Weicker, Martin ; Binder, Andreas (2022)
Characteristic parameters for electrical bearing damage.
International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM'22). Sorrento, Italy (22.-24.06.2022)
doi: 10.1109/SPEEDAM53979.2022.9842046
Konferenzveröffentlichung, Bibliographie
Kurzbeschreibung (Abstract)
This paper focuses on different parameters to describe the sensitivity of a powertrain, consisting of a two-level voltage source inverter and an AC motor, to an electrical bearing damage due to bearing currents. This damage is mainly caused by fluting of the bearing raceways. Two characteristic parameters for electrical bearing damage have been introduced: apparent bearing current density J^b, apparent bearing power S^b and the related electrical bearing wear which are compared and discussed. Both have in common the electrical bearing current amplitude. This current is measurable via modifications at the bearing shields. Long-term tests with different apparent bearing current densities lead to a probabilistic prediction of critical values, above which bearing damage may occur due to fluting.
| Typ des Eintrags: | Konferenzveröffentlichung |
|---|---|
| Erschienen: | 2022 |
| Autor(en): | Weicker, Martin ; Binder, Andreas |
| Art des Eintrags: | Bibliographie |
| Titel: | Characteristic parameters for electrical bearing damage |
| Sprache: | Englisch |
| Publikationsjahr: | 2 August 2022 |
| Ort: | Piscataway, NJ |
| Verlag: | IEEE |
| Buchtitel: | 2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion |
| Veranstaltungstitel: | International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM'22) |
| Veranstaltungsort: | Sorrento, Italy |
| Veranstaltungsdatum: | 22.-24.06.2022 |
| DOI: | 10.1109/SPEEDAM53979.2022.9842046 |
| Kurzbeschreibung (Abstract): | This paper focuses on different parameters to describe the sensitivity of a powertrain, consisting of a two-level voltage source inverter and an AC motor, to an electrical bearing damage due to bearing currents. This damage is mainly caused by fluting of the bearing raceways. Two characteristic parameters for electrical bearing damage have been introduced: apparent bearing current density J^b, apparent bearing power S^b and the related electrical bearing wear which are compared and discussed. Both have in common the electrical bearing current amplitude. This current is measurable via modifications at the bearing shields. Long-term tests with different apparent bearing current densities lead to a probabilistic prediction of critical values, above which bearing damage may occur due to fluting. |
| Fachbereich(e)/-gebiet(e): | 18 Fachbereich Elektrotechnik und Informationstechnik 18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Elektrische Energiewandlung > Elektrische Energiewandlung 18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Elektrische Energiewandlung |
| Hinterlegungsdatum: | 07 Nov 2022 13:25 |
| Letzte Änderung: | 09 Mai 2023 12:55 |
| PPN: | 50762341X |
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