Active and reactive power injection strategies for three-phase four-wire inverters during symmetrical/asymmetrical voltage sags

dc.creatorDanilo Iglesias Brandao
dc.creatorFrederico Mendes
dc.creatorReginaldo Vagner Ferreira
dc.creatorSidelmo Magalhaes Silva
dc.creatorIgor Amariz Pires
dc.date.accessioned2025-05-22T13:05:41Z
dc.date.accessioned2025-09-09T00:07:11Z
dc.date.available2025-05-22T13:05:41Z
dc.date.issued2019
dc.identifier.doihttps://doi.org/10.1109/TIA.2019.2893135
dc.identifier.issn0093-9994
dc.identifier.urihttps://hdl.handle.net/1843/82445
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofIEEE Transactions on industry applications
dc.rightsAcesso Restrito
dc.subjectEletrônica de potência
dc.subject.otherGrid-connected distribution system
dc.subject.otherGrid requirements
dc.subject.otherLow voltage ride through (LVRT)
dc.subject.otherReactive power injection
dc.subject.otherThree-phase inverter
dc.titleActive and reactive power injection strategies for three-phase four-wire inverters during symmetrical/asymmetrical voltage sags
dc.typeArtigo de periódico
local.citation.epage2355
local.citation.issue3
local.citation.spage2347
local.citation.volume55
local.description.resumoElectric grid codes are expected to change in near future to accommodate an increased number of distributed generation units in the distribution power system without impairing its power quality. It is desired that the generators remain connected during voltage sags and provide ancillary services, such as voltage and reactive power control, ensuring the operational stability of the power system. This paper explores how the existing strategies for active and reactive power injection impact the operation of grid-tied inverters in terms of required power, current flowing, and reduction of active power delivery during the voltage sags. Such inputs are relevant to properly size converters for operation under fault events. In addition, this paper contributes to devise: 1) constant peak current control, 2) constant active current control, and 3) constant average active power control strategies for three-phase four-wire grid-tied inverters considering the natural (abc) reference frame. The design and implementation of the investigated power injection strategies are discussed, and their effectiveness and technical viability are analyzed through dynamic computational simulations under symmetrical/asymmetrical voltage sags, and variation of the short-circuit ratio.
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/8611363

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