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The effects of different solid-rotor materials on the motor performance are studied. The performance characteristics of a 180 kW medium-speed induction motor with solid rotor are analyzed using two-dimensional finite element method. A set of fictitious and realistic ferromagnetic materials, the mechanical properties of which satisfy the requirements of high-speed operation, were used in the calculations...
A performance analysis of different fractional slot machines is given. It is searched suitable fractional slot constructions for a machine with 225-frame size, 45 kW power and a speed of 400 rpm. These are values that are typically applied in paper machines. The aim is to find machines, which have the capacity of producing high torque as well as low torque ripple. Fractional slot motors, with concentrated...
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