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Analysis of sine-triangle and zero-sequence injection modulation schemes for split-phase induction motor drive

Rakesh, Padikkat R and Narayanan, Gopalaratnam (2016) Analysis of sine-triangle and zero-sequence injection modulation schemes for split-phase induction motor drive. In: IET POWER ELECTRONICS, 9 (2, SI). pp. 344-355.

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Official URL: http://dx.doi.org/10.1049/iet-pel.2015.0066

Abstract

A split-phase induction motor is fed from two three-phase voltage source inverters for speed control. This study analyses carrier-comparison based pulse width modulation (PWM) schemes for a split-phase motor drive, from a space-vector perspective. Sine-triangle PWM, one zero-sequence injection PWM where the same zero-sequence signal is used for both the inverters, and another zero-sequence injection PWM where different zero-sequence signals are employed for the two inverters are considered. The set of voltage vectors applied, the sequence in which the voltage vectors are applied, and the resulting current ripple vector are analysed for all the PWM methods. Besides all the PWM methods are compared in terms of dc bus utilisation. For the same three-phase sine reference, the PWM method with different zero-sequence signals for the two inverters is found to employ a set of vectors different from the other methods. Both analysis and experimental results show that this method results in lower total harmonic distortion and higher dc bus utilisation than the other two PWM methods.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the INST ENGINEERING TECHNOLOGY-IET, MICHAEL FARADAY HOUSE SIX HILLS WAY STEVENAGE, HERTFORD SG1 2AY, ENGLAND
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 06 Apr 2016 07:08
Last Modified: 06 Apr 2016 07:08
URI: http://eprints.iisc.ac.in/id/eprint/53628

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