A synchronous machine model for three-phase harmonic analysis and EMTP initialization

TitleA synchronous machine model for three-phase harmonic analysis and EMTP initialization
Publication TypeJournal Article
Year of Publication1991
AuthorsXu, W. W., H. W. Dommel, and J. R. Marti
JournalPower Systems, IEEE Transactions on
Volume6
Pagination1530 -1538
Date Publishednov.
ISSN0885-8950
Keywordselectromagnetic fields, electromagnetic transient program, EMTP initialization, equivalent circuits, frequency conversion, frequency-dependent three-phase equivalent circuit, harmonics, load flow, machine theory, nonlinear effects, saturation, synchronous machine model, synchronous machines, three-phase harmonic analysis, transient simulations, transients, unbalanced harmonic load flow
Abstract

A three-phase synchronous machine model is developed for unbalanced harmonic load flow analysis and for initializing EMTP (electromagnetic transient program) transient simulations. Two nonlinear effects, the frequency conversion and saturation, are represented in conjunction with the machine load flow constraints. The model is in the form of a frequency-dependent three-phase equivalent circuit. It can therefore be easily incorporated into existing harmonic programs for systemwide harmonic analysis. Thus, the generation of harmonies by synchronous machines under various load flow conditions and the harmonic interaction between machines and other harmonic sources can readily be analyzed

URLhttp://dx.doi.org/10.1109/59.117000
DOI10.1109/59.117000

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