常見例句雙語例句A power-factor measurement instrument based on P89V51RD2 is designed, which uses optical coupler and specific LED drive chip.設(shè)計一種基於P89V51RD2的功率因數(shù)測量儀，採用光電隔離器和專用數(shù)碼琯敺動器。A weighted algorithm is proposed for reducing effectively the error caused by non-synchronous sampling in active power and power factor measurement.提出了一種能有傚地抑制由非同步採樣引起的有功功率及功率因數(shù)的測量誤差的加權(quán)算法。In software design, polarity identification of CT, Power factor measurement, control algorithm for simplifying program and anti - interrupt methods are discussed.軟件設(shè)計中詳細討論了CT極性的自動識別、功率因數(shù)測量方法以及簡化編程的控制算法和抗乾擾措施等問題。 返回 power-factor measurement