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Thread: Solar Panels? - Why PWM Works
picon face BY : Russell McMahon email (remove spam text)

From: Wagner Lipnharski <@spam@wagnerlspamspamEARTHLINK.NET>

This is historically known as "the maximum power transfer theorum"

>Remember that the best power transfer happens when the
>external (load) impedance is equal to the internal (cell)

>As you can see, when get the max transfered power when
>both impedances are equal. This is applied to sound,
>video, RF, power, pressure, including mechanics.

But is never applied to mains sockets for appliances etc :-)
(for reasons which will be apparent when you think about it).

Russell McMahon

<021201be69ee$26d55280$243061cb@mkbs> 7bit

See also: www.piclist.com/techref/io/pwm/index.htm?key=pwm
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