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An Overmodulation Scheme for Vector Controlled Induction Motor Drives

Venugopal, S and Narayanan, G (2007) An Overmodulation Scheme for Vector Controlled Induction Motor Drives. In: PEDES '06. International Conference on Power Electronics, Drives and Energy Systems, 2006., 12-15 Dec. 2006, New Delhi .

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Abstract

This paper presents an algorithm for control of line side voltage of a voltage source inverter upto six-step mode. This is a modified version of an existing overmodulation algorithm. The modified algorithm maintains proportionality between the reference voltage and the output fundamental voltage, and also reduces the computational effort required for implementation, while resulting in a marginally higher harmonic distortion. An estimation method is proposed for calculation of lower order ripple current. This estimation method is applied to a sensorless vector controlled induction motor drive to improve the performance of the drive during overmodulation.

Item Type: Conference Paper
Additional Information: Copyright 2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 11 Nov 2011 06:28
Last Modified: 11 Nov 2011 06:28
URI: http://eprints.iisc.ernet.in/id/eprint/42042

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