单片机在功率因数监控系统中的应用

Application Micro-chip Controller in Power Factor Supervisory System

较为详细地介绍功率因数监控系统的基本原理,通过检测电流、电压信号的相位差判断系统的功率因数角来控制补偿系统。系统由信号采集电路、模数转换电路、输出控制电路、显示电路及软件程序构成。实践证明,该监控系统在工程上具有较高的实用价值。

This paper give a more detailed description of the power factor of the basic principles of monitoring system, by detecting the current, voltage signal phase to determine the system to control the angle of power factor compensation system. System consists of signal acquisition circuit, analog-digital conversion circuitry, the output control circuit, display circuit and software programs, it proves that the monitoring system in the engineering of high practical value by practice.