Time Synchronization

Experience with IEEE 1588 Time Synchronization for Substation Process Bus

The world's first installation of High Voltage substation with IEC 61850 Process Bus where IEEE 1588 Time Synchronization and dynamic multicast filtering have been used provides a good opportunity to understand the challenges in implementing these new technologies in the electric power industry. Part of this 110/10kV substation had been equipped with electronic CTs and PTs and Merging Units devices that convert analog signals to IEC 61850-9-2 digital format. Time synchronization had been realized with IEEE 1588 version II, implemented features regarding this standard included Transparent Clocks (TCs), peer-to-peer path delay measurement and BMC (Best Master Clock) algorithm for dynamic selection of the clock. More

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