Increasing the energy efficiency of an induction motor by optimizing specific indicators

The role of electric motors in industry is clearly high. However, for complex mechanisms, the use of electromechanical converters of a specific series is impractical due to their low energy efficiency. In the literature, electric drives used the term “registered” electric machines, i.e. machines manufactured for a specific technological mechanism, for example, the nominal motor of the main drive of the 5000 MMK mill (the installed power of one motor is 12 MW). The most common type is asynchronous due to its advantages. The development of semiconductor technology makes it possible to expand the regulation and control of induction motors, which changes the production of electrical machines. The main idea is to create the most energy-efficient electric motor by changing the geometry of the stator and rotor, voltage shape, number of phases, number of poles, etc. This requires studying the magnetic field formation by using parametric optimization and achieving the maximum root-mean-square torque.