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Power-Efficient Control of an Induction Motor: Methods of Increasing Its Dynamics

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Abstract

To improve the efficiency of an electric drive system under low speed conditions, a control strategy optimized for maximal torque per ampere (MTPA) is used in the vector control system of an induction motor. MTPA is a control method of motor excitation that significantly reduces the torsion torque dynamics due to the influence of the rotor time constant. Traditionally, for such a control strategy, steady-state motor conditions are considered, but transient modes are not. MTPA control strategies for an induction motor with and without use of a rotor flux controller are compared. New approaches to improving the dynamics of MTPA control are proposed. The transient modes are described and compared.

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Funding

The work was supported by the Russian Science Foundation, project no. 15-19-20057P.

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Authors and Affiliations

  1. Ogarev Mordovia State University, 430005, Saransk, Russia

    A. A. Popov, V. A. Popova & I. V. Gulyaev

  2. University of Oviedo, 33003, Oviedo, Spain

    F. Briz del Blanco

  3. Energy Efficient Motors of Dual Power Supply for Electric Drives and Vehicles Research & Education Center, Ogarev Mordovia State University, 430005, Saransk, Russia

    F. Briz del Blanco

Authors
  1. A. A. Popov
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  2. V. A. Popova
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  3. I. V. Gulyaev
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  4. F. Briz del Blanco
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Corresponding author

Correspondence to A. A. Popov.

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Translated by M. Kromin

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Popov, A.A., Popova, V.A., Gulyaev, I.V. et al. Power-Efficient Control of an Induction Motor: Methods of Increasing Its Dynamics. Russ. Electr. Engin. 90, 479–484 (2019). https://doi.org/10.3103/S1068371219070113

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  • DOI: https://doi.org/10.3103/S1068371219070113

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