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PIC18F87J72设计的单相电能检测技术

发布时间:2020-07-21 18:06:21 阅读: 来源:耳环厂家

本文介绍了PIC18F87J72主要特性,方框图,电能检测PICtail? Plus子板主要特性以及子板电路图。Microchip 公司的PIC18F87J72 是高性能MCU,采用nanoWatt技术,具有两路24位模拟前端(AFE),LCD驱动器。每路的SINAD为-90dB,THD为-101dBc,SFDR为103dB,低漂移内部基准电压(12 ppm/°C),可编程数据速率到64ksps,增益高达32V/V,目标应用在电表,功率测量和监视,手提仪表和医疗监视。

PIC18F87J72目标应用:? Energy Metering? Power Measurement and Monitoring? Portable Instrumentation? Medical Monitoring图1。PIC18F87J72(80引脚)方框图PIC18F87J72电能检测PICtail? Plus子板The PIC18F87J72 Energy Monitoring PICtail? Plus Daughter Board is a single phase energy monitor daughter board featuring the PIC18F87J72 high performance 8-bit MCU with 16/24-bit delta-sigma A/D converters. This low cost design uses a shunt for the current sensor in place of expensive current transformers. The PIC18F87J72 calculates active/reactive energy, forward/reverse energy, active/reactive/apparent power and RMS current/voltage. The Energy Monitoring PICtail Plus Daughter Board interfaces to the Explorer 16 Development Board (DM240001) where additional evaluation can be performed. Through the Explorer 16 Development Board, wired and wireless network connections can be made through other PICtail Daughter boards such as the Ethernet PICtail (AC164123) and the WiFi PICtail (AC164136-4).This Kit Contains:

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