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Transient model of induction machine using rotating magnetic field approach. (English) Zbl 1205.78047

Summary: Most simulation models of electric machines use the coupled circuit approach, where the machine is considered as an electric circuit element with time-varying inductances (\(abc\) model) or with constant inductances (\(dq0\) model). On the other hand, the rotating magnetic field approach, which considers the electric machine as two groups of windings producing rotating magnetic fields and can give insight into internal phenomena of the machines, has not yet received much attention in electric machines modeling, especially for machine transient analysis. Based on the rotating magnetic field approach, this paper presents a transient model of the induction machine including main flux saturation effect. Based on the direct computation of the magnetizing fluxes of all machine windings, the model represents the instantaneous main flux saturation by simply introducing a main flux saturation factor. No iteration process is involved to incorporate the saturation effects. The model combines the advantages of the \(dq0\) and \(abc\) models advantages, such as rapid computation time and nonsymmetrical conditions simulation, respectively. Simulation results and experimental tests present advantages and a verification of the model.

MSC:

78A55 Technical applications of optics and electromagnetic theory
78-05 Experimental work for problems pertaining to optics and electromagnetic theory
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References:

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