IDENTIFICATION OF A COMPOSITE LOAD MODEL WITH APPLICATIONS
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IDENTIFICATION OF A COMPOSITE LOAD MODEL WITH APPLICATIONS
Automation of Electric Power SystemsVol. 26, Issue 24, (2002)
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Published:2002
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[J]. Automation of electric power systems, 2002, 26(24).
DOI:
[J]. Automation of electric power systems, 2002, 26(24).DOI:
IDENTIFICATION OF A COMPOSITE LOAD MODEL WITH APPLICATIONS
摘要
Composite induction motor load models have been long studied in power systems. However
the identifiability problem of the load model
i.e. whether the parameters could be identified with the measured data
has not been studied. It is found in this paper that the 3rd order composite induction motor load model is structural unidentifiable with presteady and dynamic response
but identifiable with adding poststeady. Both theoretical analysis and case studies approve the conclusions. Then a genetic algorithm is applied for estimating the parameters of the load model. Practical applications are reported.
Abstract
Composite induction motor load models have been long studied in power systems. However
the identifiability problem of the load model
i.e. whether the parameters could be identified with the measured data
has not been studied. It is found in this paper that the 3rd order composite induction motor load model is structural unidentifiable with presteady and dynamic response
but identifiable with adding poststeady. Both theoretical analysis and case studies approve the conclusions. Then a genetic algorithm is applied for estimating the parameters of the load model. Practical applications are reported.