PIC18F87J72设计的单相电能检测技术
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图2。PIC18F87J72电能检测PICtail™ Plus子板外形图
PIC18F87J72电能检测PICtail™ Plus子板主要特性：
Single phase energy measurement
Energy calculation firmware: Active/Reactive Energy, Forward/Reverse Energy, Active/Reactive/Apparent Power, RMS Current Voltage
Low cost shunt based design
Better than IEC Class 0.5 performance
Interface to Explorer 16 Development Board
图3。PIC18F87J72电能检测PICtail™ Plus子板电路图（1）
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