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Characteristic parameters for electrical bearing damage

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 (22.06.2022-24.06.2022)
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: 22.06.2022-24.06.2022
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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