Calculations, experiments, and simulations show that increased
rating of the compensation device will extend the
transient stability margin of the system by providing higher
decelerating torque, but will at the same time increase the
maximum mechanical stress during recovery. The results from
the experiments and the simulations also indicate that a fast
controllable source of reactive power like the STATCOM,
can allow for more advanced control strategies to reduce the
mechanical stress on the drive train of a wind turbine during
recovery after a fault.