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E-journal for electrical and electronic engineers
AUTOMATYKA, ELEKTRYKA, ZAKLOCENIA

(AUTOMATICS, ELECTROTECHNICS, DISTURBANCES)

Vol. 7, Nr 4(26) 2016

Publ. 31.12.2016

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

s. 124-136 DOI: 10.17274/AEZ.2016.26.07

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

Fig.

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