—If the wireless power transfer system is located to a person; the magnetic fields produce by the wireless power transfer system will vary in the region occupied by the human body. According the Institute of Electrical and Electronic Engineers (IEEE) and International Commission on Non-Ionizing Radiation Protection (ICNIRP), the predicated or the measured values have to be spatially averaged in an area representing the dimension of the human body and compared with the adopted reference level of exposure. Although spatial averaging is better approximation compared to point measurement, the standard of how to perform such an assessment does not exist. This paper describes the method for spatial averaging magnetic field. We analyzed the difference of spatial averaging value (1-and 2-dimensional templates consists of different number of position) and compared it with the standard uncertainty for measurement drift. The proposed methods are given to present the effectiveness of the choice of measurement position.
[1]
Ieee Standards Board.
IEEE standard for safety levels with respect to human exposure to radio frequency electromagnetic fields, 3kHz to 300 GHz
,
1992
.
[2]
P. Czerski,et al.
Guidelines on limits of exposure to radiofrequency electromagnetic fields in the frequency range from 100 kHz to 300 GHz. International Non-Ionizing Radiation Committee of the International Radiation Protection Association.
,
1988,
Health physics.
[3]
国際非電離放射線防護委員会.
ICNIRP statement on the "Guidelines for limiting exposure to time-varying electric, magnetic, and electromagnetic fields (up to 300 GHz)".
,
2009,
Health physics.
[4]
K. Jokela,et al.
ICNIRP Guidelines GUIDELINES FOR LIMITING EXPOSURE TO TIME-VARYING
,
1998
.