power factor

短语

[化] 功率因数

词形变化

power factors 复数 power factors

别名

pf

释义与例句

n.
  1. 1.

    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.

    商务 工程 物理

    The power factor is of interest because it is a measure of the power which does useful work.