Re: [TCML] VA formula

[jhowson4@xxxxxxxxxxx]

This was given to me a year or so ago, not sure if the 2 is supposed to be a multiplier or a power 


P = (A*f/9.6)2 

Where: 
P = power in watts 
A = core area in square inches 
f = operating frequency 


Thanks, 
John "Jay" Howson IV 

----- Original Message ----- 
From: "Dan Casaregola" <ag2z@xxxxxxxxxxx> 
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx> 
Sent: Wednesday, December 1, 2010 6:26:36 PM 
Subject: [TCML] VA formula 

I have a MMot,(read Monster Microwave Transformer) which I want to estimate the VA rating of, and I lost my notes re volt-ampere calculation using the core area squared. This beast weighs 25 pounds, and is very well constructed. No welds, all 1/4 20 hardware, and 1/8 inch steel mounting brackets. Ideal for re-winding for heavy duty inductor or high current low voltage supply. Would appreciate the formula. Thank you. Dan 
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