power-factor measurement

基本解釋

A power-factor measurement instrument based on P89V51RD2 is designed, which uses optical coupler and specific LED drive chip.
設(shè)計(jì)一種基于P89V51RD2的功率因數(shù)測(cè)量?jī)x，采用光電隔離器和專用數(shù)碼管驅(qū)動(dòng)器。
A weighted algorithm is proposed for reducing effectively the error caused by non-synchronous sampling in active power and power factor measurement.
提出了一種能有效地抑制由非同步采樣引起的有功功率及功率因數(shù)的測(cè)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(jì)中詳細(xì)討論了CT極性的自動(dòng)識(shí)別、功率因數(shù)測(cè)量方法以及簡(jiǎn)化編程的控制算法和抗干擾措施等問(wèn)題。