Mitigation of electric arc furnance transformer inrush current using soft-starter-based controlled energization

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dc.creatorIgor Amariz Pires
dc.creatorAlysson Augusto Pereira Machado
dc.creatorBraz de Jesus Cardoso Filho
dc.date.accessioned2025-04-24T17:35:12Z
dc.date.accessioned2025-09-09T00:22:53Z
dc.date.available2025-04-24T17:35:12Z
dc.date.issued2018
dc.identifier.doihttps://doi.org/10.1109/IAS.2017.8101818
dc.identifier.issn0093-9994
dc.identifier.urihttps://hdl.handle.net/1843/81813
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofIEEE Industry applications society annual meeting (IAS)
dc.rightsAcesso Restrito
dc.subjectAço - Fundição
dc.subject.otherElectric Arc Furnace
dc.subject.otherPower transformer energization
dc.subject.otherSeries thyristors
dc.subject.otherSoft-starter
dc.subject.otherThyristor series operation
dc.subject.otherTransformer inrush current
dc.titleMitigation of electric arc furnance transformer inrush current using soft-starter-based controlled energization
dc.typeArtigo de periódico
local.citation.epage3918
local.citation.issue4
local.citation.spage3909
local.citation.volume54
local.description.resumoThe energization of power transformers is a frequent operation in Electric Arc Furnaces (EAF). Magnetization inrush currents with 10 to 50 times the rated transformer current can flow during several line cycles. The magnitude of the inrush currents depends on parameters like the point on wave of voltage energization, residual flux in the core, transformer size and utility systems characteristics. This momentary high current results in system disturbances and reduction of the transformer life cycle. In this paper a scheme to mitigate the inrush current using controlled voltage ramp soft-starter-based circuit is presented. Simulation and experimental results prove the effectiveness of the soft-starter-based controlled energization.
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttps://ieeexplore.ieee.org/abstract/document/8101818

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