Emulación de un Generador Sincrónico para Regular Frecuencia en Micro-redes Inteligentes. (Emulation of Synchronous Generator for Frequency Control of Smart Microgrids)

Pablo F. Frack (pfrack@ieee.org), Maximiliano Martínez (mmartinez@ieee.unsj.edu.ar), Marcelo G. Molina (mgmolina@ieee.org), Pedro E. Mercado (pemercado@ieee.org)


Universidad Nacional de San Juan
This paper appears in: Revista IEEE América Latina

Publication Date: Feb. 2013
Volume: 11,   Issue: 1 
ISSN: 1548-0992


Abstract:
Microgrids (MGs) are emerging as a new paradigm for the integration of Distributed Generation (DG) assets. These novel grid structures present significant benefits to the Electric Power System. One of the most important benefits is the reliability improvement due to the capacity of islanded stand-alone operation. Nevertheless, this stand-alone operation can bring some problems related to frequency control, especially in MGs with many DG units connected through power electronics interfaces. In this case, the frequency control capacity and hence the stability margins are drastically reduced. This paper presents the design and implementation of a proton exchange membrane fuel cell integrated with supercapacitor energy storage and its control strategy for the frequency control of ac-MGs

Index Terms:
Fuel cells, control strategy, distributed generation, microgrids, supercapacitors   


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