Most Basic Generator Load Calculation Formula - Electrician Talk - Professional Electrical Contractors Forum
 Electrician Talk - Professional Electrical Contractors Forum Most Basic Generator Load Calculation Formula
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 07-21-2008, 02:09 PM #1 Member   Join Date: Jun 2008 Location: Mississippi Posts: 49 Rewards Points: 25 Most Basic Generator Load Calculation Formula I know that to be precise you must calculate the load of all equipment being fed by a generator, with special attention given to motor LRA (start amps). Though this wouldn't be realistic (100% pure resistive load), do I have the most basic load calculation formula for a generator correct? Single Phase: Amps X Volts = Watts X1000 = Kilowatts Three phase: Amps X Volts X 1.73 (Power Factor) = Watts X1000 = Kilowatts Now, with generators being rated with kvA instead of kilowatts, it would be.... Single phase: Volts X Amps / 1000 = kvA 3 ph: Volts X Amps X 1.73 / 1000 = kvA Are these formulas correct?
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 07-21-2008, 08:07 PM #2 Senior Member     Join Date: Mar 2007 Location: Gilbert's Corner VA Posts: 26,400 Rewards Points: 1,842 I * E = W/1000 = kw. DIVIDE not MULTIPLY
 The Following User Says Thank You to brian john For This Useful Post: jagdep (03-18-2012)
 07-22-2008, 01:53 PM #3 Member   Join Date: Jun 2008 Location: Mississippi Posts: 49 Rewards Points: 25 ^^ oops...that's right! Brain fart.

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