[Amps] transformer talk

R.Measures r at somis.org
Sat Feb 11 08:51:55 EST 2006


On Feb 10, 2006, at 12:21 PM, Partain, Chuck wrote:

> ok so now...
>
>    is this a good start for checking a transformer?
>
> Specify 2000 vac at say 1 amp.
>
> the test is
>
> manufacture the device for unloaded output 3% higher (whats that 
> 60-100v)
>
> short the secondary and apply an input voltage until you reach the 
> specified output of 1a
>
> watch the heat rise over (IEEE specs I think) 6 hours with a 
> thermocouple or until it
> gains no more than 1deg c per hour.

6-hours is about right to simulate a typical Ham lock-to-talk AM 
roundtable.
>
>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org



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