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Performance Analysis of the Slip Power Recovery Induction Motor Drive System Under Unbalance Supply Voltages
Hilmi Fadhil Ameen, Fadhil Toufick Aula
DOI: 10.15598/aeee.v19i3.4050
Abstract
This paper develops a mathematical model for analyzing the steady-state performance of the Slip Power Recovery Induction Motor Drive System (SPRIMDS) which operates under unbalance supply voltage conditions. The IEC definition indices of Voltage Unbalance Factor (VUF) and Complex Voltage Unbalance Factor (CVUF) which consist of magnitude and phase angle of the unbalance supply are used for the analysis. Also, this paper evaluates the impact of voltage unbalance and firing angle of the inverter on the stator and rotor motor parameters, motor currents, copper losses, efficiency, power factor, torque-speed characteristics, prediction of peak currents of the stator and rotor phase windings, and Total Harmonic Distortion (THD) of stator and rotor currents. The proposed mathematical model of SPRIMDS is validated using MATLAB-Simulink. The results have shown that the performance of the SPRIMDS and variation of motor currents, efficiency, THD and torque are depending on the magnitude of the voltage unbalance and inverter's firing angle.
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