Definition of Power FactorThe power factor is equal to the real or true power P in watts (W) divided by the apparent power |S| in volt-ampere (VA):
PF = P(W) / |S(VA)|
PF - power factor.
P - the real power in watts (W).
|S| - apparent power - the magnitude of the complex power in volt·amps (VA).
Power factor calculations
For sinusoidal current, the p...
