Title :
Doubly fed induction generator systems for wind turbines
Author :
Müller, S. ; Deicke, M. ; Doncker, Rik W De
Author_Institution :
SEG GmbH & Co., Kempen, Germany
Abstract :
This article shows that adjustable speed generators for wind turbines are necessary when output power becomes higher than 1 MW. The doubly fed induction generator (DFIG) system presented in this article offers many advantages to reduce cost and has the potential to be built economically at power levels above 1.5 MW, e.g., for off-shore applications. A dynamic model of the DFIG was derived to develop a vector controller to decouple dynamically active and reactive power control. Simulations show excellent response of the DFIG independent of speed. Measurements obtained from 1.5 MW units currently in operation confirm the theoretical results
Keywords :
asynchronous generators; machine vector control; reactive power control; variable speed gear; wind turbines; 1.5 MW; adjustable speed generators; cost reduction; doubly fed induction generator system; dynamic model; dynamically active power control; dynamically reactive power control; off-shore applications; output power; vector controller; wind turbines; Costs; Current measurement; Induction generators; Power generation; Power generation economics; Power system economics; Power system modeling; Reactive power control; Wind energy generation; Wind turbines;
Journal_Title :
Industry Applications Magazine, IEEE
DOI :
10.1109/2943.999610
