Propuesta de sistema de protecciones para generación distribuida

Abstract

This project defines the studies to be performed on distribution feeders that have Distributed Generation, analyzing its system of protections for intentional island operation. Income generators in distribution networks require a change and adjustment protective devices, due to variations in short-circuit currents caused by bidirectional current flows. The project starts with the calculation of fault currents feeder nodes, through simulation case study in software CYMDIST 7.2Rev03. Annual registration powers of the Central Mini Hydroelectric Perlabí and 57E feeder substation distribution Pomasqui, to establish a strip of high probability of island operation will be used. Initialization parameters of protective equipment by calculation of load currents and short-circuit, the same way the method bran fuses used shall be determined. Coordination of protective equipment is performed in the module CYMTCC 5.1R08, through income operating curves both reclosers and fuses. The study concludes with an analysis of costs protection system for correct operation intentionally island.