Rich, Check you mail, I replied off list. Best, Will ----- Original Message ----- From: "R.Measures" To: "R.Measures" 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" > >> 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 > >>> > >>> > >>> > >>> ____________________________________________________ > >>> Start your day with Yahoo! - make it your home page > >>> http://www.yahoo.com/r/hs > >>> > >>> _______________________________________________ > >>> Amps mailing list > >>> Amps@contesting.com > >>> http://lists.contesting.com/mailman/listinfo/amps > >> > >> > >> -- ___________________________________________________________ > >> Sign-up for Ads Free at Mail.com > >> http://promo.mail.com/adsfreejump.htm > >> > >> _______________________________________________ > >> Amps mailing list > >> Amps@contesting.com > >> http://lists.contesting.com/mailman/listinfo/amps > >> > >> > > > > Richard L. Measures, AG6K, 805.386.3734. www.somis.org > > > > _______________________________________________ > > Amps mailing list > > Amps@contesting.com > > http://lists.contesting.com/mailman/listinfo/amps > > > > > > Richard L. Measures, AG6K, 805.386.3734. www.somis.org -- ___________________________________________________________ Sign-up for Ads Free at Mail.com http://promo.mail.com/adsfreejump.htm