kQ-product analysis of inductive power transfer system with two transmitters and two receivers

被引:0
作者
Ujihara, Tatsuki [1 ]
Duong, Quang-Thang [1 ]
Okada, Minoru [1 ]
机构
[1] Nara Inst Sci & Technol, 8916-5 Takayama Cho, Nara 6300192, Japan
来源
2017 IEEE WIRELESS POWER TRANSFER CONFERENCE (WPTC 2017) | 2017年
关键词
Inductive power transfer; multiple transmitter; multiple receiver; cross-coupling; maximum efficiency; kQ-product;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This paper formulates the maximum RF-to-RF efficiency of inductive power transfer system with two transmitters and two receivers under the assumption that cross-coupling exists between transmitters and between receivers. Maximum efficiency is derived by jointly optimizing the input and output currents. We express the maximum efficiency by a system kQ-product, which is determined by system Z-parameters. Simulation results verify the derived formula and also show that, the square of system kQ-product can be approximated as the sum of square of kQ-products of individual transmitter-receiver links.
引用
收藏
页数:4
相关论文
共 10 条
[1]   Effect of Coupling Between Multiple Transmitters or Multiple Receivers on Wireless Power Transfer [J].
Ahn, Dukju ;
Hong, Songcheol .
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 2013, 60 (07) :2602-2613
[2]  
Boyd S, 2004, CONVEX OPTIMIZATION
[3]   Inductive Power Transfer [J].
Covic, Grant A. ;
Boys, John T. .
PROCEEDINGS OF THE IEEE, 2013, 101 (06) :1276-1289
[4]   Maximum efficiency formulation for inductive power transfer with multiple receivers [J].
Duong, Quang-Thang ;
Okada, Minoru .
IEICE ELECTRONICS EXPRESS, 2016, 13 (22)
[5]  
Imura T., 2014, IEEJ T IND APPL, V134, P564, DOI DOI 10.1541/IEEJIAS.134.564
[6]   Maximizing Air Gap and Efficiency of Magnetic Resonant Coupling for Wireless Power Transfer Using Equivalent Circuit and Neumann Formula [J].
Imura, Takehiro ;
Hori, Yoichi .
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 2011, 58 (10) :4746-4752
[7]  
OHIRA T, 2014, IEICE ELECTRON EXPR, V11
[8]   kQ-product formula for multiple-transmitter inductive power transfer system [J].
Quang-Thang Duong ;
Okada, Minoru .
IEICE ELECTRONICS EXPRESS, 2017, 14 (03)
[9]  
Sugiyama R., 2017, 2014 IEEE I IN PRESS
[10]   Maximum Achievable Efficiency in Near-Field Coupled Power-Transfer Systems [J].
Zargham, Meysam ;
Gulak, P. Glenn .
IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS, 2012, 6 (03) :228-245