RE: [TCML] pole pig ballasting

["Jim Mora" <wavetuner@xxxxxxxxx>]

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.
>
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