[Noisebridge-discuss] Bike generator or alternator?

jim jim at well.com
Sat Aug 30 17:26:24 UTC 2014

     Watch out for initial charging current:
a big cap allows a near short circuit for
a lot of micro-seconds that might burn
out the rectifier.
     Either get a rectifier that's over-spec'd
or put a small value resistor in series
between the rectifier and the cap.

On 08/29/2014 11:09 AM, Adrian Chadd wrote:
> On 29 August 2014 10:37, Robert Benson <sf99er at gmail.com 
> <mailto:sf99er at gmail.com>> wrote:
>     The link states that "A real rectifier characteristically drops
>     part of the input voltage (a voltage drop, for silicon devices, of
>     typically 0.7 volts plus an equivalent resistance, in general
>     non-linear)". So my concern of "loss" at the diodes appears
>     exaggerated. Thank you.
> That's why you put a 1000uF cap across the output of the rectifier.
> -a
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