power factor

English

power factor (plural power factors)

(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.

单词	power factor
释义	power factor English Noun power factor (plural power factors) (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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