Elektriksel Formüller

VALUE1-PHASE3-PHASE
WATTS (W)I X E X PFI x E x 1.73 x PF
KILOWATTS (kW)E x L x PF
1000
E x I x 1.73 x PF
1000
AMPERES (I)kW x 1000
E x PF
kW x 1000
E x 1.73 x PF
KILOVOLT AMPERES (kVA)I x E
1000
I x E x 1.73
1000
FREQUENCY (Hertz orf)Rotor Poles x RPM
120
Rotor Poles x RPM
120
RPM (n)Hertz x 120
Rotor Poles
Hertz x 120
Rotor Poles
NUMBER OF ROTOR POLES (P)Hertz x 120
RPM
Hertz x 120
RPM
POWER FACTOR (PF)Actual Watts
I x E
Actual Watts
I x 1.73 x E
HORSEPOWER (HP)I x E x PF
746 x EFF
I x E x 1.73 x PF
746 x EFF
AMPERES (when kW is known)kW x 1000
E x PF
kW x 1000
E x 1.73 x PF
AMPERES (when kVA is known)kVA x 1000
E
kVA x 1000
E x 1.73
I=current amperes
E=voltage in volts
W=watts
kW=power in kilowatts
kVA=apparent power in kilo-volt-amperes
HP=output power in horsepower
RPM(n)=motor speed in revolutions per minute
ns=synchronous speed in revolutions per minute
Rotor Poles(P)=number of poles
Hertz(f)=frequency in cycles per second(CPS)
T=torque in pound-feet
EFF=efficiency as a decimal
PF=power factor as a decimal
HP=horsepower