Load Flow Simulation of a Low-Voltage PV-Battery Based DC Micro-Grid to Supply Small Isolated Communities

Pedro Ferreira Torres, José de Arimatéia Alves Vieira Filho, Vilson Lima Chaar Junior, Leonam Ferreira de Araujo, Sam Williamson, Marcos André Barros Galhardo, Wilson Negrão Macêdo, João Tavares Pinho

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

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Abstract

This paper presents the modelling and load flow simulation of a low-voltage distribution DC microgrid which is developed in the test area of the Group of Studies and Development of Energy Alternatives (GEDAEUFPA).
This microgrid is intended to serve as a basis for conducting tests of operation modes, power conditioning devices, control strategies, among other possibilities, as well as applications related to low voltage direct current
distribution systems, and to validate mathematical models of related processes. The simulated microgrid structure is composed of three photovoltaic generators of 500 Wp each, a battery bank of 4.8 kWh, three charge controllers
forming a 24 V DC bus, and load banks distributed along a grid with a total length of 200 m. The modelling of microgrid components are presented in detail, and the load flow study used is derived from the traditional Newton-
Raphson power flow algorithm used in AC systems.
Original languageEnglish
Title of host publicationProceedings of the 35th European Photovoltaic Solar Energy Conference and Exhibition
Place of PublicationBrussels
PublisherWIP Wirtschaft und Infrastruktur GmbH & Co Planungs KG
Pages1636-1640
Number of pages5
ISBN (Print)3936338507
DOIs
Publication statusPublished - 24 Sep 2018

Publication series

NameEuropean Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC)
ISSN (Print)2196-100X

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