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Analysis of SVPWM Based Speed Control of Induction Motor Drive with using V/F Control Based 3 Level Inverter

Journal: International Journal of Scientific Engineering and Technology (IJSET) (Vol.2, No. 9)

Publication Date:

Authors : ;

Page : 932-938

Keywords : Induction Motor; SVPWM; V/F Control; 3-Level Inverter;

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Abstract

The main objective of the paper is to control the speed of an induction machine with scalar control technique. Induction motor (IM) because of its poor dynamic response in comparison to the DC motor drives. A Voltage Source Inverter (VSI), it is possible to control directly the stator flux linkage and the electromagnetic torque by the optimum selection of inverter switching vectors. The scalar control technique (V/F) is used because of simplicity of control algorithm implementation and the response is better and accurate with closed loop slip compensation the modelling of an IM drive employing V/F method with application of Space Vector Pulse Width Modulation (SVPWM) is performed in this article, it is better to understand the V/F method and its difficulties. By using 3-level inverter, ripples in speed and torque will reduce. The reference voltage vector is then realized using a voltage vector modulator. The extensive simulation results are presented based on case studies.

Last modified: 2013-09-03 21:21:07