Saturday, 11 October 2014

how to calculate VA

How to find VA (or) Volt ampere

VA = Volt ampere

VA = volt * ampere

VA = V*I 

Example :
    
    To find VA in  Single phase 220 v , 5 A  Air cooler.

V = 220 volts

A = 5 amps 

Formula :
  
VA = V*I

       = 220*5

  VA      =  1100 Volt ampere 
By
protection, Control system, Transformer

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