What exactly is Power Factor?
Power Factor (i.e. Cos?) of a circuit can be defined as:
Cos? = the cosine of an angle between Voltage (V) and Current (I).
R/Z = Resistance/Impedance
VICos?/VI = True Power/Apparent Power
The value of power factor can never be greater than 1(Unity)
It is usual practice to attach the word �lagging� or �leading� with the numerical value of power factor to signify
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Mr. Muhammad Saqib, M.Sc. (PAK), Research Fellow (PAK), a member of IEEE, is a Fulbright Alumnus and earned his Master’s Degree in Electrical and Power Engineering from University Of Engineering And Technology Taxila, PAKISTAN.
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