NDLI: Harmonic current reduction of a six-pulse thyristor converter

Content Provider	IEEE Xplore Digital Library
Author	Saied, B.M. Zynal, H.I.
Copyright Year	2007
Description	Author affiliation: Electr. Eng. Dept, Univ. of Mosul, Mosul (Saied, B.M.; Zynal, H.I.)
Abstract	This paper presents a line injection technique in order to reduce line current harmonics generated by AC/DC three-phase thyristor converters. The principle of this technique is to modify the current waveforms on the DC side windings of the converter transformer by injecting every harmonic components of the rectified current with an opposite phase. The proposed technique consists of an interconnection of a delta zigzag transformer between the AC and DC sides of the thyristor converter. This interconnection, in combination with conduction intervals of each thyristor, generates a circulating third harmonic current between the AC and DC sides of the converter. This technique shows a drastic minimization of the total harmonic distortion (THD ) of the input current. Derived analytical equations and Pspice simulation are verified by experimental results. The obtained results show that this technique is effective, simple and reliable in reducing the input current harmonics.
Starting Page	596
Ending Page	602
File Size	2419403
Page Count	7
File Format	PDF
ISBN	9781424408900
DOI	10.1109/ACEMP.2007.4510575
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-10
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thyristors Integrated circuit interconnections Bridge circuits Power system harmonics Automatic control DC generators Circuit faults AC generators Power harmonic filters Analog-digital conversion
Content Type	Text
Resource Type	Article

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