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The traditional time synchronization algorithms based on the Network Time Protocol (NTP) obtain accurate time synchronization on the assumption that the round-trip delay is equal. A highly precise time synchronization method is preposed, which process the one-way delay in dynamic network. The implementation in the substation automation system(SAS) shows that the algorithm reduces network jitter, as...
Time synchronization of Substation Automation System (SAS) based on IEC61850 is studied in this paper. According to the request of time synchronization in SAS, the Network Time Protocol (NTP) is applied to SAS. Following the idea that the time offset is essentially caused by the frequency of clock itself so that it can be used for time synchronization with little or no additional cost, a new algorithm...
Time synchronization is one of core technologies in distributed systems and communication fields. The "Network Time Protocol" (NTP) is the current widely accepted standard for synchronizing clocks over the Internet. NTP uses a hierarchical scheme in order to synchronize the clocks in the network. It mainly adopts a phase-locked loop technique to adjust the local clock. This paper develops...
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