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Direct Torque and Frequency Control of Double-Inverter-Fed Slip-Ring Induction Motor Drive

Poddar, Gautam and Ranganathan, VT (2004) Direct Torque and Frequency Control of Double-Inverter-Fed Slip-Ring Induction Motor Drive. In: IEEE Transactions on Industrial Electronics, 51 (6). pp. 1329-1337.

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Abstract

A novel sensorless scheme for direct torque and frequency control of a double-inverter-fed slip-ring induction motor presented. The analysis of a double-inverter-fed induction motor given to derive the proposed controller. Various frequency profiles are analyzed for a direct frequency controller. A novel frequency profile is suggested to make the sensorless drive operation reliable and machine parameter independent at any rotor speed. Simulation and experimental results are presented from a 50-hp drive, demonstrating that the drive can deliver full torque from 0 to 2-p. speed in either direction. Thus, double the rated power can be extracted from the motor without overloading it.

Item Type: Journal Article
Additional Information: ©2004 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.
Keywords: Double inverter;sensorless control;slip-ring motor
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 18 Jan 2005
Last Modified: 19 Sep 2010 04:17
URI: http://eprints.iisc.ernet.in/id/eprint/2601

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