DEVELOPMENTS IN ELECTRICAL MACHINERY TECHNOLOGY

Energy conversion systems are very diverse. One of the most important of these systems is undoubtedly the electric machines. Mechanical energy production from electricity has been ongoing for about 150 years. With rapid developing technology, it has shown a rapid change in energy conversion systems from past to present. This change has been very slow in electrical machines. The material technology used affects the size and capacity of the motors. But this change does not cause a change in the working system. Nowadays, engines with efficiencies up to 95% are made. This work refers to a new generation of alloy magnets that affect the size-to-power ratio of the motors. The motor size - power ratio changes were investigated during the operation. In addition, energy-saving alloy magnets and conventional magnets, which reduce the losses of the electric motor, have been compared. The new generation motors made with PM magnets are expected to take the place of classical motors. The production of alloyed permanent magnets with permanent magnet synchronous motors (PMSM), which are widely used in electric cars, is expected to light the future with the rapid development of power electrons.