Sam,
If it were capacitance causing this, the voltage on either side of the
secondary would give an equal voltage reading wouldn't it?
Best,
Will
----- Original Message -----
From: "S. J. Blackwell" <w5lu@hotmail.com>
To: craxd@engineer.com, amps@contesting.com
Subject: Re: [Amps] Transformer core shorted to secondary winding??
Date: Sat, 23 Jul 2005 20:32:37 -0500
>
> Bill,
> Before going off on this transformer, look at my off list message.
> You are most likely measuring capacitively coupled volts with a
> high impedence volt meter. Ground the CT and remeasure you should
> get 1700 volts (or more with late yrs higher line volts) between
> each side and ground.
> Sam, W5Lu
>
> > From: "Will Matney" <craxd@engineer.com>
> > To: amps@contesting.com
> > Subject: Re: [Amps] Transformer core shorted to secondary winding??
> > Date: Sat, 23 Jul 2005 20:14:05 -0500
> >
> > Bill,
> >
> > It definately has a high-ohm short in the secondary. They've
> > wound the primary on the outside which I dont like to do. That
> > way the secondaries leaking to the core instead of the primary.
> > If the primary had been the first coil and it did that, it would
> > blow a fuse most likely. The best check to find it is use a
> > megger or a hipot, and it would make it show quickly.
> >
> > Best,
> >
> > Will
> >
> >
> > ----- Original Message -----
> > From: "Bill Smith" <ko4nrbs@yahoo.com>
> > To: amps@contesting.com
> > Subject: [Amps] Transformer core shorted to secondary winding??
> > Date: Sat, 23 Jul 2005 17:54:02 -0700 (PDT)
> >
> > >
> > > Transformer is a 3400vac CT
> > >
> > > All Secondary leads lifted and using a HV Probe (Fluke
> > > 80K-40)
> > >
> > > CT to chassis- 843 volts
> > > One side of secondary to chassis- 2450
> > > Other side of secondary to chassis- 863
> > >
> > > No continuity between secondary windings and the
> > > chassis when checked with an ohm meter.
> > >
> > > 73,
> > > Bill
> > >
> > >
> > >
> > > Bill Smith KO4NR
> > >
> > >
> > >
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> >
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