Modeling and Experimental Verification of Grid Interaction of a DFIG Wind Turbine
Artikel i vetenskaplig tidskrift, 2005

The response of the doubly fed induction generator (DFIG) wind turbine system to grid disturbances is simulated and verified experimentally. The results are compared to the response that a fixed-speed wind turbine would have given. A voltage sag to 80% (80% remaining voltage) is handled very well, which is not the case for a fixed-speed wind turbine. A second-order model for prediction of the response of DFIG wind turbines is derived, and its simulated performance is successfully verified experimentally. The power quality impact by the DFIG wind turbine system is measured and evaluated. Steady-state impact, such as flicker emission, reactive power, and harmonic emission, is measured and analyzed. It is found that the flicker emission is very low, the reactive power is close to zero in the whole operating range, and the current THD is always lower than 5%.

wind turbine

power quality

voltage sag

Doubly fed induction generator


Andreas Petersson

Chalmers, Energi och miljö, Elkraftteknik

Torbjörn Thiringer

Chalmers, Energi och miljö, Elkraftteknik

Lennart Harnefors

ABB Group

Mälardalens högskola

Tomas Petru

Chalmers, Energi och miljö, Elkraftteknik

IEEE Transactions on Energy Conversion

0885-8969 (ISSN)

Vol. 20 4 878- 886


Annan elektroteknik och elektronik



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