Análise da integração da tarifa branca e geração distribuída na rede de distribuição de baixa tensão

Abstract

Consumers of electricity pay a value corresponding to the amount of eletric energy consumed during a month, this unique value is charged in a fixed form throughout the daily period and is called the tariff. This fee corresponds to the portion paid for the investments made in the energy distribution system, composed of the generation, transportation and commercialization of energy, as well as other charges and taxes also included in the energy bill. The change in the current Brazilian scenario with the increase of investments in Distributed Generation sources and the implementation of a new tarff modality denominated white tariff through the National Energy Agency, appears as na alternative to this conventional model. In this context, this work has as main objective to perform an integrated analysis of the impact of the white tariff using distributed generation (GD) in distribution networks covering the entire low voltage group. The analysis methodology consists of two stages, the frst one dedicated to the characterization of the load curves of the classes, subclasses and environmental parameters of a given location. The method also aims to perform a technical and economical analysis of the GD systems through the computational tool Homer Energy, where it is desired to evaluate possible scenarios where the white tariff plus GD option becomes more attractive to the consumer. The second step is to analyze the behavior of the system after the implementation of these GD projects in the distribution network using the DSSIM-PC software, evaluating the impact on the electrical system in relation to energy losses and oscillations in voltage levels. In this context, the limits of the maximum penetration capacity were evaluated and alternatives such as control of frequency inverters associated to the photovoltaic panels of the circuit were proposed to attenuate the voltage levels and to achieve greater control of the power ow.