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dc.contributor.authorFan, Feien_US
dc.contributor.authorSee, Kye Yaken_US
dc.contributor.authorBanda, Joseph Kiranen_US
dc.contributor.authorLiu, Xiongen_US
dc.contributor.authorGupta, Amit Kumaren_US
dc.identifier.citationFan, F., See, K. Y., Banda, J. K., Liu, X., & Gupta, A. K. (2019). Investigation and mitigation of premature bearing degradation in motor drive system. IEEE Electromagnetic Compatibility Magazine, 8(1), 75–81. doi:10.1109/memc.2019.8681374en_US
dc.description.abstractPulse width modulated (PWM) variable frequency drives (VFDs) are commonly adopted in modern control of electro-mechanical drive systems. The use of insulated-gate bipolar transistor (IGBT) and higher switching frequencies has improved the efficiency of the motor drive systems significantly but they also cause high frequency common-mode (CM) currents in the motor bearings. Hence, new drive installations failed prematurely within months, which resulted in unnecessary downtime. Mitigation techniques such as CM filter and motor shaft grounding ring are possible solutions to prevent this kind of premature failure. In this paper, using a 5.5 kW motor drive system as a case study, the cause of bearing degradation is investigated and the various mitigation techniques are carefully evaluated.en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relation.ispartofIEEE Electromagnetic Compatibility Magazineen_US
dc.rights© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleInvestigation and mitigation of premature bearing degradation in motor drive systemen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.organizationRolls-Royce @NTU Corporate Laben_US
dc.description.versionAccepted versionen_US
dc.subject.keywordsCommon-mode (CM) CM Voltageen_US
dc.subject.keywordsVariable Speed Drivesen_US
dc.description.acknowledgementThis work was conducted within the Rolis-Royce@NTU Corporate Lab with support from the National Research Foundation (NRF) Singapore.en_US
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