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Matrix of Elastic Coefficients of Laminated Cores of Electric Machines

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Abstract

This study suggests an engineering procedure for calculating the elements of the matrix of elastic coefficients of the laminated core of an electric machine. The method is based on representing the core as a solid body of an orthotropic material, the mechanical parameters of which are determined by the experimental values of the core’s elastic moduli along and across the steel sheets.

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REFERENCES

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  2. Andreev, V.B. and Sakharov, I.E., Module of elasticity of the laminated package of a stator, Vestn. Elektroprom., 1962, no. 1.

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  4. Geller, R.L., Burakov, A.M., and Sinayuk, S.L., Strength indicators of glued packages of active steel of the stator of a turbine generator, in Dinamika i prochnost’ moshchnykh turbo- i gidrogeneratorov (The Dynamics and Strength of Powerful Turbo and Hydro Generators), Moscow: Energoatomizdat, 1987.

  5. Rabinovich, V.M. and Pevnaya, E.M., Characteristics of the stiffness of laminated magnetic circuits of electrical machines, Elektrotekhnika, 1989, no. 5.

  6. Birger, I.A. and Mavlyutov, R.R., Soprotivlenie materialov (Strength of Materials), Moscow: Nauka, 1986.

  7. Karpov, Ya.S., Lepikhin, P.P., and Taranenko, I.M., Mekhanika kompozitsionnykh materialov (Mechanics of Composite Materials), Kharkov: Khar’k. Aviats. Inst., 2004.

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ACKNOWLEDGMENTS

We thank engineer A.S. Kibardin for providing copies of works on laminated core stiffness.

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Authors and Affiliations

  1. Efremov Scientific and Research Institute of Electrophysical Apparatus, 196641, St. Petersburg, Russia

    A. V. Ivanov

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  1. A. V. Ivanov
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Correspondence to A. V. Ivanov.

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The authors declare that they have no conflict of interests.

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Translated by S. Kuznetsov

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Ivanov, A.V. Matrix of Elastic Coefficients of Laminated Cores of Electric Machines. Russ. Electr. Engin. 92, 630–635 (2021). https://doi.org/10.3103/S1068371221100072

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  • DOI: https://doi.org/10.3103/S1068371221100072

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