Compensation Parameter Configuration Method for Wireless Charging System With LCC-S Topology to Achieve a Lightweight Receiver and Short-circuit Tolerance

被引：0

作者：

Tian Z. ^{[1
]}

Zhang X. ^{[1
]}

Wang Y. ^{[1
]}

Wu X. ^{[2
]}

Cheng S. ^{[1
]}

Wei B. ^{[2
]}

Kang J. ^{[1
]}

Zhao H. ^{[1
]}

机构：

[1] State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Changping District, Beijing

[2] China Electric Power Research Institute Co., Ltd., Haidian District, Beijing

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2023年 / 43卷 / 18期

关键词：

compensation parameter; high-power wireless charging; lightweight; parallel modular; short-circuit tolerance;

D O I：

10.13334/j.0258-8013.pcsee.221046

中图分类号：

学科分类号：

摘要：

Power level improvement and lightweight are inevitable trends of electric vehicle wireless charging system (WCS). It is a critical issue that the lightweight design of WCS should consider the tolerance of extreme operation conditions. Based on the traditional parallel modular structure of high-power WCS, a compensation parameter configuration method of detuning receiver is proposed. The paper analyzes the energy transmission characteristics of this method, and it reveals that the method can suppress DC output fluctuation and has the ability of short-circuit tolerance. Furthermore, the overall design process of the high-power lightweight WCS with short-circuit tolerance is presented in order to optimize the output power and transmission efficiency. To verify the correctness of the proposed method and the effectiveness of the design process, a 3kW WCS prototype is designed and manufactured. The experimental results show that the improved WCS system can reach the efficiency of 95.7%, and its DC output pulsation and filter capacitance are reduced by nearly 80% and by about 90%, respectively, in comparison to those of the traditional WCS with LCC-S topology. Moreover, the short-circuit current of receiver is about 1.4 times the rated value, which shows a relatively strong short-circuit tolerance. ©2023 Chin.Soc.for Elec.Eng.

引用

页码：7223 / 7231

页数：8

共 21 条

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