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Power converter fault diagnosis in SRM drives based on the DC Bus current analysis

2010-09Conference paper Restricted access
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática
datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg10:Reduzir as Desigualdades
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
dc.contributor.authorGameiro, Natália S.
dc.contributor.authorCardoso, A. J. Marques
dc.date.accessioned2025-12-17T15:07:31Z
dc.date.available2025-12-17T15:07:31Z
dc.date.issued2010-09
dc.descriptionDate of Conference: 06-08 September 2010
dc.description.abstractThis paper presents a new fault diagnostic technique applied to switched reluctance motor (SRM) drives. A fault is detected when the measured amplitude of the DC bus current differs from its expected amplitude, assuming normal operating conditions. The information about phase currents amplitudes and the control states of all power switches permit to easily estimate the amplitude of the power converter supply current, since an asymmetric bridge converter is used. Open-and short-circuit fault occurrences in the converter power switches are presented. The proposed technique can early detect these fault occurrences and can also, in almost situations, identify not only the affected motor phase but also the faulty element. A short-circuit fault in a converter power switch of a SRM drive does not necessarily causes a short-circuit in the DC bus, unlike to what happens in many other converter-fed electrical machine drives. On the other hand, although a converter power switch open-circuit fault can be easily detected by the observation of the phase currents, the identification of the faulty element becomes impossible to achieve, if only phase currents are measured. This information is of paramount importance in the development of fault tolerant power converters.eng
dc.description.sponsorshipThe authors gratefully acknowledge the financial support of the Portuguese Foundation for Science and Technology (FCT) under Project Nº. SFRH/BD/30477/2006, Project Nº. PTDC/EEA-ELC/105282/2008 and Project Nº. SFRH/BSAB/950/2009.
dc.identifier.citationN. S. Gameiro and A. J. Marques Cardoso, "Power converter fault diagnosis in SRM drives based on the DC Bus current analysis," The XIX International Conference on Electrical Machines - ICEM 2010, Rome, Italy, 2010, pp. 1-6, doi: https://doi.org/10.1109/ICELMACH.2010.5608258.
dc.identifier.doi10.1109/icelmach.2010.5608258
dc.identifier.isbn978-1-4244-4174-7
dc.identifier.urihttp://hdl.handle.net/10400.8/15130
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIEEE Canada
dc.relationTOLERÂNCIA A FALHAS EM MOTORES DE RELUTÂNCIA VARIÁVEL COMUTADOS
dc.relationFault Tolerant Electric Motor Drives Applied to Hybrid Electric Vehicle
dc.relationTOLERÂNCIA A FALHAS EM SISTEMAS ELECTROMECATÓNICOS
dc.relation.hasversionhttps://ieeexplore.ieee.org/document/5608258
dc.relation.ispartofThe XIX International Conference on Electrical Machines - ICEM 2010
dc.rights.uriN/A
dc.subjectFault analysis
dc.subjectfault diagnosis
dc.subjectswitched reluctance motor
dc.subjectvariable speed drives
dc.titlePower converter fault diagnosis in SRM drives based on the DC Bus current analysiseng
dc.typeconference paper
dspace.entity.typePublication
oaire.awardTitleTOLERÂNCIA A FALHAS EM MOTORES DE RELUTÂNCIA VARIÁVEL COMUTADOS
oaire.awardTitleFault Tolerant Electric Motor Drives Applied to Hybrid Electric Vehicle
oaire.awardTitleTOLERÂNCIA A FALHAS EM SISTEMAS ELECTROMECATÓNICOS
oaire.awardURIhttp://hdl.handle.net/10400.8/13179
oaire.awardURIhttp://hdl.handle.net/10400.8/15128
oaire.awardURIhttp://hdl.handle.net/10400.8/15129
oaire.citation.conferenceDate2010-09
oaire.citation.conferencePlaceRome, Italy
oaire.citation.title19th International Conference on Electrical Machines, ICEM 2010
oaire.fundingStreamFARH
oaire.fundingStreamConcurso para Projectos de I&D em todos os Domínios Científicos - 2008
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameS. Gameiro
person.givenNameNatália
person.identifier.orcid0000-0002-1058-5220
relation.isAuthorOfPublication729198a2-d774-41b7-b789-ae107044974e
relation.isAuthorOfPublication.latestForDiscovery729198a2-d774-41b7-b789-ae107044974e
relation.isProjectOfPublicationf6f20a18-873a-423a-9a93-fe3f4cddcae5
relation.isProjectOfPublication3218feea-d586-4c89-a6d9-8209b319c7ea
relation.isProjectOfPublication694b1cb4-1ab6-4b7d-818c-aa0e56c03e92
relation.isProjectOfPublication.latestForDiscoveryf6f20a18-873a-423a-9a93-fe3f4cddcae5

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This paper presents a new fault diagnostic technique applied to switched reluctance motor (SRM) drives. A fault is detected when the measured amplitude of the DC bus current differs from its expected amplitude, assuming normal operating conditions. The information about phase currents amplitudes and the control states of all power switches permit to easily estimate the amplitude of the power converter supply current, since an asymmetric bridge converter is used. Open-and short-circuit fault occurrences in the converter power switches are presented. The proposed technique can early detect these fault occurrences and can also, in almost situations, identify not only the affected motor phase but also the faulty element. A short-circuit fault in a converter power switch of a SRM drive does not necessarily causes a short-circuit in the DC bus, unlike to what happens in many other converter-fed electrical machine drives. On the other hand, although a converter power switch open-circuit fault can be easily detected by the observation of the phase currents, the identification of the faulty element becomes impossible to achieve, if only phase currents are measured. This information is of paramount importance in the development of fault tolerant power converters.
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