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Select phase number, Enter voltamps in VA, voltage in volts, to get the current in amperes:


 


 
Result

How this formula works :  
Single phase VA to amps calculation formula :
 
3 phase VA to amps calculation formula :

Examples : ☛ Suppose 20 MVA three phase transformer having rated line to line voltage of 66000 volts how much full load current it can carry. = 20 MVA / (1.732 x 66 kV) = 20000000 / (1.732 x 66000) = 174.959 Amps (To cross check use above calculator with same values) 
Terminology used :  
VA :
 
Voltage :
 
Volts :
 
Current :
 
Ampere :
 
Diffence in single & three phase supply :

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