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Description / Abstract:
This standard establishes common requirements for associating time tags with data items recorded or transmitted by intelligent electronic devices (IEDs). The standard specifies time-tag attributes and requirements for describing time-tag accuracy.
Purpose
This standard establishes consistent requirements for time tagging data items in a power system. This allows information from different sources to be more easily compared, thereby simplifying the process of event reconstruction and IED/system performance evaluation. This will lead to better power system reliability, gained through improved understanding of system operation under stressed conditions and a reduction in the cost of event analysis.