>
>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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