The IEEE 1588 Standard Precision Time Protocol (PTP) is a new solution for very precise time synchronization on Ethernet networks. The days of "non-deterministic" Ethernet seem to be over ...
IEEE 1588 is about to have a crucial impact on the process bus applications of IEC 61850. IEC 61850-9-2 requires highly synchronized sampling processes for current and voltage sensors (CTs and VTs) in a substation. Today the synchronization is implemented using a separate fibre link.
A good soure of technical background can be found at the following site: http://www.ieee1588.com
First products are already announced, e.g., by Tekron (New Zealand).
More to come ...
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