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EnglishA novel quad-inverter configuration for multiphase multi-level ac motor drives is analyzed in this paper. The proposed scheme is based on four conventional 2-level three-phase voltage source inverters (VSIs) supplying the open-end windings of a dual three-phase motor (asymmetric six-phase machine), quadrupling the power capability of a single VSI with given voltage and current ratings. The proposed control algorithm is able to generate multi-level voltage waveforms, equivalent to the ones of a 3-level inverter, and to share the total motor power among the four dc sources within each switching period. The whole ac motor drive has been numerically implemented and a complete set of simulation results is given.
| Titolo: | Quad-Inverter Configuration for Multi-Phase Multi-Level AC Motor Drives |
| Autore/i: | GRANDI, GABRIELE; Padmanaban Sanjeevikumar; Darko Ostojic; ROSSI, CLAUDIO |
| Autore/i Unibo: | |
| Anno: | 2010 |
| Titolo del libro: | Proceedings of IEEE International Conference on Computational Technologies in Electrical and Electronics Engineering, SIBIRCON 2010 |
| Pagina iniziale: | 631 |
| Pagina finale: | 638 |
| Abstract: | A novel quad-inverter configuration for multiphase multi-level ac motor drives is analyzed in this paper. The proposed scheme is based on four conventional 2-level three-phase voltage source inverters (VSIs) supplying the open-end windings of a dual three-phase motor (asymmetric six-phase machine), quadrupling the power capability of a single VSI with given voltage and current ratings. The proposed control algorithm is able to generate multi-level voltage waveforms, equivalent to the ones of a 3-level inverter, and to share the total motor power among the four dc sources within each switching period. The whole ac motor drive has been numerically implemented and a complete set of simulation results is given. |
| Data prodotto definitivo in UGOV: | 26-gen-2011 |
| Appare nelle tipologie: | 4.01 Contributo in Atti di convegno |
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