Análise de Alternativas para Suprimento de Energia com Grupos Geradores e Geração Distribuída durante Desligamento Programado

Abstract

The decrease in DEC and FEC in eventual network works is something that energy concessionaires have studied a lot these days, with the increase in the rigidity of the electric energy regulatory body (ANEEL) with regard to fines on energy quality, it is It is very important to optimize these scheduled stoppages in order to reduce the indicators, which are therefore financially linked to the electricity distribution companies.It is possible to dimension and couple groups of generators in networks that would be under-supplied, creating islands of consumers in order to optimize the concessionaire's indicators. With the help of distributed generation and battery banks, it is possible to optimize the supply costs of these islands. For that, a case based on an adapted 123 Node Test Feeder distribution feeder was used. It was incorporated in the network telecommunications switches, fuses switches, distributed generators and auxiliary systems (battery bank and diesel generators). Through the analysis scenarios, considering a generation system with photovoltaic systems and storage systems was possible to determine how differences and possible optimizations in the circuit. In the scenario (GD + photovoltaic) it optimizes the fuel consumption necessary to supply the island, but there is still the cost of operating the generator of the same capacity as in the solution without photovoltaic generation at the connection point with the lowest system loss. In the scenario (GD + photovoltaic + storage) it is possible to use a group of smaller generators, thus optimizing costs both in fuel and in the availability of a less powerful generator.