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Saint-Nazaire, France

Dieng A.,Laboratory Bd Of Luniversite | Benkhoris M.F.,Laboratory Bd Of Luniversite | Ait Ahmed M.,Laboratory Bd Of Luniversite | Le Claire J.C.,Laboratory Bd Of Luniversite
IFAC Proceedings Volumes (IFAC-PapersOnline) | Year: 2014

For renewable energy generation and fault tolerant applications, a multiphase PMSG seems to be an interesting solution. In this paper, a fault-tolerant Control of a 5-phase PMSG Non-Sinusoidal EMF for Marine Current Turbine applications under fault operation is proposed. In order to maximize the average torque, to minimize the copper losses and to reduce the torque ripples all harmonics of EMF are exploited under fault opearation. As the optimal current references in the Concordia's frame are not constants, the chosen regulator must have a high dynamic performance even if the machine speed varies. It must ensure reference tracking without affecting the signal magnitudes or introduce phase shift. Hence, a Fractional controller is investigated to control the non-constant current references in the Concordia's frame under fault operation. © IFAC. Source

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