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Title:Estimating the parameters of a Thévenin equivalent system based on output voltage and current measurements: computational challenges and simulated studies
Author(s):Sanchez Amay, Christian
Advisor(s):Sauer, Peter W.
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Thévinen equivalent parameters
ill-conditioned system
computational challenges.
Abstract:This thesis presents a study of the computational challenges when estimating the Thévenin equivalent parameters at a large-scale power system network based on local measurements. The estimation will use a common mathematical method for an overdetermined system. The motivation is taken from phasor measurement unit (PMU) measurements at specific nodes across a transmission line for monitoring purposes. The ac equivalent system is simplified to a small dc circuit to study the possibility of encountering an ill-conditioned measurement set. Finally a second estimation technique, based on noisy measurements, is presented and compared against the first.
Issue Date:2012-09-18
Rights Information:Copyright 2012 Christian Sanchez Amay
Date Available in IDEALS:2012-09-18
Date Deposited:2012-08

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