基于GPRS网络的农村电网监测系统设计
Design on a monitoring system of rural power grids based on GPRS
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摘要: 设计了一种基于GPRS网络的农村电网监测系统.该系统利用STC12C5410AD单片机片内定时器测量频率和相位差,与采样、放大、精密整流和滤波电路配合,通过瞬时采样法测量电压、电流有效值,并把正常运行信息和故障信息通过GPRS无线通信模块传送给数据中心.该系统具有体积小、价格低、功耗低、方便实用、稳定可靠等特点,是电网参数远程监测的一个有效的解决方案.
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关键词:
- 瞬时采样 /
- 农村电网 /
- 监控系统 /
- 通用分组无线业务(GPRS)
Abstract: A monitoring system of rural power grids based on GPRS was designed.In this system,the difference of frequence and phase was measured via the internal timer of MCU STC12C5410AD.The normal running information and fault information through GPRS wireless communication module would be sent to data center by instantaneous sample of effective value voltage and current to cooperate with sampling,magnifying,precision rectifier and filter circuit.The system had features such as small volume,low price,low power consumption,convenience,stability and reliability.It would be an effective solution to remote monitoring of parameters of power system. -
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