Optimal Terminals of a Multitransmitter Multireceiver Inductive Coupler With Equality Power Constraints

被引：2
作者：
He, Rong [1 ,2 ,3 ]
Wang, Xinlin [1 ,2 ,3 ]
Wang, Haoyu [4 ,5 ]
Fu, Minfan [4 ,5 ]
机构：
[1] ShanghaiTech Univ, Shanghai 201210, Peoples R China
[2] Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[4] ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai 201210, Peoples R China
[5] Shanghai Engn Res Ctr Energy Efficient & Custom, Shanghai 200040, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2023年 / 38卷 / 10期
关键词：
Inductive power transfer (IPT); Lagrange multiplier method; multiple coils; optimal condition; power constraints; TRANSFER SYSTEM; EFFICIENCY TRACKING; DESIGN; IPT; COMPENSATION; COILS;
D O I：
10.1109/TPEL.2023.3299930
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：
This article develops a general and comprehensive ac analysis to study the optimal condition of a multitransmitter (TX) and multireceiver (RX) coupler. Based on the practical demands, a standard optimization problem is defined and solved by the Lagrange multiplier method. This article would analytically discuss the optimal coupler condition, discuss its physical meaning, and build a uniform perspective to understand representative systems. The meaning of the optimal analysis is justified by the evaluation and comparison of a circular pad-based coupler and a tripolar pad-based one. The influence of coupling and power distribution are effectively discussed based on the proposed ac analysis. The experiment builds a complete system to test the dc performance and justify the effectiveness of ac analysis. When the tripolar pad is used as the TX, a two-RX systemwould achieve 93.6% maximumdc efficiency with only 8.6% variation under all coupling conditions.
引用
收藏
页码：11953 / 11963
页数：11
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