Five-Phase Squirrel-Cage Motor. Construction and Drive Properties

Abstract

This paper presents the simulation and experimental realization of a five-phase squirrel-cage induction motor prototype. The new machine has been designed to operate in a drive system with third harmonic rotor flux injection in order to improve the motor torque utilization. The motor structure, the mathematical model as well as the laboratory prototype and speed-torque characteristics have been described. Furthermore, the start-up possibility in the case of one or two stator winding faults is showed as well. The idea of a closed loop speed control with increased load torque is presented.

Keywords

five-phase induction motor, electrical drive, mathematical model, speed control

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Bilbiography

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