Voltage reconfiguration fault-tolerant technique for two-level three-phase inverter integrated in a wind energy system Online publication date: Wed, 14-Sep-2022
by Mokhtar Mahmoud Mohammedi; Azeddine Bendiabdellah; Tayeb Allaoui
International Journal of Modelling, Identification and Control (IJMIC), Vol. 40, No. 4, 2022
Abstract: The present paper focuses on the study of a system composed of a doubly-fed induction generator (DFIG) linked to the network by the back-to-back converter and related to a wind turbine constituting the wind energy conversion system (DFIG-WECS). In order to reach a maximum power point tracking (MPPT), a control strategy has been used. The IGBT open circuit fault presence can lead to disturbance of the continuity of service. To overcome such a problem a new voltage reconfiguration fault tolerant technique for the two-level three-phase inverter is integrated to our DFIG-WECS system in the aim to preserve its performance and stability under faulty operation. The paper also introduces a performance study of the resulted reconfiguration voltage under MATLAB-Simulink environment and illustrates well the merits and efficiency of the proposed fault tolerant method through the faulty condition.
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