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Volume 11
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10.3390/electronics11142115
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Article

Design and Optimization of a Wireless Power Transfer System with a High Voltage Transfer Ratio

by
Jing Zhou
1,2,
Jiacheng Wang
2,
Pengzhi Yao
2,
Yanliang Lu
3,
Aixi Yang
2,
Jian Gao
2 and
Sideng Hu
1,*
1
College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
2
Polytechnic Institute, Zhejiang University, Hangzhou 310015, China
3
Ningbo Jintai Rubber & Plastic Co., Ltd., Ningbo 315609, China
*
Author to whom correspondence should be addressed.
Electronics 2022, 11(14), 2115; https://doi.org/10.3390/electronics11142115
Submission received: 10 June 2022 / Revised: 3 July 2022 / Accepted: 4 July 2022 / Published: 6 July 2022
(This article belongs to the Section Power Electronics)
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Abstract

With the development of the logistics industry, low-voltage systems, such as intelligent logistics vehicles, have also started to propose application scenarios for wireless power transfer systems. As most logistics vehicles use lithium batteries for energy supply, the wireless charging system has to adapt to the charging characteristic curve of lithium batteries. In this paper, a dual-transmitter single-receiver compound resonant compensation topology with a high voltage ratio is proposed, and a corresponding magnetic coupler is designed and optimized through finite element analysis, which guarantees adaptive output curves according to the working state. A 1 kW experimental platform is established to verify the theoretical analysis, which realizes a high voltage transformation ratio with 90.3% efficiency. Throughout the whole charging process, the output curve agrees with the charging profile of the lithium battery, which can greatly extend the service life of lithium batteries.
Keywords: wireless power transfer; high voltage ratio; optimization wireless power transfer; high voltage ratio; optimization

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MDPI and ACS Style

Zhou, J.; Wang, J.; Yao, P.; Lu, Y.; Yang, A.; Gao, J.; Hu, S. Design and Optimization of a Wireless Power Transfer System with a High Voltage Transfer Ratio. Electronics 2022, 11, 2115. https://doi.org/10.3390/electronics11142115

AMA Style

Zhou J, Wang J, Yao P, Lu Y, Yang A, Gao J, Hu S. Design and Optimization of a Wireless Power Transfer System with a High Voltage Transfer Ratio. Electronics. 2022; 11(14):2115. https://doi.org/10.3390/electronics11142115

Chicago/Turabian Style

Zhou, Jing, Jiacheng Wang, Pengzhi Yao, Yanliang Lu, Aixi Yang, Jian Gao, and Sideng Hu. 2022. "Design and Optimization of a Wireless Power Transfer System with a High Voltage Transfer Ratio" Electronics 11, no. 14: 2115. https://doi.org/10.3390/electronics11142115

APA Style

Zhou, J., Wang, J., Yao, P., Lu, Y., Yang, A., Gao, J., & Hu, S. (2022). Design and Optimization of a Wireless Power Transfer System with a High Voltage Transfer Ratio. Electronics, 11(14), 2115. https://doi.org/10.3390/electronics11142115

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