Tytuł artykułu

Influence of thermal-mechanical stress on the insulation system of a low voltage electrical machine

Tytuł czasopisma

Archives of Electrical Engineering


Yang, Liguo : Institute of Electrical Machines (IEM), RWTH Aachen University, Schinkelstraße 4, 52062 Aachen, Germany ; Pauli, Florian : Institute of Electrical Machines (IEM), RWTH Aachen University, Schinkelstraße 4, 52062 Aachen, Germany ; Hameyer, Kay : Institute of Electrical Machines (IEM), RWTH Aachen University, Schinkelstraße 4, 52062 Aachen, Germany


Słowa kluczowe

hotspot ; insulation system ; material fatigue ; thermal-mechanical stress

Wydział PAN

Nauki Techniczne




Polish Academy of Sciences


[1] Stone G.C., Boulter E.A., Culbert I., Dhirani H., Electrical insulation for rotating machines: design, evaluation, aging, testing, and repair, John Wiley & Sons (2004).
[2] Rothe R., Hameyer K., Life expectancy calculation for electric vehicle traction motors regarding dynamic temperature and driving cycles, 2011 IEEE International Electric Machines and Drives Conference (IEMDC), Niagara Falls, ON, Canada, pp. 1306–1309 (2011).
[3] Huang Z., Modeling and testing of insulation degradation due to dynamic thermal loading of electrical machines, Licentiate Thesis, Lund University, Lund (2017).
[4] Chen W., Nelson C., Thermal stress in bonded joints, IBM Journal of Research and Development, vol. 23, no. 2, pp. 179–188 (1979).
[5] Arrhenius S., On the heat of dissociation and the influence of temperature on the degree of dissociation of the electrolytes, Zeitschrift für Physikalische Chemie (in German, Über die Dissociationswärme und den Einfluss der Temperatur auf den Dissociationsgrad der Elektrolyte), vol. 4, no. 1, pp. 96–116 (1889).
[6] Dakin T.W., Electrical insulation deterioration treated as a chemical rate phenomenon, Transactions of the American Institute of Electrical Engineers, vol. 67, no. 1, pp. 113–122 (1948).
[7] Ruf A., Pauli F., Schröder M., Hameyer K., Lifetime modelling of non-partial discharge resistant insulation systems of electrical machines in dynamic load collectives, e & i Elektrotechnik und Informationstechnik (in German, Lebensdauermodellierung von nicht-teilentladungsresistenten isoliersystemen elektrischer maschinen in dynamischen lastkollektiven), vol. 135, no. 2, pp. 131–144 (2018).
[8] Pauli F., Schröder M., Hameyer K., Design and evaluation methodology for insulation systems of low voltage drives with preformed coils, 2019 9th International Electric Drives Production Conference (EDPC), Esslingen, Germany, pp. 1–7 (2019).
[9] Madonna V., Giangrande P., Lusuardi L., Cavallini A., Gerada C., Galea M., Thermal overload and insulation aging of short duty cycle, aerospace motors, IEEE Transactions on Industrial Electronics, vol. 67, no. 4, pp. 2618–2629 (2019).
[10] Sciascera C., Galea M., Giangrande P., Gerada C., Lifetime consumption and degradation analysis of the winding insulation of electrical machines, 2016 8th IET International Conference on Power Electronics, Machines and Drives (PEMD), Glasgow, UK, pp. 1–5 (2016).
[11] IEC 60505, Evaluation and qualification of electrical insulation systems (2011).
[12] Ruf A., Paustenbach J., Franck D., Hameyer K., A methodology to identify electrical ageing of winding insulation systems, 2017 IEEE International Electric Machines and Drives Conference (IEMDC), Miami, FL, USA, pp. 1–7 (2017).
[13] Pauli F., Ruf A., Hameyer K., Low voltage winding insulation systems under the influence of high du/dt slew rate inverter voltage, Archives of Electrical Engineering, vol. 69, no. 1, pp. 187–202 (2020).
[14] IEC 60034–18–41, Rotating electrical machines – Part 18–41: Partial discharge free electrical insulation system (Type I) used in rotating electrical machines fed from voltage converters – Qualification and quality control tests (2014).
[15] Nikolova G., Ivanova J., Interfacial shear and peeling stresses in a two-plate structure subjected to monotonically increasing thermal loading, Journal of Theoretical and Applied Mechanics, vol. 51 (2013).






DOI: 10.24425/aee.2021.136064 ; ISSN: 1427-4221 ; eISSN: 2300-2506