Frequency Tuning in Inductive Power Transfer Systems

被引：5
作者：
Bertoluzzo, Manuele [1 ]
Buja, Giuseppe [1 ]
机构：
[1] Univ Padua, Dept Ind Engn, I-35131 Padua, Italy
来源：
ELECTRONICS | 2020年 / 9卷 / 03期
关键词：
inductive power transfer systems; compensation networks; supply frequency tuning; EXPERIMENTATION; DESIGN;
D O I：
10.3390/electronics9030527
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Inductive power transfer systems (IPTSs) systems are equipped with compensation networks that resonate at the supply frequency with the inductance of the transmitting and receiving coils to both maximize the power transfer efficiency and reduce the IPTS power sizing. If the network and coil parameters differ from the designed values, the resonance frequencies deviate from the supply frequency, thus reducing the IPTS efficiency. To cope with this issue, two methods of tuning the IPTS supply frequency are presented and discussed. One method is aimed at making resonant the impedance seen by the IPTS power supply, the other one at making resonant the impedance of the receiving stage. The paper closes by implementing the first method in an experimental setup and by testing its tuning capabilities on a prototypal IPTS used for charging the battery of an electric vehicle.
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页数：16
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