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Study on Rotor Current Waveforms in an Inverter-fed Induction Motor Drive During Overmodulation

Hari, Pavan Kumar VSS and Narayanan, G (2011) Study on Rotor Current Waveforms in an Inverter-fed Induction Motor Drive During Overmodulation. In: EE Centenary Conference, IISc, , 15-17 December 2011, Indian Institute of Science, Bangalore, India.

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Abstract

Overmodulation introduces low-order harmonics in the output voltage of a voltage source inverter. This paper presents the effects of low-order harmonics in the stator voltage on the rotor currents of an induction motor. Rotor current waveforms are presented for various operating zones in overmodulation, including six-step mode. Harmonic spectra of stator and rotor currents are compared in six-step mode of operation. Pulsating torque is evaluated at various depths of modulation during overmodulation.

Item Type: Conference Paper
Additional Information: Copyright for this article belongs to the authors.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Depositing User: Mr. V S S Pavan Kumar Hari
Date Deposited: 28 Jan 2014 07:08
Last Modified: 28 Jan 2014 07:09
URI: http://eprints.iisc.ac.in/id/eprint/48294

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