What is Power Factor?

Definition

The ratio of real power to apparent power in an AC electrical system, expressed as a value between 0 and 1. Poor power factor wastes energy and can result in utility penalties; drives and capacitor banks help correct it.

Related Terms

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Kilovolt-Ampere rating representing the apparent power capacity of a transformer...

kW Rating

Kilowatt rating indicating the real power output or consumption of a motor, driv...

Capacitor Bank

A group of capacitors connected together to store electrical energy, smooth DC b...

Browse all Power terms (46)

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