State of the Art and Future Trends in Grid Codes Applicable to Isolated Electrical Systems

Julia Merino, Patricio Mendoza-Araya and Carlos Veganzones
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Julia Merino: Department of Electrical Engineering, E.T.S. Ingenieros Industriales, Technical University of Madrid, C/Jose Gutierrez Abascal 2, Madrid 28006, Spain
Patricio Mendoza-Araya: Department of Electrical Engineering, Energy Center, University of Chile, Av. Tupper 2007, Santiago 8370451, Chile
Carlos Veganzones: Department of Electrical Engineering, E.T.S. Ingenieros Industriales, Technical University of Madrid, C/Jose Gutierrez Abascal 2, Madrid 28006, Spain

Energies, 2014, vol. 7, issue 12, 1-19

Abstract: Isolated electrical systems lack electrical interconnection to other networks and are usually placed in geographically isolated areas—mainly islands or locations in developing countries. Until recently, only diesel generators were able to assure a safe and reliable supply in exchange for very high costs for fuel transportation and system operation. Transmission system operators (TSOs) are increasingly seeking to replace traditional energy models based on large groups of conventional generation units with mixed solutions where diesel groups are held as backup generation and important advantages are provided by renewable energy sources. The grid codes determine the technical requirements to be fulfilled by the generators connected in any electrical network, but regulations applied to isolated grids are more demanding. In technical literature it is rather easy to find and compare grid codes for interconnected electrical systems. However, the existing literature is incomplete and sparse regarding isolated grids. This paper aims to review the current state of isolated systems and grid codes applicable to them, specifying points of comparison and defining the guidelines to be followed by the upcoming regulations.

Keywords: grid codes; isolated electrical grid; grid disturbances (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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