Average-value modeling of automotive alternator-rectifier systems

TitleAverage-value modeling of automotive alternator-rectifier systems
Publication TypeConference Paper
Year of Publication2008
AuthorsChiniforoosh, S., P. Alaeinovin, A. Davoudi, J. Jatskevich, and P. L. Chapman
Conference NameIndustrial Electronics, 2008. IECon 2008. 34th Annual Conference of IEEE
Pagination2800 -2805
Date Publishednov.
Keywordsalternators, automobiles, automotive alternator-rectifier system, automotive electronics, automotive machine-converter system, average-value modeling, diode forward voltage drop, dynamic characterization, electromechanical transients, low voltage applications, rectifying circuits, semiconductor switches
Abstract

Average-value modeling is indispensable for dynamic characterization of automotive machine-converter systems. However, analytical derivation of accurate models at low voltage applications is challenging due to the non-ideal characteristics of semiconductor switches (rectifier diodes). This paper presents a parametric average-value model of a car alternator-rectifier system. The model parameters take into account the diode forward voltage drop and are extracted using detailed simulation, which avoids laborious analytical derivations. A detailed model of the system is implemented and validated experimentally. The proposed average-value model is verified against measurement and detailed simulation in predicting electromechanical transients.

URLhttp://dx.doi.org/10.1109/IECON.2008.4758402
DOI10.1109/IECON.2008.4758402

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