Efficiency Improvement of LCC-S Based IPT System by Detuning Design of the Secondary Side to Gain Unity Power Factor

被引：1
|
作者：
Li, Shufan [1 ,2 ]
Li, Fang [1 ,2 ]
Zhang, Rong [1 ,2 ]
Gong, Lingbing [1 ,2 ]
Tao, Chengxuan [1 ,2 ,3 ]
Wang, Lifang [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Elect Engn, Key Lab Power Elect & Elect Drives, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100190, Peoples R China
[3] Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2024年 / 39卷 / 01期
基金：
国家重点研发计划;
关键词：
Rectifiers; Impedance; Voltage; Couplings; Capacitors; Load modeling; Batteries; Detuning design; efficiency; inductive power transfer (IPT); time-domain analysis (TDA); COMPENSATED WPT SYSTEM; STAGE INDUCTIVE-POWER; TRANSFER CONVERTER; ENERGY EFFICIENCY; CONTROL STRATEGY; WIRELESS; OPTIMIZATION; RANGE;
D O I：
10.1109/TPEL.2023.3320656
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
To improve the power transfer efficiency (PTE) of the inductive power transfer (IPT) system based on LCC-S compensation network, a detuning design method of the secondary side is proposed in this article. First, time-domain analysis is used to model IPT system with a tuned and detuned secondary side, respectively. It was found that the reactive components brought by the rectifier can be compensated when the secondary side is detuned to a specific extent, thus gaining a unity power factor (UPF) in the secondary side. Then, design methods for the LCC network in the primary side both for fixed and variable load are proposed. Finally, simulations and experiments are conducted to verify the proposed modeling and designing method, with which the PTE can be improved in condition of coil misalignment and load variation, especially when the rectifier is in discontinuous conduction mode.
引用
收藏
页码：1773 / 1787
页数：15
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