A fast procedure for constructing an accurate dynamic average-value model of synchronous machine-rectifier systems

TitleA fast procedure for constructing an accurate dynamic average-value model of synchronous machine-rectifier systems
Publication TypeConference Paper
Year of Publication2006
AuthorsJatskevich, J., S. Pekarek, and A. Davoudi
Conference NamePower Engineering Society General Meeting, 2006. IEEE
Pagination1 pp.
Keywordsdc filter configuration, dynamic average-value model, frequency-domain analysis, full-order qd generator model, large-signal time-domain transients, nonlinear algebraic functions, power filters, rectifiers, single operating mode, small-signal frequency-domain characteristics, synchronous machine-rectifier systems, synchronous machines, time-domain analysis
Abstract

Summary form only given. The analytical derivation of the average-value models for synchronous-machine-fed rectifier systems depends on many factors and is challenging in general. Various models presented in the literature rely on a single operating mode and a dc filter configuration. A recently proposed parametric approach utilizes a detailed simulation as a basis to establish an average-value model that uses a proper full-order qd generator model. This paper presents a procedure to extract the appropriate nonlinear algebraic functions to represent the rectifier averaged behavior. In contrast to existing methods, the proposed procedure does not require significant analytical derivations and/or computational resources and results in a highly accurate dynamic average-value model. The proposed methodology is validated with the results of detailed simulation and hardware experiment, and is shown to be very accurate in predicting the large-signal time-domain transients as well as the small-signal frequency-domain characteristics

URLhttp://dx.doi.org/10.1109/PES.2006.1708932
DOI10.1109/PES.2006.1708932

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