Monitoring of journal bearing faults based on motor current signature analysis for induction motors

Junyeong Jung; Yonghyun Park; Sang Bin Lee; Changhee Cho; Kwonhee Kim; Ernesto Wiedenbrug; Mike Teska

doi:10.1109/ECCE.2015.7309702

Monitoring of journal bearing faults based on motor current signature analysis for induction motors

Junyeong Jung, Yonghyun Park, Sang Bin Lee, Changhee Cho, Kwonhee Kim, Ernesto Wiedenbrug, Mike Teska

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

15 Citations (Scopus)

Abstract

Most of the failures in oil-lubricated journal bearings are associated with mechanical instabilities produced by lubrication system problems or bearing wear, and result in increased shaft vibration. Therefore, monitoring of the journal bearing condition in the field mainly relies on analysis of proximity probe or accelerometer signals. However, not all motors with journal bearings are equipped with such mechanical sensors due to cost or environmental restrictions. In this paper, the feasibility of applying motor current signature analysis (MCSA) for remote monitoring of mechanical instabilities in journal bearings produced by oil whirl and bearing clearance problems, is evaluated. In addition, a small-scale journal bearing test setup that can be implemented in low voltage motors for testing journal bearing faults under controlled conditions, is presented. An experimental study on a sealless fuel pump motor operating in the field, and on the custom-built journal bearing motor test setup shows that MCSA is capable of providing remote monitoring of journal bearing oil whirl and increased clearance for potentially preventing motor failure. The results of vibration analysis are also presented for comparative evaluation.

Original language	English
Title of host publication	2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	300-307
Number of pages	8
ISBN (Electronic)	9781467371506
DOIs	https://doi.org/10.1109/ECCE.2015.7309702
Publication status	Published - 2015 Oct 27
Event	7th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2015 - Montreal, Canada Duration: 2015 Sept 20 → 2015 Sept 24

Publication series

Name	2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015

Other

Other	7th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2015
Country/Territory	Canada
City	Montreal
Period	15/9/20 → 15/9/24

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/ECCE.2015.7309702

Cite this

Jung, J., Park, Y., Lee, S. B., Cho, C., Kim, K., Wiedenbrug, E., & Teska, M. (2015). Monitoring of journal bearing faults based on motor current signature analysis for induction motors. In 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015 (pp. 300-307). Article 7309702 (2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE.2015.7309702

Monitoring of journal bearing faults based on motor current signature analysis for induction motors. / Jung, Junyeong; Park, Yonghyun; Lee, Sang Bin et al.
2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015. Institute of Electrical and Electronics Engineers Inc., 2015. p. 300-307 7309702 (2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015).

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

Jung, J, Park, Y, Lee, SB, Cho, C, Kim, K, Wiedenbrug, E & Teska, M 2015, Monitoring of journal bearing faults based on motor current signature analysis for induction motors. in 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015., 7309702, 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015, Institute of Electrical and Electronics Engineers Inc., pp. 300-307, 7th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2015, Montreal, Canada, 15/9/20. https://doi.org/10.1109/ECCE.2015.7309702

Jung J, Park Y, Lee SB, Cho C, Kim K, Wiedenbrug E et al. Monitoring of journal bearing faults based on motor current signature analysis for induction motors. In 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015. Institute of Electrical and Electronics Engineers Inc. 2015. p. 300-307. 7309702. (2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015). doi: 10.1109/ECCE.2015.7309702

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abstract = "Most of the failures in oil-lubricated journal bearings are associated with mechanical instabilities produced by lubrication system problems or bearing wear, and result in increased shaft vibration. Therefore, monitoring of the journal bearing condition in the field mainly relies on analysis of proximity probe or accelerometer signals. However, not all motors with journal bearings are equipped with such mechanical sensors due to cost or environmental restrictions. In this paper, the feasibility of applying motor current signature analysis (MCSA) for remote monitoring of mechanical instabilities in journal bearings produced by oil whirl and bearing clearance problems, is evaluated. In addition, a small-scale journal bearing test setup that can be implemented in low voltage motors for testing journal bearing faults under controlled conditions, is presented. An experimental study on a sealless fuel pump motor operating in the field, and on the custom-built journal bearing motor test setup shows that MCSA is capable of providing remote monitoring of journal bearing oil whirl and increased clearance for potentially preventing motor failure. The results of vibration analysis are also presented for comparative evaluation.",

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AB - Most of the failures in oil-lubricated journal bearings are associated with mechanical instabilities produced by lubrication system problems or bearing wear, and result in increased shaft vibration. Therefore, monitoring of the journal bearing condition in the field mainly relies on analysis of proximity probe or accelerometer signals. However, not all motors with journal bearings are equipped with such mechanical sensors due to cost or environmental restrictions. In this paper, the feasibility of applying motor current signature analysis (MCSA) for remote monitoring of mechanical instabilities in journal bearings produced by oil whirl and bearing clearance problems, is evaluated. In addition, a small-scale journal bearing test setup that can be implemented in low voltage motors for testing journal bearing faults under controlled conditions, is presented. An experimental study on a sealless fuel pump motor operating in the field, and on the custom-built journal bearing motor test setup shows that MCSA is capable of providing remote monitoring of journal bearing oil whirl and increased clearance for potentially preventing motor failure. The results of vibration analysis are also presented for comparative evaluation.

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Monitoring of journal bearing faults based on motor current signature analysis for induction motors

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