Comparison Between Black Start and Islanding Process for The Establishment of a Rural Microgrid with Biogas Generator

Microgrid arrangements have been applied in scenarios where is necessary to offer most reliability in the electricity supply system, requiring definitions of priority loads, transition between modes of operation, among others. This paper presents an analysis of two scenarios for establishing of a microgrid operating in the rural area in the south region of Brazil with a biogas generator. In the fist scenario the islanded mode is performed by Black Start procedure while in the second intentional inslanding is performed without interruption of energy supply. This paper present the modeling of the system in the Matlab/Simulink software using real data from the implanted microgrid and the results of the simulations and the analysis of the effects of the establishment of the microgrid island from the different strategies adopted. It is confirmed the islanding allows the continuous operation of loads and the generation of microgrid without the need to interrupt the power supply as occurs in Black Start.