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Five-level inverter voltage-space phasor generation for an open-end winding induction motor drive

Baiju, MR and Gopakumar, K and Mohapatra, KK and Somasekhar, VT and Umanand, L (2003) Five-level inverter voltage-space phasor generation for an open-end winding induction motor drive. In: IEE Proceedings Electric Power Applications, 9 Sept. 2003.

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A topology for voltage-space phasor generation equivalent to a five-level inverter for an open-end winding induction motor is presented. The open-end winding induction motor is fed from both ends by two three-level inverters. The three-level inverters are realised by cascading two two-level inverters. This inverter scheme does not experience neutral-point fluctuations. Of the two three-level inverters only one will be switching at any instant in the lower speed ranges. In the multilevel carrier-based SPWM used for the proposed drive, a progressive discrete DC bias depending on the speed range is given to the reference wave to reduce the inverter switchings. The drive is implemented and tested with a 1 HP open-end winding induction motor and experimental results are presented.

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright 2003 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 > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Date Deposited: 16 Mar 2012 09:27
Last Modified: 16 Mar 2012 09:27
URI: http://eprints.iisc.ac.in/id/eprint/43978

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