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Re: Self-built power transformer



>Date: Thu, 08 Oct 1998 20:57:03 -0600
>To: tesla-at-pupman-dot-com
>Subject: Re: Self-built power transformer
>From: Tesla List <tesla-at-pupman-dot-com>
>
>Original Poster: ESchulz531-at-aol-dot-com 
>
>Hello Mark
>	I am running on 240 volts, so for 9kva that's 37.5 amps.
>OK, how does 8 awg sound for 37.5 amps?  I think it would work real 
well.
>If you look at the resistance of 12 awg and compare it to 8 awg its 
only 
>2.5 times greater.  This means I will have 2.5 times more heat.  Since
>my transformer is in oil and I am only running it for at most 10 minute 
>intervals.  I Don't see why 12 awg wouldn't be sufficent.
>
>Erik Schulz

 Sorry to have to say this, but doubling the amperage going trough a 
wire is going to make the heat go up by four (the square of 2). 2.5 
times more power will mean 5times more heat. Do you really think AWG12 
will handle that much heat?

 Sam Barros.

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