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Continuity of Service of Five-Level H-Bridge T-Type Converter Under Open-circuit Switch Failure

Abstract : In this paper, an H-Bridge T-type converter with fault-tolerant capability under open-circuit switch failure is presented. An optimised and fault tolerant PWM control is applied to the converter, associated to a fault diagnosis block that allows detecting and localizing the open-circuit switch failure. A redundant leg with two bi-directional switches is used for fault-tolerant strategy and reconfiguration, after a fault occurrence diagnosis. Therefore, the converter can operate without performances degradation in post-fault operation. Some simulations are performed to validate the proposed fault diagnosis and the associated fault tolerant strategy.
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https://hal.univ-lorraine.fr/hal-03225292
Contributor : Ehsan Jamshidpour <>
Submitted on : Wednesday, May 12, 2021 - 1:18:37 PM
Last modification on : Monday, May 17, 2021 - 11:18:01 AM

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Florent Becker, Ehsan Jamshidpour, Philippe Poure, Shahrokh Saadate. Continuity of Service of Five-Level H-Bridge T-Type Converter Under Open-circuit Switch Failure. 5th IET International Conference on Renewable Power Generation (RPG) 2016, Sep 2016, London, United Kingdom. ⟨10.1049/cp.2016.0563⟩. ⟨hal-03225292⟩

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