E3S Web Conf.
Volume 220, 2020Sustainable Energy Systems: Innovative Perspectives (SES-2020)
|Number of page(s)||5|
|Published online||16 December 2020|
Destruction of electrical insulating structures of electric motors during various drying techniques
Salavat Branch of Ufa State Petroleum Technological University, Gubkina Street 67, Salavat, the Republic of Bashkortostan, 453250, Russia
2 Vologda State University, Lenina Street 15, Vologda, 160000, Russia
3 Kazan State Power Engineering University, str. Krasnoselskaya, 51, 420066, Kazan, Russia
* Corresponding author: email@example.com
The paper discusses the problem of drying electric motors in a humid environment. The study considers the influence of oven, current, electroosmotic, convective-electroosmotic drying methods on defect formation in electrical insulating materials of electric motors. Thermal oven drying destroys the insulation system of electric motors for an order of magnitude higher than other methods and has a lot of negative consequences. The electroosmotic and convective-electroosmotic drying processes do not have disadvantages of thermal drying methods, or these disadvantages are kept to a minimum. It is shown that electroosmotic and convective-electroosmotic drying result in a uniform distribution of moisture content in the volume of electrical insulating materials. This reduces the likelihood of dangerous stresses and subsequent cracking. Electroosmotic and convective-electroosmotic drying have little effect on defect formation processes in the insulation system of electric motors and, thus, almost do not reduce the service life of electric motors.
© The Authors, published by EDP Sciences, 2020
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