Parametric average-value model of synchronous machine-rectifier systems

TitleParametric average-value model of synchronous machine-rectifier systems
Publication TypeJournal Article
Year of Publication2006
AuthorsJatskevich, J., S. D. Pekarek, and A. Davoudi
JournalEnergy Conversion, IEEE Transactions on
Volume21
Pagination9 - 18
Date Publishedmar.
ISSN0885-8969
Keywordsalgebra, dc-link dynamics, frequency-domain analysis, frequency-domain characteristics, large-signal time-domain transients, nonlinear algebraic functions, parameteric average-valued model, qd-rotor reference frame, rectifying circuits, rotors, synchronous machines, synchronous-machine-fed rectifier system, time-domain analysis, transfer function, transfer functions
Abstract

A new average-value model of a rectifier circuit in a synchronous-machine-fed rectifier system is set forth. In the proposed approach, a proper state model of the synchronous machine in the qd-rotor reference frame is used, whereas the rectifier/dc-link dynamics are represented using a suitable proper transfer function and a set of nonlinear algebraic functions that are obtained from the detailed model using numerical averaging. The new model is compared to a detailed simulation as well as to measured data and is shown to be very accurate in predicting the large-signal time-domain transients as well as small-signal frequency-domain characteristics.

URLhttp://dx.doi.org/10.1109/TEC.2005.847974
DOI10.1109/TEC.2005.847974

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