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Saturday, 11 October 2014

how to calculate kva

how to calculate kva

KVA = kilo volt ampere 

Kilo =  1000

KVA = volt * ampere 
                 1000

KVA =  V*I   
               1000

Example : 

    To find kva in high speed exhaust fan having 25 amps and operating  volt at 420 volt .

Formula:

kva = v*i/1000

Answer : 

      =  420 * 25   
             1000       
      

     = 10.5 kva

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