Description: Abstract—If a wind farm is weakly connected to a power grid,
then the voltage of the connection point fluctuates frequently
due to the changeable wind speed. The active and reactive power
of a doubly-fed induction generator (DFIG) can be decoupling
controlled and the grid-side converter (GSC) of a DFIG can also
generate some reactive power by adjusting the power factor,
thus a DFIG can be considered as a reactive power resource to
stabilize the voltage of the connection bus.
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