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Modeling and Validation of DFIG 3-MW Wind Turbine Using Field Test Data of Balanced and Unbalanced Voltage Sags

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6 Author(s)
Lluís Trilla ; Catalonia Institute for Energy Research IREC, Barcelona, Spain ; Oriol Gomis-Bellmunt ; Adrià Junyent-Ferre ; Montserrat Mata
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A complete model of a doubly fed induction generator-based wind turbine generation system and its control scheme are developed. All components such as converters, dc-link, protections, and grid are modeled. Control techniques for torque, reactive power, and dc-link voltage are analyzed for balanced and unbalanced faults ride-through performance. Simulation results are validated and compared with field test measurements of an operational 3-MW wind turbine. Balanced and unbalanced voltage sags have been provoked and the data required by the grid codes to perform a validation process have been sampled by means of a data acquisition system. A comparison between field test data and simulation results is done and the variables used to validate the model are plotted showing their evolution along the voltage dip and after the fault clearance. The results are validated according to Spanish and German grid codes.

Published in:

IEEE Transactions on Sustainable Energy  (Volume:2 ,  Issue: 4 )