A high efficiency 3.3 kW loosely-coupled wireless power transfer system without magnetic material

2015 ◽  
Author(s):  
Fei Lu ◽  
Hua Zhang ◽  
Heath Hofmann ◽  
Chris Mi
Keyword(s):  
Magnetic Material ◽  
High Efficiency ◽  
Wireless Power Transfer ◽  
Transfer System ◽  
Power Transfer ◽  
Wireless Power ◽  
Loosely Coupled ◽  
Wireless Power Transfer System

scholarly journals Tuning of a wireless power transfer system with a hybrid capacitor array

2016 ◽  
Vol 3 (1) ◽  
pp. 9-14
Author(s):  
Nurcan Keskin ◽  
Huaping Liu
Keyword(s):  
Resonant Frequency ◽  
Hybrid Model ◽  
Wireless Power Transfer ◽  
Transfer System ◽  
Power Transfer ◽  
Wireless Power ◽  
Loosely Coupled ◽  
Capacitor Array ◽  
Power Transfer Efficiency ◽  
Wireless Power Transfer System

Power transfer efficiency in loosely coupled inductive systems can be enhanced by resonance. Primary and secondary can be tuned to same resonant frequency. In this paper, MOSFET-based Varactors and switchable capacitors are used for re-tuning of such a system at 13.56 MHz. This is achieved either using each cap structure alone or as a hybrid model. These techniques are designed for 13.56 MHz wireless power transfer system.

scholarly journals METAMATERIAL-BASED HIGH-EFFICIENCY WIRELESS POWER TRANSFER SYSTEM AT 13.56 MHZ FOR LOW POWER APPLICATIONS

2017 ◽  
Vol 72 ◽  
pp. 17-30 ◽  
Author(s):  
Jun-Feng Chen ◽  
Zhixia Ding ◽  
Zhaoyang Hu ◽  
Shengming Wang ◽  
Yongzhi Cheng ◽  
...  
Keyword(s):  
Low Power ◽  
High Efficiency ◽  
Wireless Power Transfer ◽  
Transfer System ◽  
Power Transfer ◽  
Wireless Power ◽  
Wireless Power Transfer System
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