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Optimization of variable speed wind power systems based on a LQG approach

Domenii publicaţii > Stiinte ingineresti + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: I. Munteanu, N.A. Cutululis, A.I. Bratcu, E. Ceanga

Editorial: Elsevier, Control Engineering Practice, 13, p.903-912, 2005.

Rezumat:

This paper focuses on a control application of optimization in wind power systems. An optimal control structure for variable
speed fixed pitch wind turbines is presented. The optimality of the whole system is defined by the trade-off between the energy
conversion maximization and the control input minimization that determines the mechanical stress of the drive train. The frequency
separation of the short-term and the long-term variations, adopted in the wind modelling, has resulted in a two-loop control
structure. The optimal problem is treated within a complete linear quadratic stochastic approach, whose effectiveness was tested on
an electromechanical wind turbine simulator.

Cuvinte cheie: power generation, windmills, linearization, optimal control, linear quadratic regulators, performance indices

URL: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V2H-4DWGW9W-1&_coverDate=07%2F01%2F2005&_alid=390215253&_rdoc=1&_fmt=&_orig=search&_qd=1&_cdi=5703&_sort=d&view=c&_acct=C000034558&_version=1&_urlVersion=0&_userid=642064&md5=dd6ad5bf302bcc5564693