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[AMPS] Pole Xformer Quiz

To: <amps@contesting.com>
Subject: [AMPS] Pole Xformer Quiz
From: measures@vc.net (Rich Measures)
Date: Sat, 5 Dec 1998 12:49:17 -0800
>
>I've got a pole transformer I'm using for B+.  Unknown manufacturer, but it
>is marked 10KW.
>It has two high voltage insulators on one side, and on the the other it has
>three insulated low voltage terminals. A ground stud is welded to the case
>below these.
>
>I put 240 Vac on the two outer low voltage terminals, and ended up with
>3200 Vdc after the fullwave rectifier and filter.  This equates to around
>2300 Vac at the transformer.
>
>The info plate on the case reads as follows;
>
>10                   ser. #
>2400/4160Y           120/240
>A2412A10AA1          1.5
>
>2400
>2340
>2280
>2220
>2160
>
>
>When I picked this unit up, I made the assumption that I would get 4160 Vac
>when applying 240 Vac.  I am a little leary of putting 240 Vac on the
>center and left or right low voltage terminal, as this doesn't fit in with
>what I know about transformers.

Indeed.
>
>Is there a way to get the 4160 Vac?  

Yes.  Use three such transformers, operated from three phase.   .  .  

>If not I will have to use a voltage
>doubler to get my needed 6 Kv DC. 
>  
A FWD should work well,  Jay W7CW



Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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