Basics of Power Factor Triangle

The power factor triangle explains the relationship between real, reactive, and apparent power.

Real power: It is denoted by P and is expressed in watts.

Reactive power: The power which continuously bounces back and forth between source and load is known as reactive power. It is denoted by Q and is expressed in var.

Apparent power: The product of voltage and current across the load. It is denoted by S and is expressed in volt-amperes (VA).

All these powers are related by the power factor. Check an example where it is used.
basics-of-power-factor-triangle

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