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|Title:||Centralized control of distributed single-phase inverters arbitrarily connected to three-phase four-wire microgrids|
|Author:||Brandão, Danilo I.|
Marafao, Fernando P.
Simoes, Marcelo G.
Pomilio, Jose A.
|Abstract:||This paper proposes an effective technique to control the power flow among different phases of a three-phase four-wire distribution power system by means of single-phase converters arbitrarily connected among the phases. The aim is to enhance the power quality at the point-of-common-coupling of a microgrid, improve voltage profile through the lines, and reduce the overall distribution losses. The technique is based on a master/slave organization where the distributed single-phase converters act as slave units driven by a centralized master controller. Active, reactive, and unbalance power terms are processed by the master controller and shared proportionally among distributed energy resources to achieve the compensation target at the point-of-common-coupling. The proposed control technique is evaluated in simulation considering the model of a real urban power distribution grid under non-sinusoidal and asymmetrical voltage conditions. The main results, concerning both steady-state and transient conditions, are finally reported and discussed|
|Subject:||Geração de energia distribuída|
|Editor:||Institute of Electrical and Electronics Engineers|
|Appears in Collections:||FEEC - Artigos e Outros Documentos|
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