A Novel Driving Scheme for Three-Phase Bearingless Induction Machine with Split Winding

Francisco Elvis Carvalho Souza, Werbet Silva, Andrés Ortiz Salazar, José Paiva, Diego Moura and Elmer Rolando Llanos Villarreal
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Francisco Elvis Carvalho Souza: The Federal Institute of Education, Science and Technology of Rio Grande do Norte (IFRN), Natal 59015-000, Brazil
Werbet Silva: Department of Computer Engineering and Automation, Federal University of Rio Grande do Norte (DCA-UFRN), Natal 59072-970, Brazil
Andrés Ortiz Salazar: Department of Computer Engineering and Automation, Federal University of Rio Grande do Norte (DCA-UFRN), Natal 59072-970, Brazil
José Paiva: The Federal Institute of Education, Science and Technology of Rio Grande do Norte (IFRN), Natal 59015-000, Brazil
Diego Moura: Department of Computer Engineering and Automation, Federal University of Rio Grande do Norte (DCA-UFRN), Natal 59072-970, Brazil
Elmer Rolando Llanos Villarreal: Department of Natural Sciences, Mathematics, and Statistics, Federal Rural University of Semi-Arid (DCME-UFERSA), Mossoró 59625-900, Brazil

Energies, 2021, vol. 14, issue 16, 1-15

Abstract: In order to reduce the costs of implementing the radial position control system of a three-phase bearingless machine with split winding, this article proposes a driving method that uses only two phases of the system instead of the three-phase traditional one. It reduces from six to four the number of inverter legs, drivers, sensors, and current controllers necessary to drive and control the system. To justify the proposal, this new power and control configuration was applied to a 250 W machine controlled by a digital signal processor (DSP). The results obtained demonstrated that it is possible to carry out the radial position control through two phases, without loss of performance in relation to the conventional three-phase drive and control system.

Keywords: bearingless; DSP; induction motor; radial position control (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: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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