Measurement accuracy limitation analysis on synchrophasors

TitleMeasurement accuracy limitation analysis on synchrophasors
Publication TypeConference Paper
Year of Publication2015
AuthorsJiecheng Zhao, Lingwei Zhan, Yilu Liu, Hairong Qi, Jose R Garcia, Paul D Ewing
Conference Name2015 IEEE Power & Energy Society (PES) General Meeting
Date Published07/2015
Conference LocationDenver, CO, USA

This paper analyzes the theoretical accuracy limitation of synchrophasors measurements on phase angle and frequency of the power grid. Factors that cause the measurement error are analyzed, including error sources in the instruments and in the power grid signal. Different scenarios of these factors are evaluated according to the normal operation status of power grid measurement. Based on the evaluation and simulation, the errors of phase angle and frequency caused by each factor are calculated and discussed.