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Fault-Tolerant Control of Wind Turbines: A Benchmark Model

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3 Author(s)
Peter Fogh Odgaard ; Aalborg University, Aalborg, Denmark ; Jakob Stoustrup ; Michel Kinnaert

This paper presents a test benchmark model for the evaluation of fault detection and accommodation schemes. This benchmark model deals with the wind turbine on a system level, and it includes sensor, actuator, and system faults, namely faults in the pitch system, the drive train, the generator, and the converter system. Since it is a system-level model, converter and pitch system models are simplified because these are controlled by internal controllers working at higher frequencies than the system model. The model represents a three-bladed pitch-controlled variable-speed wind turbine with a nominal power of 4.8 MW. The fault detection and isolation (FDI) problem was addressed by several teams, and five of the solutions are compared in the second part of this paper. This comparison relies on additional test data in which the faults occur in different operating conditions than in the test data used for the FDI design.

Published in:

IEEE Transactions on Control Systems Technology  (Volume:21 ,  Issue: 4 )