A Design Alternative to Improve the Interconnection Capability of New Distributed-Generation Installations into Existing Griddle

José Agüero-Rubio, Javier López-Martínez, José Ignacio Rojas-Sola and Ángel Jesús Callejón-Ferre
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José Agüero-Rubio: Department of Electricity, IES Alhamilla of Almería, Almería 04005, Spain
Javier López-Martínez: Zayin Technology, PITA Technology Park, Almería 04120, Spain
José Ignacio Rojas-Sola: Department of Engineering Graphics, Design and Projects, University of Jaén, Jaén 23071, Spain
Ángel Jesús Callejón-Ferre: Laboratory-Observatory Andalusian Working Conditions in the Agricultural Sector, Almería 04120, Spain

Energies, 2016, vol. 9, issue 6, 1-11

Abstract: Most distributed-generation facilities are performed on pre-built distribution grids. The design conditions of these existing grids may limit the ability of new users to get a connection due to technical and/or cost constraints. This work proposes a simple solution, adjusted to the relevant regulations and embodied in a radial distribution grid of Spanish low voltage, to improve the interconnection of distributed generation, usually grid connected photovoltaic systems. The proposed solution, based on increasing the section of the neutral line, achieves a capacity of increasing the length of the supply grid by more than 20%.

Keywords: distribution grids; distributed generation; low voltage feeders; grid-connected; installation efficiency; sustainable cities (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: 2016
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