Design and selection of high reliability converters for mission critical industrial applications: a rolling mill case study

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dc.creatorVictor de Nazareth Ferreira
dc.creatorAllan Fagner Cupertino
dc.creatorHeverton Augusto Pereira
dc.creatorAnderson Vagner Rocha
dc.creatorSeleme Isaac Seleme Jr
dc.creatorBraz de Jesus Cardoso Filho
dc.date.accessioned2025-04-25T13:27:23Z
dc.date.accessioned2025-09-09T00:44:49Z
dc.date.available2025-04-25T13:27:23Z
dc.date.issued2018
dc.identifier.doihttps://doi.org/10.1109/TIA.2018.2829104
dc.identifier.issn0093-9994
dc.identifier.urihttps://hdl.handle.net/1843/81844
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofIEEE Transactions on industry applications
dc.rightsAcesso Restrito
dc.subjectConversores eletrônicos
dc.subject.otherDesign for reliability (DFR)
dc.subject.otherIGBT
dc.subject.otherMedium voltage converters
dc.subject.otherModular multilevel converter (MMC)
dc.subject.otherReliability
dc.subject.otherReliability
dc.titleDesign and selection of high reliability converters for mission critical industrial applications: a rolling mill case study
dc.typeArtigo de periódico
local.citation.epage4947
local.citation.issue5
local.citation.spage4938
local.citation.volume54
local.description.resumoIn the metal industry, rolling is the most widely used steel forming process to provide high production and control of final product. Rolling mills must be able to change the speed of the strip at the same time that the speed is controlled within precise limits. Furthermore, this application has a severe load profile, with high torque variations during the lamination process. These characteristics include rolling mills among the classical mission critical industry applications (MCIA). In addition to the high cost/failure rate, rolling mills have a critical dynamic loading, making the design of a reliable system doubly challenging. Design for reliability (DFR) is the process conducted during the design of a component or system that ensures them to perform at the required reliability level. In the context of the power converters for rolling mills and other MCIA, the DFR should be known and adopted in the design of the converter proper (component level) well as in the specification of power converters (system level). This paper contributes to the knowledge in the field by proposing a methodology covering the necessary steps for decision making during the design (component level) and selection (systems level) of power converters for MCIA. A rolling mill system from a large steel plant in southeastern Brazil is adopted as the case study. The standard high power converter solution is compared with two high reliability converter topologies: the fault-tolerant active neutral point clamped and the triple-star bridge cells modular multilevel converter. The importance of DFR in mission critical applications is demonstrated.
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELÉTRICA
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttps://ieeexplore.ieee.org/document/8344431

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