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Mathematical Problems in Engineering
Volume 2013, Article ID 598130, 13 pages
Research Article

Mathematical Modeling and Fault Tolerance Control for a Three-Phase Soft-Switching Mode Rectifier

Department of Electrical Engineering, National Chin-Yi University of Technology, No. 57, Section 2, Zhongshan Road, Taiping District, Taichung 41170, Taiwan

Received 10 October 2012; Revised 13 December 2012; Accepted 14 December 2012

Academic Editor: Zheng-Guang Wu

Copyright © 2013 Kuei-Hsiang Chao and Chin-Tsang Hsieh. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This study primarily focuses on the design of an intelligent three-phase soft-switching mode rectifier (SSMR). Firstly, the small-signal dynamic model of a single-phase SSMR is derived together with the design of its controller. Then, the developed single-phase SSMR is connected to form an intelligent three-phase SSMR. When any of the phase modules in the proposed intelligent three-phase SSMR experiences a fault, it can continue to supply power automatically under reduced load capacity while still maintaining good power quality characteristics. Finally, some simulation results were used to demonstrate the effectiveness of the proposed intelligent three-phase SSMR design.