24 DOI:10.1109/ITNEC56291.2023.10082165

Zhenzhen Xie, Jieyu Wu, Kuang-wei Zhang, Xin L. Lu, Zefeng Xu, Bo Jin

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Abstract

For the wireless power transmission system constructed by loosely coupled transformer, the transmission characteristics of the system affected by the transformer iron consumption after the addition of S-S type compensation structure are analyzed. The T-type equivalent circuit of the transformer is used to model the system, the output power and efficiency of the system are calculated by impedance analysis method and the maximum power transmission theorem, and the parameter curve of the compensation capacitor which makes the transmission power of the system reach the maximum value is obtained. Different points on the curve are selected for calculation and simulation, and the transmitted power, efficiency and output voltage and current waveform of the system are compared. The reference method of compensation capacitance parameter selection for the infinite power transmission system of loosely-coupled transformer with S-S compensation structure is obtained.

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S-S补偿结构松耦合变压器传输特性分析

针对由松耦合变压器构成的无线电力传输系统，分析了加入S-S型补偿结构后，变压器铁耗对系统传输特性的影响。利用变压器的t型等效电路对系统进行建模，利用阻抗分析法和最大功率传输定理计算系统的输出功率和效率，得到使系统的传输功率达到最大值的补偿电容的参数曲线。选择曲线上的不同点进行计算和仿真，比较系统的传输功率、效率和输出电压电流波形。给出了具有S-S补偿结构的松耦合变压器无限输电系统补偿电容参数选择的参考方法。

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2023 IEEE 6th Information Technology,Networking,Electronic and Automation Control Conference (ITNEC)

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