Prev: Hot dog?
Next: Help converting simple schematic to 110v
From: john1987 on 6 Jul 2010 17:18

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



On Jul 5, 9:58 pm, "Paul Hovnanian P.E." <P...(a)Hovnanian.com> wrote:
> john1987 wrote:
>
> > yes, watts / square meters
>
> 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:P...(a)Hovnanian.com
> ------------------------------------------------------------------
> Opinions stated herein are the sole property of the author. Standard
> disclaimers apply. Celebrity voice impersonated. Batteries not included.
> Limit one to a customer. Best if used by April 1, 2011. Refrigerate
> after opening. Void if removed.

First  |  Prev  | 
Pages: 1 2
Prev: Hot dog?
Next: Help converting simple schematic to 110v