RE: [TCML] pole pig ballasting

["" <dr.hankenstein@xxxxxxxxxxxxx>]

First I am assuming the xfmr has two high side bushings and two low side
bushings. That being said for 277 volts into the low side, you should get
7200 volts out of the high side, according to your name plate.

Woo


> [Original Message]
> From: Jim Mora <wavetuner@xxxxxxxxx>
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Date: 7/18/2008 7:54:25 PM
> Subject: RE: [TCML] pole pig ballasting
>
> Hello,
>
> Don't get this reversed or it will be your last mistake!
>
> One way to test it is to apply 120volts to the High Voltage, tall, LARGE
> insulators on TOP and measure the voltage on the 240 low volt outer
> connections on the side. Divide 120 by this voltage and that is the ~turns
> ratio. If you have 2 volts the ratio is 60 and it is a 14,400v if it is 4
> volts it's a 7200v. Simply by multipling 240 by the turns ratio you know
the
> high voltage IE: 60*240=14400 
>
> Jim Mora 
>
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
> Of garry neeley
> Sent: Thursday, July 17, 2008 11:37 AM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] pole pig ballasting
>
> I hope it isn't 7200v.  I haven't tested it yet.  The nameplate says
primary
> volts 12470, secondary 277/480y.  So what is it guys 7200 or 12470?
>
> On Thu, Jul 17, 2008 at 12:47 PM, <jaholmes@xxxxxxxxxxxxxxxxxx> wrote:
>
> > You're sure it's a 12470V primary?  That would be an oddity indeed.  I'm
> > guessing the primary voltage on the nameplate probably reads something
> like
> > "7200 / 12470Y".  The "12470Y" part is largely irrelevant; this would
be a
> > 7200V transformer.  The "Y" voltage on pole transformers is a common
> source
> > of confusion.
> >
> > Cheers,
> > Aaron, N7OE
> >
> > --- On Thu, 7/17/08, garry neeley <bamacoiler@xxxxxxxxx> wrote:
> >
> > > From: garry neeley <bamacoiler@xxxxxxxxx>
> > > Subject: Re: [TCML] pole pig ballasting
> > > To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> > > Date: Thursday, July 17, 2008, 10:29 AM
> > > That's awesome.  I wasn't aware of any other coiler
> > > beside David Rieben up
> > > in TN this close.  BTW Philip where do you work at?
> > > I'm a calibration
> > > technician and work at Wyle Laboratories in Madison.  I
> > > would have loved to
> > > make the trip to see the green monster.  BTW David I
> > > didn't even open the
> > > link to your coil because I've been drooling at it for
> > > a couple years now.
> > > I've known of you for at least that long.  I'm a
> > > pretty quiet forum
> > > person.(actually I haven't been following the list for
> > > awhile lately.  David
> > > my pig is 277in  12470 out 50kva industrial unit.  I saved
> > > iit from the
> > > scrapyard when they replaced 3 pigs recently her at Wyle.It
> > > would be a
> > > pleasure to get together with you guys sometime.  I
> > > don't have an actual
> > > working coil at the moment but am in the planning (and
> > > aquiring)stage for my
> > > pig powered coil atm.
> >
> >  _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
> >
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