[Amps] plate transformers

Steve Thompson g8gsq at qsl.net
Fri Nov 7 08:04:34 EST 2003


jeff millar wrote:
> I just did that here.  I put line voltage across the HV side
> (measured 115V) on the HV side and measured the line side output, it
> was about 4.25 volts. That gave me the turns ratio (about 27:1) and
> so 120 on the input would give into 3240VAC on the secondary.  Of
> course, you have to take into account 120 vs 240 primary and actually
> measure the line voltage to make the most accurate estimate.
Then measure the winding resistances and use the Duncan Amps PSU program to
get a good prediction of what they will do in practice.

Steve



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