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On the Prospects for Using a Dual-Phase Magnetic Material to Increase the Specific Power of an Autonomous Generator

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Abstract

Electric machines are improved to increase their specific power and, consequently, reduce their size, weight, and cost. One way to increase the specific power of a machine is to increase the rotor speed, which can be achieved, in particular, by use of new materials. A factor limiting the increase in the rotor speed, and, consequently, the specific power of the machine, is the mechanical strength of the rotor. Advantages of using a dual-phase magnetic material in the magnetic circuit of an autonomous synchronous generator with permanent magnets are discussed. The replacement of the most mechanically loaded parts (racks and bridges) with a strong nonmagnetic phase of a dual-phase magnetic material enables an increase in the maximum rotor speed by 30%.

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Funding

The work was supported by the Russian Science Foundation, project no. 21-19-00454.

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Authors and Affiliations

  1. Ufa University of Science and Technology, 450076, Ufa, Russia

    A. A. Zherebtsov, E. A. Pronin, O. A. Yushkova, I. R. Garipov & F. R. Ismagilov

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  1. A. A. Zherebtsov
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  2. E. A. Pronin
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  3. O. A. Yushkova
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  4. I. R. Garipov
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  5. F. R. Ismagilov
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Corresponding author

Correspondence to A. A. Zherebtsov.

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The authors of this work declare that they have no conflicts of interest.

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Translated by M. Shmatikov

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Zherebtsov, A.A., Pronin, E.A., Yushkova, O.A. et al. On the Prospects for Using a Dual-Phase Magnetic Material to Increase the Specific Power of an Autonomous Generator. Russ. Electr. Engin. 94, 888–892 (2023). https://doi.org/10.3103/S1068371223120179

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  • DOI: https://doi.org/10.3103/S1068371223120179

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