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A Multilevel Inverter System for an Induction Motor with Open-End Windings

Somasekhar, VT and Baiju, MR and Mohapatra, KK and Gopakumar, K (2002) A Multilevel Inverter System for an Induction Motor with Open-End Windings. In: 2002 28th Annual Conference of the IEEE Industrial Electronics Society. IECON 02, 5-8 November, Spain, Vol.2, 973-978.

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Abstract

In this paper, a multilevel inverter system for an open-end winding induction motor drive is described. Multilevel inversion is achieved by feeding an open-end winding induction motor with two 2-level inverters in cascade (equivalent to a 3-level inverter) from one end and a single 2-level inverter, from the other end of the motor. The combined inverter system with open-end winding induction motor produces voltage space phasor locations identical to a 6-level inverter. A total of 512 space phasor combinations are available in the proposed scheme, distributed over 91 space vector locations. The proposed inverter drive scheme is capable of producing a multilevel PWM waveform for the phase voltage ranging from a 2-level waveform to a 6-level waveform depending on the speed range. A space vector PWM scheme for the proposed drive is implemented using a 1-HP induction motor with open-end winding structure.

Item Type: Conference Paper
Additional Information: Copyright 1990 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, (CEDT) Centre for Electronic Design & Technology)
Date Deposited: 11 Jan 2007
Last Modified: 19 Sep 2010 04:23
URI: http://eprints.iisc.ernet.in/id/eprint/5185

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