power-factor measurement

基本解释

A power-factor measurement instrument based on P89V51RD2 is designed, which uses optical coupler and specific LED drive chip.
設計一種基於P89V51RD2的功率因數測量儀，採用光電隔離器和專用數碼琯敺動器。
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的測量誤差的加權算法。
In software design, polarity identification of CT, Power factor measurement, control algorithm for simplifying program and anti - interrupt methods are discussed.
軟件設計中詳細討論了CT極性的自動識別、功率因數測量方法以及簡化編程的控制算法和抗乾擾措施等問題。