Power quality at input of the static converter and induction motor driving systems

Abstract

This paper focuses on the power performances at the network of the driving systems with induction motors and frequency static converters. Noticing that the global power factor is influenced by the elements of the DC link circuit, we found the filter design possibility from power quality reasons. The achieved MATLAB-SIMULINK model corresponds to a driving system fed from a three-phase diodes rectifier and to a sinusoidal modulation of the inverter. The numerical results bring into strong relief the command frequency and load influence on the global power factor and fundamental power factor. These results are accompanied by experimental verifications, which validate the SIMULINK models and the algorithm conceived by the authors