Numerical Validation of Parametric Average-Value Modeling of Synchronous Machine #x2013;Rectifier Systems for Variable Frequency Operation

TitleNumerical Validation of Parametric Average-Value Modeling of Synchronous Machine #x2013;Rectifier Systems for Variable Frequency Operation
Publication TypeJournal Article
Year of Publication2008
AuthorsJatskevich, J., and S. D. Pekarek
JournalEnergy Conversion, IEEE Transactions on
Volume23
Pagination342 -344
Date Publishedmar.
ISSN0885-8969
Keywordscomputer aided procedure, electromechanical dynamics, fixed generator speed, nonlinear functions, numerical validation, parametric average value modeling, rectifiers, synchronous machine rectifier systems, synchronous machines, valve by valve simulation, variable frequency operation, variable speed operation
Abstract

The derivation of accurate dynamic average-value models for synchronous machine-rectifier systems is challenging. A recently proposed parametric approach uses a computer-aided procedure for constructing the required averaged models, wherein the key nonlinear functions are extracted from a detailed (valve-by-valve) simulation. This letter shows that by using a judicious selection of parametric functions, a model obtained at a fixed generator speed is also valid for variable speeds. This is an important feature that makes this approach applicable to systems where electromechanical dynamics and variable speed operation is required.

URLhttp://dx.doi.org/10.1109/TEC.2007.908365
DOI10.1109/TEC.2007.908365

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