Protección de Celdas Fotovoltaicas Mediante Fusibles Clase gPV (PV cells protection by using class PV fuses)

Juan C. Goméz (jcgomez@ing.unrc.edu.ar), Daniel Tourn (jcgomez@ing.unrc.edu.ar), S. Nesci (jcgomez@ing.unrc.edu.ar), G. R. Zamarillo (jcgomez@ing.unrc.edu.ar)


Instituto de Protecciones de Sistemas Eléctricos de Potencia (IPSEP) - Universidad Nacional de Rio Cuarto
This paper appears in: Revista IEEE América Latina

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


Abstract:
During the last 50 years, the application of Photovoltaic cells (PV cells) has increased at a high speed. PV cells have special characteristics that require protective devices specifically designed for this application, among which the fuse presents optimum features. The main characteristics are: dc power generation, low short-circuit current and low X/R ratios, behavior influenced by temperature, etc. The most used gPV fuse specification is the new IEC 60269-6, that gives some rough guidelines. Also fuse manufacturers give “application rules” that have some inconsistencies and difficult the fuse selection. The need for more coordinated work between PV cells and fuses manufacturers is stressed, indicating the areas where this work is required.

Index Terms:
Application rules, dc fuses, inverse currents, low current interruption, Photovoltaic cells   


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