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 ener

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