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Conference paper
Fault-tolerant Control of a Wind Turbine with a Squirrel-cage Induction Generator and Stator Inter-turn Faults
Vinko Lešić, Mario Vašak, Nedjeljko Perić, Gojko Joksimović, Thomas Wolbank
Proceedings of the 12th International Workshop on Advanced Motion Control, 2012
ABSTRACT:
Faults of wind turbine generator electromechanical parts  are  common  and  very  expensive.  This  paper  introduces a fault-tolerant control scheme for variable-speed variable-pitch wind  turbines  that  can  be  applied  to  any  type  of  generator. We focus on generator stator isolation inter-turn fault that can be  characterized  before  triggering  the  safety  device.  A  simple extension of the conventional control structure is proposed that prevents the fault propagation while power delivery under fault is deteriorated as less as possible compared to healthy machine conditions. Presented fault-tolerant control strategy is developed taking into account its modular implementation and installation in available control systems of existing wind turbines to extend their life cycle and energy production. Simulation results for the case of a 700 kW wind turbine are presented.
BibTeX entry:
@inproceedings \{Lesic2012_502,
author = \{Le\v{s}i\'{c}, V. AND Va\v{s}ak, M. AND Peri\'{c}, N. AND Joksimovi\'{c}, G. AND Wolbank, T.},
title = \{Fault-tolerant Control of a Wind Turbine with a Squirrel-cage Induction Generator and Stator Inter-turn Faults},
booktitle = {Proceedings of the 12th International Workshop on Advanced Motion Control},
year = \{2012}
}

 

 

 

 

 

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