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Content Provider | IEEE Xplore Digital Library |
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Author | Kalpana, R. Bhuvaneswari, G. Singh, B. Singh, S. Gairola, S. |
Copyright Year | 1982 |
Abstract | In this paper, an autoconnected-transformer-based 20-pulse ac-dc converter is proposed for harmonic current reduction in switched-mode power supplies (SMPSs) of moderate rating (10-15 kW). The proposed ac-dc converter is realized with a fractional magnetic rating of the load. The supply current is nearly sinusoidal with low total harmonic distortion, and the power factor is close to unity. A set of power quality indices at three-phase utility for an SMPS is presented for both 20- and 6-pulse converters to compare their performances. It is determined that the power quality indices at ac mains with a 20-pulse converter meet IEEE Standard 519 even at varying loads. A laboratory prototype of an autoconnected-transformer-based 20-pulse ac-dc converter has been designed and developed to validate the findings from simulation. Various tests have been conducted on it, and the test results conform to the simulation results. |
Sponsorship | IEEE Industrial Electronics Society |
Starting Page | 4178 |
Ending Page | 4190 |
Page Count | 13 |
File Size | 2645793 |
File Format | |
ISSN | 02780046 |
Volume Number | 60 |
Issue Number | 10 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2013-01-01 |
Publisher Place | U.S.A. |
Access Restriction | One Nation One Subscription (ONOS) |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | AC-DC power converters Windings Rectifiers Equations Mathematical model Power harmonic filters Switched-mode power supply 20 pulses AC–DC converter autoconnected transformer power quality improvement switched-mode power supplies (SMPSs) |
Content Type | Text |
Resource Type | Article |
Subject | Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications |
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