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[Amps] Transformer rewinding

To: <amps@contesting.com>
Subject: [Amps] Transformer rewinding
From: 2@mail.vcnet.com (Richard)
Date: Mon, 6 May 2002 05:33:58 -0700
>> My big interest though, is in a plate transformer that I've acquired.
>> The HV winding reads 5316 VAC and 106 Ohms. 
>> 
>> My thought is to disassemble the unit and rewind the primary with
>> twice the turns using slightly smaller wire, as there is plenty of
>> room. Thus I would hope to have a 240 V primary.
>> 
>> My questions are:
>> 
>> Does a 240 V primary vs. 120 V give significantly better voltage
>> regulation , such that it is worth the trouble to rewind?
>
>Regulation in that transformer will be terrible especially if you 
>draw anything over a few hundred mA. ESR is far too high for a 
>capacitor input supply.  You need to rewind all the windings, or find 
>a better transformer.

?  A resonant-choke filter should be ok with a 106-ohm secondary - and it 
would reduce the V to something that could be used with an 8877 on SSB.  
However, a 30A/120V service outlet would be needed. 
>...

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
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