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This paper presents a method to construct a general purpose time domain simulator for power electronic drives of electrical machines. The electrical machine is modelled by the two-dimensional finite element method. An efficient formulation for handling strongly nonlinear power electronic components is presented. the power electronic circuit and the connections of windings of the machine may have an arbitrary topology which is given by a net-list file (SPICE-type input file). The method is based on the handling of the field and the circuit models as a single system of equations. The applicability of the mehod is investigated with three example cases. Two of the example simulations are verified by measurements.
Übersicht
In der Arbeit wird ein Verfahren vorgestellt, womit für allgemeine Anwendungen ein Simulator im Zeitbereich für den leistungselektronischen Antrieb der elektrischen Maschine konstruiert werden kann. Die elektrische Maschine wird mit der zweidimensionalen Methode der finiten Elemente modelliert. Für die Behandlung stark nichtlinearer Komponenten der Leistungselektronik wird ein wirksames Verfahren vorgestellt. Die freiwählbare Topologie des Netzwerks der Leistungselektronik und die beliebige Schaltung der Wicklungen der Maschine werden in einer Eingabedatei festgelegt (SPICE-type input file). Mit diesem Verfahren wird die Berechnung der magnetischen Felder und der Elektronik in einem einzigen Gleichungssystem zusammengefaßt. Das Verfahren wird mit drei Simulationsergebnissen untersucht. Zwei der Simulationsergebnisse wurden auch mit Messungen verglichen und verifiziert.
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Väänänen, J. Construction of a power electronic simulator including two-dimensional finite element modelling of electrical machines. Electrical Engineering 78, 41–50 (1994). https://doi.org/10.1007/BF01233217
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DOI: https://doi.org/10.1007/BF01233217