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Direct regulation of large speed excursions for variable speed wind turbines
Leithead, W.E.; Leith, Douglas J.; Hardan, F.; Markou, H.
In above rated wind speed the pitch control system of a pitch regulated variable speed wind turbine aims to maintain the rotor speed within a permitted range. However, this requirement can be difficult to satisfy during extreme gusts with conventional controllers, particularly for large-scale machines where the pitch actuation capability may be quite limited. This paper investigates the design of a pitch controller for 1 MW variable speed turbine which directly responds to a strong gust by pitching the rotor blades at the maximum permissible rate, thereby exploiting the maximum capability of the actuation system. The performance assessed and compared to that of a conventional pitch controller by simulation studies.
Keyword(s): Hamilton Institute; Control Systems; Variable-Speed HAWTs; Large-Scale Machines
Publication Date:
Type: Journal article
Peer-Reviewed: Yes
Institution: Maynooth University
Citation(s): Leithead, W.E. and Leith, Douglas J. and Hardan, F. and Markou, H. (1999) Direct regulation of large speed excursions for variable speed wind turbines. Proceedings of European Wind Energy Conference .
File Format(s): application/pdf
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First Indexed: 2014-09-20 05:06:39 Last Updated: 2018-03-27 06:12:45