Rich,
Check you mail, I replied off list.
Best,
Will
----- Original Message -----
From: "R.Measures" <r@somis.org>
To: "R.Measures" <r@somis.org>
Subject: Re: [Amps] Transformer core shorted to secondary winding??
Date: Sun, 24 Jul 2005 06:11:38 -0700
>
>
> On Jul 24, 2005, at 5:04 AM, R.Measures wrote:
>
> > Winding the secondary closest to the core reduces the length of wire
> > used, which secondary Cu loss. This is also done on the SB-220.
>
> (correcton -- should say which =s less secondary Cu loss)
>
> >
> > On Jul 23, 2005, at 6:14 PM, Will Matney wrote:
> >
> >> 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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> >>
> >>
> >
> > Richard L. Measures, AG6K, 805.386.3734. www.somis.org
> >
> > _______________________________________________
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> >
> >
>
> Richard L. Measures, AG6K, 805.386.3734. www.somis.org
--
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