High reliability observers for modular multilevel converter capacitor voltage evaluation

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dc.creatorLuc-André Grégoire
dc.creatorWeihua Wang
dc.creatorSeleme Isaac Seleme Junior
dc.creatorMaurice Fadel
dc.date.accessioned2024-09-27T15:18:39Z
dc.date.accessioned2025-09-09T01:29:04Z
dc.date.available2024-09-27T15:18:39Z
dc.date.issued2016-07
dc.identifier.doi10.1109/IPEMC.2016.7512661
dc.identifier.isbn9781728156613
dc.identifier.sici1
dc.identifier.urihttps://hdl.handle.net/1843/76956
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofInternational Power Electronics and Motion Control Conference (IPEMC-ECCE Asia)
dc.rightsAcesso Aberto
dc.subjectCircuitos elétricos - Corrente contínua
dc.subjectConversores analógicos-digitais
dc.subject.otherObservers
dc.subject.otherCapacitors
dc.subject.otherVoltage measurement
dc.subject.otherCurrent measurement
dc.subject.otherVoltage control
dc.subject.otherPower electronics
dc.subject.otherReal-time systems
dc.subject.otherMultilevel
dc.subject.otherReal-time simulation
dc.subject.otherModular multilevel converter
dc.titleHigh reliability observers for modular multilevel converter capacitor voltage evaluation
dc.typeArtigo de evento
local.citation.epage2336
local.citation.issue2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia)
local.citation.spage2332
local.description.resumoThis paper proposes to observe a set of capacitor voltages from modular multilevel converter using only one current and one voltage measurement for the ensemble. This is achieved by estimating the voltage values using the current and the gating signal. The estimation is then corrected using a sliding mode control on the voltage error of the whole half-arm. When compared with previously proposed observers, this one has the advantage of being simpler and expandable to any number of submodules. Furthermore, each half-arm can be treated independently, making it possible to solve them in parallel. Accuracy of the proposed observer is demonstrated through a real-time simulation of a 300 submodules three-phase modular multilevel converter during initialization, steady-state and AC-fault operation.
local.publisher.countryChina
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELÉTRICA
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttps://ieeexplore.ieee.org/document/7512661

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