Estudo de técnicas de compensação de energia reactiva para correcção de factor de potência em zonas industriais por meio de banco de capacitores e elaboração de plano de reposição de banco capacitor da se1.2 de 250kvar/440v/50hz da Empresa CFM - Sul

Abstract

The levels of VAR’s absorbed or introduced into an industrial network is constantly changing due to the main loads such as welding machines, lamp reactors, electric motors, which are connected and disconnected almost at all times, for the development of various industrial applications. This irregular and unable to be controlled process of the connections and disconnections of the loads has significantly affected the industrial electrical system, more precisely in the local power factor, which when below a given limit, capacitive or inductive, for the case of Country 0.8, has resulted in fines that tend to be more aggravating the greater the reduction of this factor. The work deals with the correction of power factor in industrial areas, specifically the techniques used for this purpose. This is composed of five chapters, the first of which develops a brief introduction of what the work is, then there is the second chapter that presents theoretical contents about the compensation of electricity in industrial areas. The third chapter develops a capacitor bank calculation model for power factor correction in industrial areas and evaluates on average the cost for this type of project, the fourth evaluates the situation of replacement of the capacitor bank of the company CFM- South which is currently damaged, and the last chapter presents the final conclusions of the work as well as its recommendations.