Human Exposure to Close-Range Resonant Wireless Power Transfer Systems as a Function of Design Parameters

2014 ◽  
Vol 56 (5) ◽  
pp. 1027-1034 ◽  
Author(s):  
Xi Lin Chen ◽  
Aghuinyue E. Umenei ◽  
David W. Baarman ◽  
Nicolas Chavannes ◽  
Valerio De Santis ◽  
...  
Keyword(s):  
Human Exposure ◽  
Wireless Power Transfer ◽  
Design Parameters ◽  
Power Transfer ◽  
Wireless Power ◽  
Close Range

Study of Coupling Factor for Wireless Power Link in Advanced Brain-Machine Interface

2013 ◽  
Vol 846-847 ◽  
pp. 893-897
Author(s):  
Hua Xi Wen ◽  
Xian Gu ◽  
Dong Fang ◽  
De Dong Ding ◽  
Qiang Yu ◽  
...  
Keyword(s):  
Wireless Power Transfer ◽  
Coupling Factor ◽  
Analytical Models ◽  
Design Parameters ◽  
Brain Machine Interface ◽  
Power Transfer ◽  
Wireless Power ◽  
Quality Factors ◽  
Power Transfer Efficiency ◽  
Machine Interface

The inductive wireless power transfer efficiency is determined by the coupling factor and coil quality factors. This paper studies the coupling factor of an inductive power link (IPL) for wireless power transfer in advanced brain-machine interface applications. By comparison to the experimental results, the various design tools including Maxwell simulation and two analytical models are evaluated for prediction of the coupling factor. The coupling factors of IPLs with different design parameters are also analyzed. The results show that for specific wireless power transfer distances, the coupling factor of an IPL is mainly related to the size and fill ratio of the coils, while is almost independent of the coil track pitch, coil width/pitch ratio, and track thickness.

scholarly journals Evaluation of Human Exposure οwing to Wireless Power Transfer Systems in Electric Vehicles

2019 ◽  
Vol 6 (4) ◽  
pp. 239-258
Author(s):  
Adel Razek ◽  
Lionel Pichon ◽  
Abelin Kameni ◽  
Ludovic Makong ◽  
Sahand Rasm
Keyword(s):  
Electric Vehicles ◽  
Human Exposure ◽  
Wireless Power Transfer ◽  
Power Transfer ◽  
Wireless Power

scholarly journals Evaluation of the Magnetic Field Leakage from Two Wireless Power Transfer Systems for EV/PHV Driven Simultaneously

2019 ◽  
Vol 10 (2) ◽  
pp. 41
Author(s):  
Toshiaki Watanabe ◽  
Yusuke Hakuta
Keyword(s):  
Magnetic Field ◽  
Human Exposure ◽  
Wireless Power Transfer ◽  
Hybrid Vehicles ◽  
Reference Level ◽  
Current Phase ◽  
Power Transfer ◽  
Wireless Power ◽  
Human Exposure Assessment ◽  
The Magnetic Field

Wireless power transfer for electric and plug-in hybrid vehicles has been developed to facilitate battery charging. In a wireless power transfer system, because the magnetic field leaks to the surroundings of the vehicle, it is important to evaluate the quantitative human exposure. The International Commission on Non-Ionizing Radiation Protection provides guidelines for human exposure assessment. In this study, we evaluate the magnetic field leakage under two parking configurations and current phase differences for two vehicles being simultaneously charged (3.7 kW at 85 kHz per vehicle). The results of the analysis show that the magnetic field leakage is lower than the reference level of the guidelines for all cases and that the leakage could be reduced by controlling the phase difference between the two wireless power transfer systems equally distributed from the single high-frequency power source for each parking configuration.

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