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Speed Control of Induction Motor Using Model Reference Adaptive System and SVPWM with Zeta Converter

Author(s):

Treena Paul , Rajagiri school of engineering and technology; Anna Mathew, Rajagiri school of engineering and technology

Keywords:

Induction Motor (IM), Model Reference Adaptive System (MRAS), Current Estimation, Space Vector Pulse Width Modulation(SVPWM), Zeta Converter

Abstract

This paper presents a new speed and current estimation technique. The sensor-less speed control method used is model reference adaptive system, which is done by using reference quantities (i.e., currents and voltages) in reference model and actual quantities (i.e., currents) in adjustable model. The current estimation is done by using the vector rotator and extracting the information about the phase currents in two phase stationary reference frame by using corresponding synchronous reference frame variables. This proposed speed control and current estimation technique are immune to the variation of stator resistance. The proposed system uses space vector pulse width modulation (SVPWM) in order to obtain switching pulses for inverter with fewer ripples. In-order to improve the power factor and thereby reducing power quality issues zeta converter is used. The proposed system is simulated in MATLAB/Simulink.

Other Details

Paper ID: IJSRDV3I70444
Published in: Volume : 3, Issue : 7
Publication Date: 01/10/2015
Page(s): 722-725

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