The principle of phase measurementmethod for measuringpower system parameters is introduced and the system hardware construction of PMU(Phasor Measurement Unit)is given,which is based on high-speed CPU DS80C32with double serial ports.

• 在介绍了利用相量法计算电力系统参数原理的基础上,给出基于高速和双串口中央处理器DS80C32的相量测量单元PMU(PhasorMeasurementUnit)的系统硬件组成。