应用串口通信而编写的三相有功无功功率计算的一款上位机软件，该软件用串口通信实时的采集三相电能表数据，之后进行相关运算。该范例可作为串口通信及应用的极好实例！推荐正在学习的看一下其应用思路！-Written to the serial communication three-phase active and reactive power calculation of a PC software, the software' s real-time acquisition phase energy meter data to the serial communication, after the correlation operation. This example can be used as an excellent instance of the serial communication applications! Recommendation is to learn to look at their application ideas!