Design and lifetime analysis of a DSCC-MMC STATCOM

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dc.creatorJoao Victor M. Farias
dc.creatorAllan F. Cupertino
dc.creatorVictor N. Ferreira
dc.creatorSeleme Isaac Seleme Júnior
dc.creatorHeverton A. Pereira
dc.creatorRemus Teodorescu
dc.date.accessioned2025-03-27T15:56:27Z
dc.date.accessioned2025-09-09T00:10:47Z
dc.date.available2025-03-27T15:56:27Z
dc.date.issued2017
dc.identifier.doi10.1109/COBEP.2017.8257312
dc.identifier.urihttps://hdl.handle.net/1843/81008
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofBrazilian Power Electronics Conference (COBEP)
dc.rightsAcesso Restrito
dc.subjectConversores eletrônicos
dc.subjectAnálise numérica - Processamento de dados
dc.subject.otherMMC STATCOM , Negative and Positive Sequence Compensation , Lifetime , Reliability
dc.subject.otherLifetime Analysis , Static Synchronous Compensator , Renewable Energy , Design Methodology , Positive Sequence , High Voltage Direct Current , Negative Sequence , Southeastern Brazil , Positive Power , Negative Power , Modular Multilevel Converter , Lifetime Consumption , Energy Loss , Thermal Stress , Power Loss , Thermal Expansion , Thermal Resistance , Upper Arm , Current Control , Switching Frequency , Junction Temperature , Average Voltage , Increase In Lifetime , Stationary Reference Frame , Point Of Common Coupling , Semiconductor Devices , Grid Current , Grid Voltage , Base Plate , Voltage Ripple
dc.titleDesign and lifetime analysis of a DSCC-MMC STATCOM
dc.typeArtigo de evento
local.citation.epage1
local.citation.spage1
local.description.resumoThe modular multilevel converters (MMCs) has been employed in several applications as HVDC systems, energy storage, renewable energy, electrical drives and STATCOMs. In STATCOM application, the converter needs to compensate negative sequence components and unbalanced currents. Nevertheless, the design proposed in the literature considers only positive sequence compensation. Since the STATCOM is submitted to a variety of current stresses, the reliability analysis is strongly recommended. Therefore this work presents a lifetime analysis and a design methodology considering both positive and negative sequence reactive power compensation. A case study considering a 7 MVA MMC STATCOM is analyzed in order to validate the proposed design. The lifetime consumption of the power modules employed is evaluated considering a mission profile acquired from a factory in southeastern of Brazil. Two IGBT solutions (with different current rating) are compared. The results indicate that doubling the power modules rated current increase the initial cost less than 60%, on the other hand, the converter lifetime can increase until 3.6 times and the losses are reduced in 4.4%.
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/8257312

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