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Re: Europa-List: Re: AC powered fin strobe

Subject: Re: Europa-List: Re: AC powered fin strobe
From: Jan de Jong <jandejong@casema.nl>
Date: Tue, 13 Dec 2011 17:51:44

Hi Richard,

Not the way we are used to connecting loads to power sources indeed.
I don't like the fact that your DC power supply and your strobe box are 
now mutually dependent.
Mind that the optional switch drawn has to carry 15 A average and 100 A 
peak (<1 ms).
But it will probably work well enough.
A power supply is generally used as a voltage source. The load takes 
some current away that does not affect the voltage (ideally).
In this case usage is reversed. The load takes some voltage away that 
does not affect the current (too much, we hope).
The strobe input may be an up transformer with a few fat primary 
windings and many thin secondary windings.
It probably takes away a certain percentage of the AC voltage available.
You will need somewhat more RPM than before for DC to reach normal 
performance.
That should be all, actually.

Regards,
Jan de Jong



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