scholarly journals Automatic Optimization of the Compensation Networks of a Wireless Power Transfer System

Energies ◽  
2020 ◽  
Vol 13 (20) ◽  
pp. 5298
Author(s):  
Manuele Bertoluzzo ◽  
Stefano Giacomuzzi ◽  
Elisabetta Sieni
Keyword(s):  
Genetic Algorithm ◽  
Wireless Power Transfer ◽  
System Optimization ◽  
Experimental Results ◽  
Transfer System ◽  
Power Transfer ◽  
Wireless Power ◽  
Power Transfer Efficiency ◽  
Wireless Power Transfer System ◽  
The Difference

This paper addresses the optimization of the compensation networks of a wireless power transfer system. Optimization is performed by means of a genetic algorithm that looks for the reactances of the elements of the compensation networks that maximize the power transfer efficiency and the power transferred to the load. In addition, the algorithm selects the solutions that are less sensitive to the difference between the theoretical and actual reactances. The last part of the paper describes the prototypal setup used for the tests and supports the theoretical findings by reporting experimental results.

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 Effect of Coil Structure on the Efficiency of Wireless Power Transfer System

2019 ◽  
Vol 9 (2) ◽  
pp. 3387-3392
Keyword(s):  
Wireless Power Transfer ◽  
Receiver Coil ◽  
Transfer System ◽  
Wireless Charging ◽  
Power Transfer ◽  
Wireless Power ◽  
Charging System ◽  
Coil Structure ◽  
Power Transfer Efficiency ◽  
Wireless Power Transfer System

A typical magnetic resonance based wireless power transfer (WPT) system comprises a transmitter coil and an embedded receiver coil used for wireless charging of the electrical and electronics devices. It has been investigated that the coil structure influence the power transfer efficiency of the wireless charging system .The investigations have been carried out in order to determine a suitable coil type and geometry so as to achieve higher efficiency of a wireless power transfer system. The present investigation will afford the design strategy for an efficient wireless charging system .

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