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随着对电能传输过程保质量、高效率、强可靠的要求，时间同步设备对于电力系统安全运行以及故障检测尤为重要。文中介绍了以STC12C5A60S2单片微型计算机为控制器，NEO-6M为全球定位（GPS）授时定位的配电监测系统。首先，对系统的功能实现做了整体框架设计；其次，着重对配电参数的采集、GPS授时定位模块做软硬件设计以及进行PROTEUS仿真；然后，通过液晶显示器（LCD）12864实现GPS时间、地理位置显示；最后，设计上位机软件进行试验，完成整个系统功能的实现。“,”With the power transfer requiring ensuring quality,high efficiency,strong reliability,time synchronization equipments are particularly important for the safe operation and fault detection of power system.The distribution monitoring system based on single-chip controller STC12C5A60S2 and NEO-6M GPS timing module is introduced.First, the overall framework of the system is de-signed to achieve the paticular functions;second, hardware and software design is made mainly on the acquisition system of distri-bution parameters ,GPS timing and positioning module, PROTEUS simulation is done; then, GPS time and position displaying through LCD12864 is realized;finally, PC software is designed to achieve the the entire system function.