Hi,
I need to calculate that how much power density is required on the transmitter side coil to transmit 300mWatts of power wirelessly to the receiving coil of radius 1inch square.Can anybody advice?
John
Wireless magnetic power transmission
Jul 05, 2010
5 Replies
to
power density?
yes, watts / square meters
Thanks
are you referring to the gap between the 2 coils that are not physically on the same form, that effects the M (mutual inductance) ?
So, why did you give us the diameter in inches? Who do you think we are? NASA?
Dp-primary = 300 mWatts power density in Watts per sq meters ---------- Ap * K
where Ap = primary (transmitter) coil area in meters^2 = 5.2E-4 for 1 inch diameter and K = coupling coefficient
Paul Hovnanian mailto:Paul@Hovnanian.com
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Hi,
Thanks for the reply but I am still unclear about this. I also have another question that how much power I need on the primary coil that I can get 300milliwatts out of the secondary coil.
John
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