Parametrização e operação do gerador autoexcitado

Abstract

The process of electric power generation plays a fundamental role in modern society, providing the essential energy base for various sectors, including residential, commercial, industrial, and services, thus contributing to economic development and ensuring comfort, safety, and quality of life. The Induction Generator stands out among other machines as an attractive option for power generation due to its low cost, low maintenance, and robustness. However, its application without connection to the electrical grid presents challenges, such as the need for adequate capacitance for self-excitation and the variation of voltage and current levels in response to changes in load and speed. In this work, we explore the Self-Excited Induction Generator without connection to the grid under different resistive load conditions, both at fixed and variable speeds. Furthermore, the concept of determining the necessary capacitance to enable self-excitation was investigated, along with its parameterization, aiming at the development of a computational model for compa- rison with experimental results. This research provided an analysis of the essential parameters and processes for the proper functioning of the self-excited Induction Generator, demonstrating its feasibility as a low-cost system for microgeneration of electricity without connection to the grid.