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Volume 12
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10.3390/en12050861
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Article

Multi-Level Open End Windings Multi-Motor Drives

by
Salvatore Foti
1,*,
Antonio Testa
1,
Salvatore De Caro
1,
Tommaso Scimone
1,
Giacomo Scelba
2 and
Giuseppe Scarcella
2
1
DI, University of Messina, 98122 Messina, Italy
2
DIEEI, University of Catania, 95131 Catania, Italy
*
Author to whom correspondence should be addressed.
Energies 2019, 12(5), 861; https://doi.org/10.3390/en12050861
Submission received: 20 December 2018 / Revised: 23 February 2019 / Accepted: 25 February 2019 / Published: 5 March 2019
(This article belongs to the Special Issue Multilevel Converters: Analysis, Modulation, Topologies, and Applications)
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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 multilevel converter; multi-motor drive; harmonic mitigation; active filter; open end winding motor; high efficiency drive; high reliability applications

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MDPI and ACS Style

Foti, S.; Testa, A.; De Caro, S.; Scimone, T.; Scelba, G.; Scarcella, G. Multi-Level Open End Windings Multi-Motor Drives. Energies 2019, 12, 861. https://doi.org/10.3390/en12050861

AMA Style

Foti S, Testa A, De Caro S, Scimone T, Scelba G, Scarcella G. Multi-Level Open End Windings Multi-Motor Drives. Energies. 2019; 12(5):861. https://doi.org/10.3390/en12050861

Chicago/Turabian Style

Foti, Salvatore, Antonio Testa, Salvatore De Caro, Tommaso Scimone, Giacomo Scelba, and Giuseppe Scarcella. 2019. "Multi-Level Open End Windings Multi-Motor Drives" Energies 12, no. 5: 861. https://doi.org/10.3390/en12050861

APA Style

Foti, S., Testa, A., De Caro, S., Scimone, T., Scelba, G., & Scarcella, G. (2019). Multi-Level Open End Windings Multi-Motor Drives. Energies, 12(5), 861. https://doi.org/10.3390/en12050861

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