Three‑phase and single‑phase motor drive system with single three‑phase two‑level inverter for independent speed control


Vol. 22, No. 1, pp. 40-49, Jan. 2022
10.1007/s43236-021-00331-8




 Abstract

This paper presents a dual-motor drive system with a three-phase two-level inverter for independent speed control of a three-phase motor and a single-phase motor. The single-phase motor is connected in series between the neutral point of the three-phase motor and the midpoint of two split DC-link capacitors. As the single-phase motor current is a zero-sequence component flowing in the three-phase motor, it does not affect the operation of the three-phase motor. The proposed drive system can reduce the number of power switches compared with the conventional drive system that uses a single-phase and a three-phase inverter. Thus, the proposed system can reduce the cost of the drive system. Simulations and experiments are presented to verify the proposed drive system.


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Cite this article

[IEEE Style]

D. Park, M. Kim, W. Lee, "Three‑phase and single‑phase motor drive system with single three‑phase two‑level inverter for independent speed control," Journal of Power Electronics, vol. 22, no. 1, pp. 40-49, 2022. DOI: 10.1007/s43236-021-00331-8.

[ACM Style]

Da-Hye Park, Min Kim, and Wook-Jin Lee. 2022. Three‑phase and single‑phase motor drive system with single three‑phase two‑level inverter for independent speed control. Journal of Power Electronics, 22, 1, (2022), 40-49. DOI: 10.1007/s43236-021-00331-8.

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  ISSN : 1598 - 2092
eISSN : 2093 - 4718