Combined Numerical and Experimental Determination of Ball Bearing Capacitances for Bearing Current Prediction

Peng Han; Greg Heins; Dean Patterson; Mark Thiele; Dan M. Ionel

doi:10.1109/ECCE44975.2020.9235700

Combined Numerical and Experimental Determination of Ball Bearing Capacitances for Bearing Current Prediction

Peng Han, Greg Heins, Dean Patterson, Mark Thiele, Dan M. Ionel

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

9 Scopus citations

Abstract

High-frequency voltages across the steel ball bearings and the corresponding currents can cause premature bearing failures in electric machines driven by PWM converters. The bearing voltage, one of the most commonly-used failure indicators, depends heavily on the bearing capacitance. This paper presents a combined numerical and experimental approach for the calculation of ball bearing capacitances to address the uncertainty introduced by lubricant property, lubrication status and other metal parts, such as seals and ball retainers. Based on the obtained capacitance breakdown, the influences of temperature, speed and bearing load (radial, axial or combined) on the capacitance are studied. Measurements and associated results of bearing capacitances are provided to validate the proposed method.

Original language	English
Title of host publication	ECCE 2020 - IEEE Energy Conversion Congress and Exposition
Pages	5590-5594
Number of pages	5
ISBN (Electronic)	9781728158266
DOIs	https://doi.org/10.1109/ECCE44975.2020.9235700
State	Published - Oct 11 2020
Event	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020 - Virtual, Detroit, United States Duration: Oct 11 2020 → Oct 15 2020

Publication series

Name	ECCE 2020 - IEEE Energy Conversion Congress and Exposition

Conference

Conference	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020
Country/Territory	United States
City	Virtual, Detroit
Period	10/11/20 → 10/15/20

Bibliographical note

Publisher Copyright:
© 2020 IEEE.

Keywords

Bearing current
PWM inverter
bearing voltage
capacitance
electric machine

ASJC Scopus subject areas

Electrical and Electronic Engineering
Mechanical Engineering
Control and Optimization
Energy Engineering and Power Technology

Access to Document

10.1109/ECCE44975.2020.9235700

Cite this

Han, P., Heins, G., Patterson, D., Thiele, M., & Ionel, D. M. (2020). Combined Numerical and Experimental Determination of Ball Bearing Capacitances for Bearing Current Prediction. In ECCE 2020 - IEEE Energy Conversion Congress and Exposition (pp. 5590-5594). Article 9235700 (ECCE 2020 - IEEE Energy Conversion Congress and Exposition). https://doi.org/10.1109/ECCE44975.2020.9235700

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title = "Combined Numerical and Experimental Determination of Ball Bearing Capacitances for Bearing Current Prediction",

abstract = "High-frequency voltages across the steel ball bearings and the corresponding currents can cause premature bearing failures in electric machines driven by PWM converters. The bearing voltage, one of the most commonly-used failure indicators, depends heavily on the bearing capacitance. This paper presents a combined numerical and experimental approach for the calculation of ball bearing capacitances to address the uncertainty introduced by lubricant property, lubrication status and other metal parts, such as seals and ball retainers. Based on the obtained capacitance breakdown, the influences of temperature, speed and bearing load (radial, axial or combined) on the capacitance are studied. Measurements and associated results of bearing capacitances are provided to validate the proposed method.",

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Han, P, Heins, G, Patterson, D, Thiele, M & Ionel, DM 2020, Combined Numerical and Experimental Determination of Ball Bearing Capacitances for Bearing Current Prediction. in ECCE 2020 - IEEE Energy Conversion Congress and Exposition., 9235700, ECCE 2020 - IEEE Energy Conversion Congress and Exposition, pp. 5590-5594, 12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020, Virtual, Detroit, United States, 10/11/20. https://doi.org/10.1109/ECCE44975.2020.9235700

Combined Numerical and Experimental Determination of Ball Bearing Capacitances for Bearing Current Prediction. / Han, Peng; Heins, Greg; Patterson, Dean et al.
ECCE 2020 - IEEE Energy Conversion Congress and Exposition. 2020. p. 5590-5594 9235700 (ECCE 2020 - IEEE Energy Conversion Congress and Exposition).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Thiele, Mark

AU - Ionel, Dan M.

PY - 2020/10/11

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N2 - High-frequency voltages across the steel ball bearings and the corresponding currents can cause premature bearing failures in electric machines driven by PWM converters. The bearing voltage, one of the most commonly-used failure indicators, depends heavily on the bearing capacitance. This paper presents a combined numerical and experimental approach for the calculation of ball bearing capacitances to address the uncertainty introduced by lubricant property, lubrication status and other metal parts, such as seals and ball retainers. Based on the obtained capacitance breakdown, the influences of temperature, speed and bearing load (radial, axial or combined) on the capacitance are studied. Measurements and associated results of bearing capacitances are provided to validate the proposed method.

AB - High-frequency voltages across the steel ball bearings and the corresponding currents can cause premature bearing failures in electric machines driven by PWM converters. The bearing voltage, one of the most commonly-used failure indicators, depends heavily on the bearing capacitance. This paper presents a combined numerical and experimental approach for the calculation of ball bearing capacitances to address the uncertainty introduced by lubricant property, lubrication status and other metal parts, such as seals and ball retainers. Based on the obtained capacitance breakdown, the influences of temperature, speed and bearing load (radial, axial or combined) on the capacitance are studied. Measurements and associated results of bearing capacitances are provided to validate the proposed method.

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KW - PWM inverter

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KW - capacitance

KW - electric machine

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Combined Numerical and Experimental Determination of Ball Bearing Capacitances for Bearing Current Prediction

Abstract

Publication series

Conference

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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