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Determination of Parameters in the Universal Induction Motor Model

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3 Author(s)
Mirafzal, B. ; Allen-Bradley Drives Div., Rockwell Autom., Mequon, WI ; Skibinski, G.L. ; Tallam, R.M.

A systematic procedure to determine the parameters of a previously proposed low- to high-frequency induction motor model is presented. An analysis of the high-frequency behavior with regard to the impact of magnetic core selection, parasitic interturn and winding-to-frame capacitors, and skin effects of windings is investigated in greater detail for the proposed universal model of an induction motor. The model is universal in the sense that it is derived by extending the low-frequency standard T-equivalent circuit (IEEE Standard 112) to include high-frequency effects under both common- and differential-mode domains and can be used for transient reflected-wave studies and electromagnetic interference emissions in motor drive systems. A test-based method and an analytical approach, which are useful in application and design stages, respectively, are presented to determine the frequency characteristics of the induction motor. Findings of the investigation were verified experimentally with results presented in this paper.

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Industry Applications, IEEE Transactions on  (Volume:45 ,  Issue: 1 )