Parameter Identification of Five-Phase Squirrel Cage Induction Motor Based on Extended Kalman Filter

The use of multiphase electric drives in industrial applications has increased the last few years. These machines’ advantages over three-phase system make them appropriate for harsh working situations. To increase their inherent reliability, some authors have been sensorless control schemes, where absence an encoder ensures proper performance. Nevertheless, these systems present problems due to uncertainties parameters. In this regard, using extended Kalman filters overcomes situation, since consider error and measurement estimation process. However, when are five-phase case study, complexity problem increases substantially. work, propose filter, which discomposes original state equation, reducing stage. addition, suppresses third-harmonic injection, enhances overall phase-current quality.