【摘要】 介绍了数字化变电站通信设备采用的三种时钟同步技术,分析了优缺点。重点研究了数字化变电站时钟同步技术国际标准IEEE1588PTP精密时钟同步协议,分析了工作模式,结合实际情况,给出了数字化变电站通信设备时钟同步的解决方案,最后给出了对时钟同步系统的冗余考虑。更多还原

【Abstract】 It introduced three kinds of time synchronization technology of communication equipments that used in digital substation, analyzed advantage and disadvantage of each technology. As an important part, it investigated international standard of IEEE1588 PTP(Precision Time Protocol), and gives out working models and functions. According to actual instance, it put forward a good method to resolve the time synchronization for equipment used in building digital substations.更多还原