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Department of High-Speed Railroad Systems Research Center, Korea Railroad Research Institute, 176, Cheoldo Bangmulgwan-ro, Uiwang-si, Gyeonggi-Do 437-757, Korea

2

Department of Electrical and Computer Engineering, Ajou University, 206, World cup-ro, Yeongtong-gu, Suwon 443-749, Korea





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Author to whom correspondence should be addressed.



Academic Editor: Ali Bazzi

Abstract This paper proposes a fault detection and the improved fault-tolerant control for an open fault in the five-phase inverter driving system. The five-phase induction machine has a merit of fault-tolerant control due to its increased number of phases. This paper analyzes an open fault pattern of one switch and proposes an effective fault detection method based upon this analysis. The proposed fault detection method using the analyzed patterns is applied in the power inverter. In addition, when the open fault occurs in the one switch of the induction machine driving system, the proposed fault-tolerant control method is used to operate the induction machine using the remaining healthy phases, after performing the fault detection method. Simulation and experiment results are provided to validate the proposed technique. View Full-Text

Keywords: fault-tolerant control; fault detection; five-phase induction machine; five-phase induction motor IM; five-phase inverter fault-tolerant control; fault detection; five-phase induction machine; five-phase induction motor IM; five-phase inverter





Autor: Seung-Koo Baek 1, Hye-Ung Shin 2, Seong-Yun Kang 2, Choon-Soo Park 1 and Kyo-Beum Lee 2,*

Fuente: http://mdpi.com/



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