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A novel two-port network model for RCPT system

Zhang Xian (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tianjin Polytechnic University, Tianjin, China)
Yang Qingxin (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tianjin Polytechnic University, Tianjin, China)
Chen Haiyan (Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability, Hebei University of Technology, Tianjin, China)
Zhang Xin (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tianjin Polytechnic University, Tianjin, China)
Jin Liang (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tianjin Polytechnic University, Tianjin, China)
Li Yang (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tianjin Polytechnic University, Tianjin, China)
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Abstract

Purpose

The purpose of the paper is to show that how a contactless power transmission system via electromagnetic (EM) resonantly coupling power transmission (RCPT) technology may be analyzed in-depth by using a detailed T-type two-port network model with leakage inductance variable.

Design/methodology/approach

Through the introduction of coupling coefficient and quality factor, the influence of different physical parameters on the system performance is taken into consideration and validated by power transmission experiment.

Findings

It is shown that system performance is mainly subject to coupling coefficient and quality factor from the two-port network model in this paper. Moreover, there are three working status of dynamic transmission, which are over coupling, critical coupling and under coupling.

Originality/value

Two-port network model applied to practical RCPT system design considering impedance loss on resonators, etc.

Keywords

Acknowledgements

This work was supported in part by the National Natural Science Foundation of China under Grant No. 51307120 and 51207105.

Citation

Xian, Z., Qingxin, Y., Haiyan, C., Xin, Z., Liang, J. and Yang, L. (2014), "A novel two-port network model for RCPT system", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 33 No. 1/2, pp. 157-166. https://doi.org/10.1108/COMPEL-10-2012-0234

Publisher

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Emerald Group Publishing Limited

Copyright © 2014, Emerald Group Publishing Limited

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