power factor

The ratio resulting in a percentage or number between 0 and 1, of true power (as measured in W) to apparent power (measured in VA).

See also Power Factor - facts vs fiction.

Power Factor is in common usage mainly in factories and large facilities. Power Factor corrections are made by adding Reactance (in the forms of Capacitance or Inductance) to a circuit. The general idea of Power Factor is to have as low Impedance as possible in a circuit.

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