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.
设计一种基于P89V51RD2的功率因数测量仪，采用光电隔离器和专用数码管驱动器。
A weighted algorithm is proposed for reducing effectively the error caused by non-synchronous sampling in active power and power factor measurement.
提出了一种能有效地抑制由非同步采样引起的有功功率及功率因数的测量误差的加权算法。
In software design, polarity identification of CT, Power factor measurement, control algorithm for simplifying program and anti - interrupt methods are discussed.
软件设计中详细讨论了CT极性的自动识别、功率因数测量方法以及简化编程的控制算法和抗干扰措施等问题。