Power Factor Calculator





Formula

The formula to calculate the power factor is:

\[ PF = \frac{RP}{AP} \]

Where:

What is a Power Factor?

A power factor is a ratio between real and apparent power. It is the cosine of the phase angle between a sinusoidal voltage or current and its corresponding phase. The power factor is positive if it has a value greater than 1.00. A negative value indicates that reactive energy is being supplied to, or taken from, the load. This can be either an inductive or capacitive load, as these are both represented by a negative reactive component in electrical circuits.

Example Calculation

Let's assume the following values:

Step 1: Divide the real power by the apparent power:

\[ PF = \frac{1000}{1200} \approx 0.8333 \]

The Power Factor (PF) is approximately 0.8333.