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Voltage and reactive power control in autonomous microgrids

by Lus Afonso Ivan

Institution:	Universidade do Porto
Year:	2017
Keywords:	Engenharia electrotcnica, electrnica e informtica; Cincias da engenharia e tecnologias::Engenharia electrotcnica, electrnica e informtica
Posted:	02/01/2018
Record ID:	2175063
Full text PDF:	http://www.rcaap.pt/detail.jsp?id=oai:repositorio-aberto.up.pt:10216/102561

Abstract

Microgrids have recently been receiving increasing interest due to the fact that they can operate autonomously following disturbances that may occur in the upstream network. Its operation in islanded mode (standalone) is dominated by inverters that have the responsibility to control the frequency and voltage profiles within acceptable ranges. Typically set at low voltage, this type of networks present a resistive nature, which on its turn causes the active power flow to significantly influence voltage profiles. In this regard, the main objective of this work focuses on the identification and development of methodologies for the operation management of a microgrid in standalone mode, ensuring appropriate conditions for voltage control and reactive power dispatch.Advisors/Committee Members: Faculdade de Engenharia.