The paper introduces the concept of IEEE 1588 synchronization mechanisms and explains then in more detail how PTP was enhanced, e.g. by Transparent Clock (TC), peer-to-peer delay measurement, unicast operation, pure layer 2 operation,enhanced accurac

PQS-882 系列电能质量在线监测装置在时钟同步、事件标记功能，以及各电能质量指标参数测 量方法的标准化和指标参数的测量精度等各个方面均达到了 IEC61000-4-30 A级标准。 -PQS- 882 series power quality on-line monitoring device in the clock synchronization, event marking function, and the power quality parameters Quantity