Inclusion of PMU current phasor measurements in a power system state estimator
Chakrabarti, S., Kyriakides, E., Ledwich, G., & Ghosh, A. (2010) Inclusion of PMU current phasor measurements in a power system state estimator. IET Generation, Transmission & Distribution, 4(10), pp. 1104-1115.
Three different methods of inclusion of current measurements by phasor measurement units (PMUs) in a power sysetm state estimator is investigated. A comprehensive formulation of the hybrid state estimator incorporating conventional, as well as PMU measurements, is presented for each of the three methods. The behaviour of the elements because of the current measurements in the measurement Jacobian matrix is examined for any possible ill-conditioning of the state estimator gain matrix. The performance of the state estimators are compared in terms of the convergence properties and the varian in the estimated states. The IEEE 14-bus and IEEE 300-bus systems are used as test beds for the study.
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|Item Type:||Journal Article|
|Keywords:||Jacobian Matrices, Electric Current Measurement, Power System Measurement, Power System State Estimation|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Engineering Systems
|Deposited On:||09 May 2011 13:11|
|Last Modified:||01 Mar 2012 00:32|
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