Software Evaluation of Reducing the Number of Switching States and Removing the Weight Factor in the Predictive Current Control of Six-Phase Induction Motor
Subject Areas : electrical and computer engineering
Peyman Mirzaeipour
1
,
esmaeel rokrok
2
,
Mohsen Saniei
3
,
Syed Qudrat Allah seifosadat
4
1 - Shahid Chamran University of Ahvaz
2 - Lorestan University
3 - Shahid Chamran University of ahvaz
4 - Shahid Chamran University of Ahvaz
Keywords: Predictive current control, removal of weighting factor, six-phase induction motor,
Abstract :
The simple and accurate design of the flux weighting coefficient for the predictive current control (PCC) algorithm is an important issue that can be seen in all predictive controllers. It should be said that predictive current control is a promising method to obtain fast torque response with a simple and flexible structure, but its development to multi-phase drives can lead to dissatisfaction. In this article, due to the challenge of computing load of PCC algorithm, the weighting coefficient removal method is used and finally modified predictive current control (VV-PCC) without weighting coefficient is used for six-phase induction motor drive. Different operating conditions such as startup, sudden loading and different speeds have been investigated. As a result, choosing a switching state in PCC leads to high x-y currents, this problem requires a small number of repetitions with the proposed VV-PCC method based on removing the weighting factor, because the number of switching states has increased from 49 to 13, and finally It will reduce copper losses and improve power quality. The results and validation of the mentioned cases are presented using MATLAB software.
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