Multi-Level Open End Windings Multi-Motor Drives

Salvatore Foti, Antonio Testa, Salvatore De Caro, Tommaso Scimone, Giacomo Scelba and Giuseppe Scarcella
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Salvatore Foti: DI, University of Messina, 98122 Messina, Italy
Antonio Testa: DI, University of Messina, 98122 Messina, Italy
Salvatore De Caro: DI, University of Messina, 98122 Messina, Italy
Tommaso Scimone: DI, University of Messina, 98122 Messina, Italy
Giacomo Scelba: DIEEI, University of Catania, 95131 Catania, Italy
Giuseppe Scarcella: DIEEI, University of Catania, 95131 Catania, Italy

Energies, 2019, vol. 12, issue 5, 1-19

Abstract: A multi-level open-end winding converter topology for multiple-motor drives is presented featuring a main multi-level inverter processing the power delivered to the motors and an active filter based on an auxiliary two-level inverter. The main inverter operates at the fundamental frequency in order to achieve low switching power losses, while the active filter is Pulse Width Modulation (PWM) operated to suitably shape the motor currents. The proposed configuration features less phase current distortion than conventional multi-level inverters operating at the fundamental frequency, while achieving a higher efficiency compared to PWM multi-level inverters. Experimental results confirm the effectiveness of such a configuration on both multiple motors-single converter and multiple motor-multiple converter drives.

Keywords: multilevel converter; multi-motor drive; harmonic mitigation; active filter; open end winding motor; high efficiency drive; high reliability applications (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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