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Re: [TCML] Pole transformer specs

Well, assuming xxxx = 12470, then yes, they're the same :-)  Generally, you just toss out the "Y" voltage and pay attention to the rest.

However, if there is no "Y" voltage present, and the transformer is two-bushing, be aware that this may suggest that the transformer's insulation is not meant to support a grounded "Y" (one HV lead grounded) config.  If you plan to ground one lead as many folks do with two-bushing units, this distinction is worth paying attention to.  As voltage increases above 14400V, the likelihood of a two-bushing unit being "dela-only" seems to increase rapidly.

Cheers,
Aaron, N7OE

--- On Thu, 11/6/08, Jim Mora <wavetuner@xxxxxxxxx> wrote:

> From: Jim Mora <wavetuner@xxxxxxxxx>
> Subject: [TCML] Pole transformer specs
> To: "'Tesla Coil Mailing List'" <tesla@xxxxxxxxxx>
> Date: Thursday, November 6, 2008, 10:11 PM
> Hello Group:
> 
>  
> 
> What if any is the difference between say 12470Y/7200 and a
> 7200/xxxxY? They
> are both 7200 in single phase use, yes?
> 
>  
> 
> Thanks,
> 
> Jim Mora
> 
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