一种功率因数角测量的数字实现方法

A Digitized Realization of Power-factor Angle’s Measurement

本文分析了基于CPLD进行功率因数角测量的基本原理,给出了硬件实现电路及VHDL源程序,并给出了仿真结果,进一步简化了电路,提高了系统的可靠性和灵活性,获得了很高的测相位精度和稳定性。

In this paper, the principle of power-factor angle metrical apparatus based on CPLD is analyzed, and the hardware circuit , the VHDL program and the realization of simulation result are also given. The circuit are simplified, and the dependability and agility of the system are improved. So the circuit can get high measurement precision and stability.