Generac Power Systems RS5500

Electrical Formulas
To Find Known Values 1-phase 3-phase
Kilowatts (kW) Volts, Current, Power Factor
E X I
1000
E x I x 1.73 x PF
1000
KVA Volts, Current
E x I
1000
E x I x 1.73
1000
Amperes kW, Volts, Power Factor
kW x 1000
E
kW x 1000
E x 1.73 x PF
Watts Volts, Amps, Power Factor Volts x Amps E x I x 1.73 x PF
No. of Rotor Poles Frequency, RPM
2 x 60 x Frequency
RPM
2 x 60 x Frequency
RPM
Frequency RPM, No. of Rotor Poles
RPM x Poles
2 x 60
RPM x Poles
2 x 60
RPM Frequency, No. of Rotor Poles
2 x 60 x Frequency
Rotor Poles
2 x 60 x Frequency
Rotor Poles
kW (required for Motor) Motor Horsepower, Efficiency
HP x 0.746
Efficiency
HP x 0.746
Efficiency
Resistance Volts, Amperes
E
I
E
I
Volts Ohm, Amperes I x R I x R
Amperes Ohms, Volts
E
R
E
R
E = Volts I = Amperes R = Resistance (Ohms) PF = Power Factor
T e r m S y m b o l M e a s u r e m e nt
Current I Amps
Wattage P Watts
Voltage E Volts
Resistance R Ohms
E
E
003003
IIR
P
Constant S h i f t R e s u l t
Voltage
E
Resistance
Increase

Current
Decrease

Voltage
E
Resistance
Decrease

Current
Increase

Resistance
R
Voltage
Decrease

Current
Decrease

Resistance
R
Voltage
Increase

Current
Increase

Current
I
Resistance
Decrease

Voltage
Decrease

Current
I
Resistance
Increase

Voltage
Increase

Power
P
Voltage
Increase

Power
Increase

Power
P
Voltage
Decrease

Power
Decrease

Power
P
Current
Increase

Power
Increase

Power
P
Current
Decrease

Power
Decrease
