Re: variacs

On Fri, 19 Jan 1996 tesla-at-grendel.objinc-dot-com wrote:

> I saw a gang of 3 phase variacs for a reasonable price ($15) at the local
> electronics surplus/supply place.  However, the variacs are 400Hz instead
> of 60Hz.  Does anyone know if they will work ok for 60Hz?  I thought the
> main considerations with different frequencies for transformers are eddy
> current losses.  If that is true, wouldn't a transformer for a higher
> frequency work fine for a lower one?

	I've done a lot of work with 400Hz shipboard electronics, but I 
have never tried hooking something designed for 400Hz to 60Hz. For 15 
bucks, though, I think that I'd give it a try. What was the amperage 
rating of the variacs?


[ The variacs looked like they were about 10 amps each  -- Chip]