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Title: | Modelling and control of an interface power converter for the operation of small diesel gen-sets in grid-connected and stand-alone modes. |
Authors: | Fogli, Gabriel Azevedo Almeida, Pedro Machado de Barbosa, Pedro Gomes |
Keywords: | Dispersed generation system Grid-conditioni Grid-feeding Grid-forming |
Issue Date: | 2017 |
Citation: | FOGLI, G. A.; ALMEIDA, P. M. de; BARBOSA, P. G. Modelling and control of an interface power converter for the operation of small diesel gen-sets in grid-connected and stand-alone modes. Electric Power Systems Research, v. 150, p. 177-187, 2017. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0378779617302055>. Acesso em: 02 out. 2017. |
Abstract: | This paper presents the modelling and control design steps of a two-stage static conversion structure used as interface to integrate a diesel generator setinto 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. |
URI: | http://www.repositorio.ufop.br/handle/123456789/9845 |
metadata.dc.identifier.uri2: | http://www.sciencedirect.com/science/article/pii/S0378779617302055 |
metadata.dc.identifier.doi: | https://doi.org/10.1016/j.epsr.2017.05.016 |
ISSN: | 0378-7796 |
Appears in Collections: | DEELT - Artigos publicados em periódicos |
Files in This Item:
File | Description | Size | Format | |
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ARTIGO_ModellingControlInterface.pdf Restricted Access | 3,32 MB | Adobe PDF | View/Open |
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