Burkov A.F., Kataev E.V., Kuvshinov G.E., Chupina K.V. —
The reliability analysis of electric motors used in modern electric drives
// Electronics and Machinery. – 2017. – ¹ 1.
– P. 1 - 6.
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Review: The research subject is the typical failures of electric motors used in modern electric drives. The authors consider such aspects of the topic as the constructive peculiarities of various types of electric motors and their typical failures. The paper demonstrates the dependence of the failure of constructional units of electric motors on the operational conditions, materials used, operation modes, etc. The authors consider the main forms of failure of direct-current motors. Special attention is given to the most widespread induction motors. The article contains the formula of fail-safe functioning of an induction motor winding. Based on the statistical data, the authors demonstrate the possibility of failure of various units of an electric motor under the impact of different factors. The authors formulate the conclusions about the ways to increase the reliability of particular types of electric motors and about the prospects of using various electric motors in modern electric drives. Based on the study results, the authors conclude that the most promising nowadays are switched jet engines and no-contact direct-current motors.
Keywords: electric motor, failure, life cycle, no-contact engines, direct-current motor, induction motor, switched jet engines , electric drives, reliability, electric motor winding
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