| Issue |
E3S Web Conf.
Volume 383, 2023
International Scientific Conference Transport Technologies in the 21st Century (TT21C-2023) “Actual Problems of Decarbonization of Transport and Power Engineering: Ways of Their Innovative Solution”
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|---|---|---|
| Article Number | 01011 | |
| Number of page(s) | 8 | |
| Section | A Low-Emission Railway | |
| DOI | https://doi.org/10.1051/e3sconf/202338301011 | |
| Published online | 24 April 2023 | |
Fatigue aging of insulation of traction motors of diesel locomotives
St. Petersburg State University of Railway Transport of Emperor Alexander I, 9 Moskovsky pr., 190031, St. Petersburg, Russia
* Corresponding author: goshapti4ka@yandex.ru
This paper analyzes the problem of occurrence and development of fatigue processes in the insulation of traction motors of autonomous locomotives. Factors causing destruction (cracking, delamination, occurrence of voids) of insulation in operation have been studied in the course of the research. Three characteristic stress cycles (reversible, repetitive, random) were described to make fatigue failure predictions. Outcomes of investigations of temperature conditions of windings of electric machines of diesel locomotives show that during operation the insulation experiences variable thermomechanical stresses. Received data can be recommended to take into account during the creation of new electric machines for diesel locomotives, as well as during the operation and resource recovery of already existing ones.
Key words: locomotive traction motor / traction motor insulation
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
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