Electrical and other maintenance Formulae
TO FINDSINGLE-PHASETHREE-PHASEDIRECT CURRENT
KilowattsI x E x PF
1000
I x E x 1.732 x PF
1000
  I x E  
1000
KVA I x E
1000
I x E x 1.732
1000
Horsepower (Output) I x E x %EFF x PF
746
I x E x 1.732 x %EFF x PF
746
I x E x %EFF
746
Amperes when Horsepower is known       HP x 746      
E x %EFF x PF
           HP x 746           
1.732 x E x %EFF x PF
  HP x 746  
E x %EFF
Amperes when Kilowatts is known  KW x 1000  
E x PF
    KW x 1000    
1.732 x E x PF
  KW x 1000  
E
Amperes when KVA is knownKVA x 1000
E
KVA x 1000
1.732 x E