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" 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" > > 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" > > 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 -- ___________________________________________________________ Sign-up for Ads Free at Mail.com http://promo.mail.com/adsfreejump.htm