Re: [TCML] Transformer Sources

[Yurtle Turtle <yurtle_t@xxxxxxxxx>]

The buck/boost transformers I've used were small. I may be wrong (it's way past beer-thirty) but if you're only adding 20 volts then wouldn't the current split also be proportional? 20 volts at 20 amps is 400 VA. 140 volts at 20 amps is 2.8 kVA.


--- On Fri, 3/13/09, BunnyKiller <bunnikillr@xxxxxxx> wrote:

> From: BunnyKiller <bunnikillr@xxxxxxx>
> Subject: Re: [TCML] Transformer Sources
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Date: Friday, March 13, 2009, 5:17 PM
> Hey Jim...
> 
> Lost me on this set up...  where can I find some schematics
> on this type of wiring?  Im still trying to understand how a
> 400VA trannie can handle 2.5KW load...
> Is the low voltage trannie added to the line voltage for
> 140V?
> 
> Scot D
> 
> >> 
> > Don't need a step up transformer for the full
> power. Use the boost/buck style connection with a low
> voltage (20V) transformer. Primary across the line,
> secondary in series with the line.
> > 
> > 2.4kW @ 120V is about 20Amps.. so all you need is a
> 20V 20A transformer, which is about 400VA.  They're a
> standard electrical supply house thing, or there's lots
> of 24VAC out 120V in transformers around for applications
> like sprinkler controls, landscape lighting, low voltage
> lightning, etc.
> > 
> > 
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> 
> 
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