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以经济有效的方式,在变电站自动化系统中实现时间同步对电力系统稳定运行和故障分析十分重要。提出了一种优化的网络时间协议算法,介绍了该算法在变电站自动化系统中的实现。该算法在网络时间协议的基础上以纯软件的方式实现网络对时,简化了系统硬件结构,达到站控层同步时间精度要求。
In a cost-effective manner, it is very important to realize the time synchronization in the substation automation system for the stable operation and fault analysis of the power system. An optimized network time protocol algorithm is proposed, and the realization of the algorithm in the substation automation system is introduced. The algorithm simplifies the hardware structure of the system and achieves the requirements of time synchronization accuracy of the station-controlled layer when the network pair is realized by pure software based on the network time protocol.