Power-factor Definition

noun

(electrical, engineering) The ratio of the actual power to the apparent power in an alternating current power system; specifically, the cosine of the phase angle between the voltage and the current.

The power factor is of interest because it is a measure of the power which does useful work.
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Other Word Forms of Power-factor

Noun

Singular:
power-factor
Plural:
power-factors

Power-factor Sentence Examples

  • When the service is frequent enough to give a good power factor continuously, the steam locomotive cannot compete with the electric motor for the purpose of quick acceleration, because the motors applied to the axles of a train may for a short time absorb power from the central station to an extent far in excess of anything which a locomotive boiler can supply.

  • The power factor can be improved by decreasing the tank capacitance.

  • The graph above shows the effect of using offset electrodes on the power factor of the system.

  • One provides zero volt switching for single-phase resistive loads or for motors where the power factor is greater than 0.8.

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Words Starting With

PPOPOW

Words Ending With

RORTOR

Unscrambles

power-factor

Words Starting With P and Ending With R

Starts With P & Ends With RStarts With PO & Ends With RStarts With P & Ends With OR

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12 Letter Words12 Letter Words Starting With P12 Letter Words Ending With R