A fast quality assessment algorithm for phasor measurements

This paper proposes two procedures to compute the quality of phasor estimations. These procedures will enable phasor measurement units (PMUs) to report, with each measurement, the quality of the estimated phasor. The procedures rely solely on measured data and are independent of the algorithm used t...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2005-10, Vol.20 (4), p.2407-2413
Main Authors: Donolo, M.A., Centeno, V.A.
Format: Article
Language:English
Subjects:
Algorithms
Applied sciences
Councils
Distortion measurement
Disturbances. Regulation. Protection
Electrical engineering. Electrical power engineering
Electrical power engineering
Estimates
Exact sciences and technology
Frequency
Frequency measurement
Measurement units
Parameter estimation
phasor measurement
phasor measurement unit (PMU)
Phasor measurement units
Phasors
Power networks and lines
Power system faults
Quality assessment
Testing
Testing. Reliability. Quality control
Time measurement
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Description
Summary:This paper proposes two procedures to compute the quality of phasor estimations. These procedures will enable phasor measurement units (PMUs) to report, with each measurement, the quality of the estimated phasor. The procedures rely solely on measured data and are independent of the algorithm used to obtain the phasor estimate. These procedures were conceived by requiring a reduced number of numerical operations to make its implementation possible in microcontroller-based PMUs. Perhaps the most important contribution of this paper is the suggestion that phasor measurements should, along with the time stamp, carry information on the quality of the phasor estimation.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2005.855473