Electrical bearing damage, a problem in the nano-and macro-range

V Schneider, C Behrendt, P Höltje, D Cornel… - Lubricants, 2022 - mdpi.com
Rolling bearings face different damaging effects: Besides mechanical effects, current-
induced bearing damage occurs in electrical drive systems. Therefore, it is of increasing …

A review of shaft voltages and bearing currents in EV and HEV motors

T Hadden, JW Jiang, B Bilgin, Y Yang… - IECON 2016-42nd …, 2016 - ieeexplore.ieee.org
In most mechanical and electrical systems, reliability is paramount. Consumers, users and
operators trust that their product will perform properly over its expected lifetime. Electric …

[图书][B] Condition monitoring of rotating electrical machines

P Tavner - 2008 - books.google.com
" A first edition of Condition Monitoring of Electrical Machines, written by Tavner and
Penman, was published in 1987. The economics of industry have now changed, as a result …

Film thickness in a grease lubricated ball bearing

H Cen, PM Lugt - Tribology international, 2019 - Elsevier
The film thickness for grease lubricated bearings is normally calculated using the base oil
viscosity, where it is assumed that the bearing is running under fully flooded conditions. It is …

Method for in situ film thickness measurement of ball bearings under combined loading using capacitance measurements

V Schneider, N Bader, H Liu, G Poll - Tribology International, 2022 - Elsevier
In this study, a novel capacitance based analytical method to monitor the film thickness in a
ball bearing under a combination of axial and radial load is presented. Furthermore, an …

Empirical formulae for the influence of real film thickness distribution on the capacitance of an EHL point contact and application to rolling bearings

V Schneider, HC Liu, N Bader, A Furtmann, G Poll - Tribology International, 2021 - Elsevier
Electrical bearing capacitance plays an important role in the prediction of harmful bearing
currents, which could lead to premature failure of the bearing and the entire drive system …

Investigation of staggered PWM scheme for AC common mode current minimization in SiC-based three-phase inverters

R Phukan, X Zhao, P Asfaux, D Dong… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The advent of SiC devices which results in lower rise times and steep at the inverter terminal
can compromise the common mode (CM)-conducted emissions' compliance, motor peak ac …

Measuring film thickness in starved grease-lubricated ball bearings: an improved electrical capacitance method

P Shetty, RJ Meijer, JA Osara, PM Lugt - Tribology Transactions, 2022 - Taylor & Francis
Presented in this article is a new method to measure the film thickness in a rolling bearing
running under starved conditions, such as in grease-lubricated bearings, using the electrical …

Quantitative measurements of film thickness in a radially loaded deep-groove ball bearing

K Jablonka, R Glovnea, J Bongaerts - Tribology International, 2018 - Elsevier
The evaluation of the lubricant film thickness in machine elements working in
elastohydrodynamic conditions is essential for the design aimed at improving their …

Influence of motor operating parameters on discharge bearing current activity

A Muetze, J Tamminen, J Ahola - IEEE Transactions on Industry …, 2011 - ieeexplore.ieee.org
While the cause-and-effect chains of inverter-induced bearing currents have been well
understood today, not much is known about the damage mechanism inside the bearings …