Inrush em transformadores de potência: simulação e comparação de técnicas de mitigação.

Abstract

Energization currents in robust, highly inductive electric equipment – such as power transformers – Are extremely noxious to the operation of power systems, causing a number of undesirable consequences: unwanted protection actuation, voltage sagging, damage to transformer coils due to electromechanical stress, reduction on lifespan of equipment, etc. The following work seeks to understand and simulate inrush in power transformers. The chosen software for the task is MATLAB, specifically its toolbox SIMULINK, a powerful electric system modeling tool. Then, we seek validation of different mitigation methods for inrush currents available in literature. An analysis of the results achieved concludes the work.