The communication scheme of synchronous Phasor Measurement Unit (PMU), which has been developed in the form of double CPUs: Digital Signal Processor (DSP) and high-speed AVR MCU, is presented in this paper.

• 在基于数字信号处理器(DSP)和高速AVR系列单片机的双CPU协调工作的同步相量测量单元(PMU)研究开发的基础上,进行了其通信方式的研究。