Improving the Specific Characteristics of Induction Motors

  • Konstantin Ye. KONONENKO
  • Anastasiya V. KONONENKO
  • Sergey V. KRUTSKIKH
  • Sergey M. MANUKOVSKIY
Keywords: induction electric motor, slot geometry, electromagnetic field, finite element analysis, electromagnetic torque, physical experiment

Abstract

The magnetic system of a standard induction motor with a squirrel-cage rotor can be improved using the parametric optimization method by achieving more efficient electromechanical energy conversion and, as a consequence, better efficiency. The improvement in the energy efficiency of the modernized motor does not entail an increase in the material intensity or net cost of its manufacture, because the same materials and the same manufacturing technology are applied. The above-mentioned effect is obtained by using the induction motor property with which the maximum of its efficiency can only be found by solving the problem of electromagnetic field propagation in the nonlinear medium of the motor magnetic core, which has a double-tooth air gap with a complex configuration. For solving the stated problem, the field is numerically calculated using the finite element method. The efficiency of such approach has experimentally been checked on squirrel case induction electric motors with capacities from 120 W to 7.5 kW in two-pole and four-pole stator winding versions

Author Biographies

Konstantin Ye. KONONENKO

(Voronezh State Technical University, Voronezh, Russia) – Professor of Electromechanical Systems and Power Supply Dept., Dr. Sci. (Eng.)

Anastasiya V. KONONENKO

(Voronezh State Technical University, Voronezh, Russia) – Associate Profеssor of Electromechanical Syatems and Power Supply Dept., Cand. Sci. (Eng.)

Sergey V. KRUTSKIKH

(RSO Energo LLC, Voronezh, Russia) – General Director, Cand. Sci. (Eng.)

Sergey M. MANUKOVSKIY

(Voronezh) – Individual Entrepreneur

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Published
2020-06-22
Section
Article