A proposed strategy for power optimization of a wind energy conversion system connected to the grid. (1st September 2015)

• Record Type: Journal Article
• Authors: Taraft, S.; Rekioua, D.; Aouzellag, D.; Bacha, S.
• Is Part Of: Energy conversion and management. Volume 101(2015)
• Page Start: 489
• Page End: 502
• Publication Date: 2015-09-01
• Subjects: Wind turbine -- Doubly fed induction generator -- Optimization -- Matrix converter -- Power control -- Sliding mode control; Direct energy conversion -- Periodicals; Energy storage -- Periodicals; Energy transfer -- Periodicals; Énergie -- Conversion directe -- Périodiques; Direct energy conversion; Periodicals; 621.3105
• DOI: 10.1016/j.enconman.2015.05.047
• Languages: English
• ISSNs: 0196-8904

Abstract

Graphical abstract: Highlights: Wind energy conversion based doubly fed induction generator controlled by matrix converter. Operation at both sub and super-synchronous regions is possible with the proposed drive system. Double the power generated by the DFIG at a twice of speed rated. Sliding mode control is used to achieve active and reactive power control. Abstract: Many strategies have been developed in last decade to optimize power extracted from wind energy conversion system where many of them can produce only 30% more than the rated power. With the considered strategy, the generated wind power can reach twice its nominal value using a fast and reliable fully rugged electrical control. Indeed, by employing a suitable control technique where the produced power in super-synchronous mode is derived from both the stator and the rotor. Also, the rotor provided power in this case grows up 100% comparing to stator rated power. However, this solution permits to maintain the wind energy conversion system operation in its stable area. The considered system consists of a double fed induction generator whose stator is connected directly to the grid and its rotor is supplied by matrix converter. In this paper, the sliding mode approach to achieve active and reactive power control is used. This latter is combined with de Perturbation and Observation Maximum Power Point Tracking used in the second operation zone. The obtained simulations results are assessed and carried out using Matlab/Simulink package and show the performance and the effectiveness of the proposed control.