What is it about?
This paper deals with the performance analysis of different PWM techniques for three-phase and dual three-phase induction motors. In this paper, the dual three-phase induction motor is reconfigured as a three-phase and six-phase winding configurations and its performances are investigated.
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Why is it important?
The comparative evaluation for the aforesaid machine configurations is carried out in terms of quality of stator current waveform with different PWM techniques. Total harmonic distortion is obtained in terms of harmonic distortion factor for stator current. The theoretical findings are further verified through simulation and experimental results.
Perspectives
In this paper, different PWM control techniques for three-phase machine and DTIM have been investigated in detail and implemented with a digital controller. It is entrenched in the literature that, in the case of DTIM, the PWM operation for VSI can improve the quality of machine current waveforms. However based on the results presented in this paper, there is no justification at all for this belief and it is clear from the analytical solutions and results presented in this paper that the three-phase PWM techniques provide quality waveforms compared to the six-phase case.
Shaikh Mohammed Suhe
Read the Original
This page is a summary of: A Comparative Study of PWM Techniques for Multiphase Induction Motor Drives, International Journal of Emerging Electric Power Systems, October 2018, De Gruyter,
DOI: 10.1515/ijeeps-2018-0049.
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