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Article Dans Une Revue Electric Power Systems Research Année : 2016

Open-circuit switch fault tolerant wind energy conversion system based on six/five-leg reconfigurable converter

Résumé

In this paper, an FPGA-controlled fault tolerant back-to-back converter for DFIG-based wind energy conversion application is studied. Before an open-circuit failure in one of the semiconductors, the fault tolerant converter operates as a conventional back-to-back six-leg one. After the fault occurrence in one of the switches, the converter will continue its operation with the remaining five healthy legs. Design, implementation, simulation and experimental verification of a reconfigurable control strategy for the fault tolerant six/five leg converter used in wind energy conversion are discussed. The proposed reconfigurable control strategy allows the uninterrupted operation of the converter with minimum affection from an open-circuit switch failure in one of the semiconductors. Software reconfiguration is also necessary in PWM signal generation unit, to assure that proper gate signals are calculated and generated based on the actual five-leg structure Simulations and experimental tests are carried out and the results are presented and compared. They all confirm the capability of the studied reconfigurable control and proposed fault tolerant architecture in ensuring the system's service continuity.
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Dates et versions

hal-03247140 , version 1 (09-02-2022)

Identifiants

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Mahmoud Shahbazi, Shahrokh Saadate, Philippe Poure, Mohammadreza Zolghadri. Open-circuit switch fault tolerant wind energy conversion system based on six/five-leg reconfigurable converter. Electric Power Systems Research, 2016, 137, pp.104-112. ⟨10.1016/j.epsr.2016.04.004⟩. ⟨hal-03247140⟩
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