The Influence of Bearing Bore Wear on Power Indicators of the Traction Motor Gear Unit

2024 IEEE International Conference and Exposition on Electric and Power Engineering (EPEi 2024): Proceedings 2024
Genādijs Kobenkins, Marks Marinbahs, Ņikita Riļevs, Anatolijs Bižāns, Oļegs Sļiskis

The article analyzes and evaluates the components of traction motor-gear units of electric trains operating on regional lines at speeds of up to 160 km/h, focusing on the durability and performance of these components. It was found that the most worn parts of the electric motors and gear units are the bearing holes in the motor shield and the gearbox housing, which are subjected to significant stress and wear over time. Based on the simulations conducted, the critical wear limits were determined, taking into account various factors such as load, speed, and environmental conditions. These limits were found to depend significantly on the material of the bearing shields, which can be restored to their original condition using advanced electrophysical methods, thereby extending the service life of the components and improving the overall reliability of the trains.

Keywords
component wear, traction electric drive, bearing holes, air gap.
DOI
10.1109/EPEi63510.2024.10758112
Hyperlink
https://ieeexplore.ieee.org/document/10758112

Kobenkins, G., Marinbahs, M., Riļevs, Ņ., Bižāns, A., Sļiskis, O. The Influence of Bearing Bore Wear on Power Indicators of the Traction Motor Gear Unit. In: 2024 IEEE International Conference and Exposition on Electric and Power Engineering (EPEi 2024): Proceedings, Romania, Iasi, 17-19 October, 2024. Piscataway: IEEE, 2024, pp.1-5. ISBN 979-8-3503-5620-5. e-ISBN 979-8-3503-5619-9. Available from: doi:10.1109/EPEi63510.2024.10758112

Publication language
English (en)