From: phil_a@tpg.com.au   
      
   "Roger Jones"   
    Phil Allison  wrote:   
   >> "Charles"   
   > > "Paul D. Spiegel"   
   >>   
   >> > For my next project I have acquired a transformer with two identical   
   >> > 450v   
   >>   
   >> > secondary windings.   
   >   
   > (snip)   
   >>   
   >>  ** Be far easier to do the test I suggested -  OR, with your test, use a   
   >>   
   >> simple current meter in the primary  -  OR just wait and see if the   
   >> tranny   
   >>   
   >> warms any more than usual.   
   >>   
   >   
   > Do it the way Phil says... voltage or current measurement, voltage is a   
   > bit   
   > easier.   
   > The warming-up test is less precise, hard to remember how warm was warm!   
      
      
   ** All you need to do is measure the resistance of the secondary winding   
   when at room temp and then when it has warmed.   
      
       The higher the resistance, the warmer the windings are getting.   
      
      
   ....  Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)