An application of orthonormal basis functions in power transformers wide band modeling

This paper is focused on the problem of obtaining wide band transformer models for electrical power system transient simulation purposes. It is analyzed the use of orthonormal basis functions models in such context. A model structure selection strategy, based on the transformer properties, is discus...

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Bibliographic Details
Main Authors: Oliveira, G.H.C., Maestrelli, R., Rocha, A.C.O.
Format: Conference Proceeding
Language:English
Subjects:
Context modeling
Parameter estimation
Power system analysis computing
Power system dynamics
Power system modeling
Power system simulation
Power system transients
Power transformers
System identification
Wideband
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Description
Summary:This paper is focused on the problem of obtaining wide band transformer models for electrical power system transient simulation purposes. It is analyzed the use of orthonormal basis functions models in such context. A model structure selection strategy, based on the transformer properties, is discussed and the frequency-domain parameter estimation procedure is presented. Identification results, based on actual transformer frequency response data, are presented and discussed.
ISSN:1948-3449
1948-3457
DOI:10.1109/ICCA.2009.5410415