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[AMPS] Re: UTC cg-308 transformer used in FW bridge circuit

To: <amps@contesting.com>
Subject: [AMPS] Re: UTC cg-308 transformer used in FW bridge circuit
From: wc6w@juno.com (Radio WC6W)
Date: Sat, 14 Aug 1999 11:20:10 EDT
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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