Method for diagnostic of permanent-magnet electrical machines.

Authors

F.R Ismagilov, Department of Electromechanics, Ufa State Aviation Technical University, Russian Federation, Address: Ul. K. Marxa 12, Ufa, the Republic of Bashkortostan, Russian Federation, 450008
V.Ye Vavilov, Department of Electromechanics, Ufa State Aviation Technical University, Russian Federation, Address: Ul. K. Marxa 12, Ufa, the Republic of Bashkortostan, Russian Federation, 450008
V.V Ayguzina, Department of Electromechanics, Ufa State Aviation Technical University, Russian Federation, Address: Ul. K. Marxa 12, Ufa, the Republic of Bashkortostan, Russian Federation, 450008Follow

Abstract

This paper proves that the use of conventional diagnostic methods of rotor crack and local demagnetization based on the harmonic analysis of the output voltage or back-electromotive force is effective only with a certain ratio of the number of slots and poles. This statement was proved experimentally. The diagnostic method of the rotor cracks and local demagnetization which is universal for all types of windings and the number of slots of 2-pole synchronous electric machines with permanent magnets is proposed. The mathematical apparatus for the implementation of the proposed method is developed and is verified with the help of FEM and experimental studies. All the experimental studies have been carried out for various rotor magnetic systems and a different number of stator slots.

First Page

113

Last Page

118

References

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Recommended Citation

Ismagilov, F.R; Vavilov, V.Ye; and Ayguzina, V.V (2018) "Method for diagnostic of permanent-magnet electrical machines.," Chemical Technology, Control and Management: Vol. 2018: Iss. 3, Article 25.
DOI: https://doi.org/10.34920/2018.4-5.113-119