On Sat, 14 Aug 1999 10:33:28 -0400 "Robert Traister" <dxcc@shentel.net>
writes:
>I have a heavy UTC transformer with a designation (I believe) of CG-308
with
>taps for 7000, 6000, and 4800 vct. I intend to use the 4800 volt tap in
a
>full wave bridge configuration in order to get approximately 6000 vdc
(under
>load) for my 4-1000A amp. I read with some concern the feedback about
the
>UTC S-47 transformer and the cautions not to use a FW bridge circuit
with
>this model, because the center tap is intended to be operated at ground
>potential. Do the same reservations apply to my UTC CG-308? Thanks.
>
>Bob
>
Hi Bob,
Your reservations are correct. The UTC CG-3XX series were designed
to operate with the center tap grounded.
There were some later models in the series with a "W" suffix that are
rated to operate in a full wave circuit.
73,
Marv WC6W
*
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