基于DLPTP时钟同步机制的电力用电信息采集系统对时方法研究

针对电力用电信息采集系统内主站、采集终端、电能表时钟的准确性问题,在电力系统传输规约的基础上自定义DLPTP协议,采用GPS首先对主站时间进行校准,然后以主站为基准,采用DLPTP协议对采集终端进行对时,最后调整电能表设备的时钟,逐步实现系统时钟的同步,从而保证了系统内所有设备时钟的一致性,有效提升了系统内采集数据的准确性。

Research based on the time clock synchronization mechanism DLPTP power information collection system

The electric information acquisition system master station, data acquisition terminal, electric energy meter clock accuracy for power, this custom transmission protocol of power system based on DLPTP protocol, using GPS first calibrate the master of time, and then to the main station for reference, using DLPTP protocol by time of acquisition terminal, the final adjustment of electric energy meter the clock of the equipment, and gradually realize the synchronization of the system clock, so as to guarantee the consistency of all equipment clock system, effectively improve the accuracy of data acquisition system.