NDLI: Off-line detection, identification and correction of power system branch parameter errors

Content Provider	IEEE Xplore Digital Library
Author	Castillo, M.R.M. London, J.B.A. Bretas, N.G.
Copyright Year	2010
Description	Author affiliation: Department of Electrical Engineering, E.E.S.C.-University of São Paulo, 13560-480, Brazil (Castillo, M.R.M.; London, J.B.A.; Bretas, N.G.)
Abstract	A practical and efficient off-line approach to detect, identify and correct series and shunt branch parameter errors is proposed. The branches suspected to be with parameters errors are identified through an Identification Index (II). The II of a branch is the ratio between the number of measurements incident to that branch, whose normalized residuals are larger than one specified threshold value, and the total number of measurement incident to that branch. Using several measurements snapshots, the suspicious branches parameters are estimated, in a sequential form, via an augmented state and parameter estimator which increases the V-θ state vector for the inclusion of suspicious branch parameters. Several simulation results (with the IEEE 14, 30 and 57 bus systems) have demonstrated the high accuracy and reliability of the proposed approach to lead with single and multiple parameter errors in adjacent and non-adjacent branches.
Starting Page	1
Ending Page	7
File Size	427369
Page Count	7
File Format	PDF
ISBN	9781424465491
ISSN	19449925
e-ISBN	9781424465514
e-ISBN	9781424483570
DOI	10.1109/PES.2010.5589552
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmission line measurements Parameter estimation Power measurement Mathematical model State estimation Fluid flow measurement Measurement uncertainty Parameter Estimation Power Systems State Estimation Parameter Error Detection
Content Type	Text
Resource Type	Article

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