Simple new PWM patterns for thyristor three-phase AC/DC convertors

Biswas, SK and Mahesh, MS and lyengar, BSR (1986) Simple new PWM patterns for thyristor three-phase AC/DC convertors. In: IEE Proceedings B: Electric Power Applications, 133 (6). 354 -358.

PDF getPDF.pdf - Published Version Restricted to Registered users only Download (650kB) | Request a copy

Abstract

Thyristor forced commutated AC/DC convertors are useful for improving the power factor and waveform of AC-side line current. These are controlled through pulse-width modulation schemes for best performance. However, the 3-phase versions impose restrictions on the PWM strategies that can be implemented for excellent harmonic rejection. This paper presents new PWM control strategies for the 3-phase converters and compares them along with the conventional 4-pulse PWM strategy for harmonic elimination. Finally, two new PWM strategies are shown to be the best, for which oscillograms are presented from actual implementation.

Item Type:	Journal Article
Publication:	IEE Proceedings B: Electric Power Applications
Publisher:	IEEE
Additional Information:	Copyright of this article belongs to Institution of Electrical Engineers.
Keywords:	Commutation,Power conversion,Convertors,Thyristors.
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	06 Feb 2010 13:10
Last Modified:	19 Sep 2010 05:33
URI:	http://eprints.iisc.ac.in/id/eprint/20463

Actions (login required)

View Item