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Dynamic simulation of cage induction machine with air gap eccentricity

Dynamic simulation of cage induction machine with air gap eccentricity

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This paper describes a method for the dynamic simulation of a cage induction machine with static and dynamic air gap eccentricity. The method is based on the winding function theory and extension of this theory to the nonuniform air gap case. A method of calculating all inductances in a machine with both static and dynamic air gap eccentricity is presented and a numerical analysis of a machine with specified parameters is presented. Stator line current spectra collected experimentally for both the static and dynamic eccentricity conditions confirm the results obtained by the proposed numerical model.

Inspec keywords: numerical analysis; inductance; stators; squirrel cage motors; machine theory; asynchronous machines; air gaps

Other keywords: stator line current spectra; numerical analysis; dynamic simulation; dynamic air gap eccentricity; winding function theory; static air gap eccentricity; inductance; cage induction machine

Subjects: Other numerical methods; Asynchronous machines

References

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      • G. Joksimović , M. Durović , J. Penman . Cage rotor MMF: winding function approach. IEEE Power Eng. Rev. , 64 - 66
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      • G. M. Joksimović , M.D. Durović , J. Penman , N. Arthur . Dynamic simulation of dynamic eccentricity in induction machines – winding function approach. IEEE Trans. Energy Conv. , 143 - 148
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      • H.A. Toliyat , M.S. Arefeen . A method for dynamic simulation of air-gap eccentricity in induction machines. IEEE Trans. Ind Appl. , 910 - 918
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      • J. Früchtenicht , H. Jordan , H.O. Seinsch . Exzentrizitätsfelder als ursache von Laufinstabilitäten bei Asynchronmaschinen - Teil 1 un Teil II. Archiv für Elektrotechnik. , 271 - 292
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