A comparison of fault-tolerant control strategies for a PMSG-based marine current turbine system under generatorside converter faulty conditions

Journal of Electrical Systems

M. Faouzi Mimouni¹  Mohamed Trabelsi²  Sana Toumi²  Elhoussin Elbouchikhi³  Yassine Amirat⁴  Mohamed Benbouzid⁴ 

[1] Ecole Nationale d’Ingénieurs de Monastir, UR ESIER, Monastir, Tunisia;Ecole Nationale d’Ingénieurs de Sousse, UR ESIER, Sousse, Tunisia;ISEN Brest, FRE CNRS 3744 IRDL, Brest, France;University of Brest, FRE CNRS 3744 IRDL, Brest, France;

关键词: Marine current turbine;    permanent magnet synchronous generator;    generator-side converter;    open-circuit fault;    fault-tolerant structure;    fault-tolerant control;    backstepping;    secondorder sliding mode control;   

DOI  :  

来源: DOAJ

【 摘 要 】

This paper describes fault-tolerant control strategies for a Permanent Magnet Synchronous Generator (PMSG)-based Marine Current Turbine (MCT) dealing with the generator-side converter under faulty conditions. MCT system mainly used PI controllers. However, this type of controllers is very sensitive to faulty conditions such as an open circuit faults in the generator-side converter. As consequence, the MCT system represents a high decrease in its power generation and dynamic performances. In this faulty context, firstly, a fault tolerant structure consists in requiring only minimum hardware modifications to the converter is proposed. In the second part, a backstepping and a second-order sliding mode nonlinear control are therefore investigated for fault-tolerant control purposes. A comparison between the different control strategies is proposed to prove the most robust one.

【 授权许可】

Unknown