Modelling and control of an interface power converter for the operation of small diesel gen-sets in grid-connected and stand-alone modes

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dc.creatorGabriel Azevedo Fogli
dc.creatorPedro Machado de Almeida
dc.creatorPedro Gomes Barbosa
dc.date.accessioned2025-04-03T14:28:41Z
dc.date.accessioned2025-09-08T22:59:19Z
dc.date.available2025-04-03T14:28:41Z
dc.date.issued2017
dc.identifier.doihttps://doi.org/10.1016/j.epsr.2017.05.016
dc.identifier.issn0378-7796
dc.identifier.urihttps://hdl.handle.net/1843/81258
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofElectric power systems research
dc.rightsAcesso Restrito
dc.subjectConversores eletrônicos
dc.subjectEnergia - Fontes alternativas
dc.subject.otherDistributed generation based on Diesel genset with flexible operation modes
dc.subject.otherGrid-supplying, grid forming and active filter with harmonic current mitigation loop
dc.subject.otherHarmonic current controller design and considerations stability using Nyquist plot
dc.titleModelling and control of an interface power converter for the operation of small diesel gen-sets in grid-connected and stand-alone modes
dc.typeArtigo de periódico
local.citation.epage187
local.citation.spage177
local.citation.volume150
local.description.resumoThis paper presents the modelling and control design steps of a two-stage static conversion structure used as interface to integrate a diesel generator set into a secondary distribution network. In order to guarantee that the inverter works within the PWM linear range, a boost converter is used to increase the DC voltage level. The proposed structure allows two operation modes, connected to the AC mains or isolated. In the isolated mode the interface converter may be controlled as grid-forming or grid-conditioning (active power filter). The inverter current controllers are designed in the synchronous reference frame together with multiple integrators in order to effectively track non-sinusoidal currents. The stability analysis is performed through the Nyquist plot. Experimental results obtained with a 5.5 kW diesel generator set are presented to validate the proposed system operation and control strategies.
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttp://www.sciencedirect.com/science/article/pii/S0378779617302055

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