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Energies 2016, 9(5), 355; doi:10.3390/en9050355

Open Fault Detection and Tolerant Control for a Five Phase Inverter Driving System

1
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
*
Author to whom correspondence should be addressed.
Academic Editor: Ali Bazzi
Received: 16 March 2016 / Revised: 20 April 2016 / Accepted: 4 May 2016 / Published: 10 May 2016
(This article belongs to the Special Issue Power Electronics Optimal Design and Control)

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
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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. (CC BY 4.0).

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MDPI and ACS Style

Baek, S.-K.; Shin, H.-U.; Kang, S.-Y.; Park, C.-S.; Lee, K.-B. Open Fault Detection and Tolerant Control for a Five Phase Inverter Driving System. Energies 2016, 9, 355.

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