Impedance characterization of a six-phase synchronous generator-rectifier system using average-value model

TitleImpedance characterization of a six-phase synchronous generator-rectifier system using average-value model
Publication TypeConference Paper
Year of Publication2004
AuthorsJatskevich, J., and T. Aboul-Seoud
Conference NameElectrical and Computer Engineering, 2004. Canadian Conference on
Pagination2231 - 2234 Vol.4
Date Publishedmay.
Keywords240 Hz, computer models, dynamic average-value model, electric impedance, frequency-domain, frequency-domain analysis, generator-rectifier system, impedance characterization, network analysis, numerical averaging, parametric approach, power electronic systems, power electronics, rectifier/DC-link dynamics, rectifiers, six-phase synchronous generator, switched model, synchronous generators, time-domain, time-domain analysis
Abstract

A parametric approach for developing a dynamic average-value model of a machine-rectifier system is presented. The method initially requires a detailed switched model from which the rectifier/DC-link dynamics are captured using numerical averaging. The method is applied to a 240 Hz 6-phase synchronous generator-rectifier system. This system exhibits several distinct modes of operation. The output impedance is extracted using the averaged model developed for one of the modes. The resulting model is compared against the detailed simulation and shown to be very accurate in the time- and in frequency-domains.

URLhttp://dx.doi.org/10.1109/CCECE.2004.1347689
DOI10.1109/CCECE.2004.1347689

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