The Use and Challenges of Precise Time in Electric Power SynchroPhasor Systems

Marc Weiss, Alison Silverstein, Francis Tuffner, Ya-Shian Li-Baboud

Abstract: Today, the principal way that power system owners and operators use precision timing is for protection system operation, event analysis, and in synchrophasor applications. Synchrophasor applications have among the most stringent precision time and time interval requirements due to high frequency reporting and the wide area distribution of phasor measurement units. This paper will describe the analysis of precision time requirements for some principal synchrophasor applications, and outline some of the efforts under way by the North American Synchrophasor Initiative (NASPI) and complementary industry standards activities in order to address the broad challenge of improving timing usage and reliability by electric industry users.
Published in: Proceedings of the 48th Annual Precise Time and Time Interval Systems and Applications Meeting
January 30 - 2, 2017
Hyatt Regency Monterey
Monterey, California
Pages: 351 - 366
Cite this article: Weiss, Marc, Silverstein, Alison, Tuffner, Francis, Li-Baboud, Ya-Shian, "The Use and Challenges of Precise Time in Electric Power SynchroPhasor Systems," Proceedings of the 48th Annual Precise Time and Time Interval Systems and Applications Meeting, Monterey, California, January 2017, pp. 351-366. https://doi.org/10.33012/2017.14995
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