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This paper investigates the suitability of solid-rotor induction-motor technology for a natural-gas-compression application with a high power output. To this end, a new solid-rotor design for an 8-MW 6.6-kV 12 000-min-1 motor without any copper parts in the rotor was developed, and the motor performance was tested. In this paper, solid-rotor material selection, rotor slitting, and the end effects...
Coupled FEM and system simulator is used to analyze direct torque controlled frequency converter fed standard 15 kW squirrel-cage induction motor. The waveforms of the stator currents are analyzed in frequency domain. The performance of the FEM - motor model is compared with analytical motor model and the results are verified by measurements.
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