摘要智能化电网的发展对时间同步提出了越来越高的要求,高精度、大范围、高性能的时间同步系统成为电网正常运行的必要保证。本文通过分析IEEE1588实现高精度时钟同步的主要原理,利用PTP over SDH,在调度范围内建立了一个以调度中心为唯一时钟源的时钟同步网,达到了全网时间精度优于1μs的技术指标。
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