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Performance Improvement of Grid-Connected Induction Motors through an Auxiliary Winding Set

Author

Listed:
  • Luigi Danilo Tornello

    (Department of Eletrical Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy)

  • Salvatore Foti

    (Department of Engineering, University of Messina, 98166 Messina, Italy)

  • Mario Cacciato

    (Department of Eletrical Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy)

  • Antonio Testa

    (Department of Engineering, University of Messina, 98166 Messina, Italy)

  • Giacomo Scelba

    (Department of Eletrical Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy)

  • Salvatore De Caro

    (Department of Engineering, University of Messina, 98166 Messina, Italy)

  • Giuseppe Scarcella

    (Department of Eletrical Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy)

  • Santi Agatino Rizzo

    (Department of Eletrical Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy)

Abstract

A technique to improve the performance of grid-connected induction motors by exploiting an auxiliary winding set is proposed in this paper. This auxiliary winding features the same distribution of the main winding, although with a reduced number of turns and it is fed by an inverter a fraction of the power in comparison with the rated size of the induction motor. As shown in the paper, through the auxiliary winding, it is possible to set the machine power factor, increasing the efficiency of the power conversion system and mitigating speed oscillations due to torque disturbances. A mitigation of the grid current peaks due to motor start-up is obtainable. First, the proposed technique is theoretically introduced, then a feasibility assessment is accomplished by simulations.

Suggested Citation

  • Luigi Danilo Tornello & Salvatore Foti & Mario Cacciato & Antonio Testa & Giacomo Scelba & Salvatore De Caro & Giuseppe Scarcella & Santi Agatino Rizzo, 2021. "Performance Improvement of Grid-Connected Induction Motors through an Auxiliary Winding Set," Energies, MDPI, vol. 14(8), pages 1-16, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:8:p:2178-:d:535570
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    Citations

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    Cited by:

    1. Adolfo Dannier & Emanuele Fedele & Ivan Spina & Gianluca Brando, 2022. "Doubly-Fed Induction Generator (DFIG) in Connected or Weak Grids for Turbine-Based Wind Energy Conversion System," Energies, MDPI, vol. 15(17), pages 1-5, September.
    2. Massimiliano Luna, 2022. "High-Efficiency and High-Performance Power Electronics for Power Grids and Electrical Drives," Energies, MDPI, vol. 15(16), pages 1-6, August.

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