Define power factor.What is its value for pure inductor?
Answers
In electrical engineering, the power factor (PF or cosφ) is the ratio between the power that can be used in electric circuit (real power, P) and the power from the result of multiplication between the current and voltage circuit (apparent power, S). The power factor is defined as: PF ranges from zero to one.
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In electrical engineering, the power factor (PF or cosφ) is the ratio between the power that can be used in electric circuit (real power, P) and the power from the result of multiplication between the current and voltage circuit (apparent power, S). The power factor is defined as: PF ranges from zero to one.
The power factor is always represented by the term cosΦ.
Δ The minimum value of power factor is zero. This occurs in both pure capacitors and inductors where Φ = 90°. [cos90° = 0]
Δ The maximum value of power factor is one. This occurs in pure resistors where Φ = 0°. [cos0° = 1]