Systems For Operating A Wind Turbine

DRIVE June 22, 2011
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A grid-dependent power limiter system (152) for reducing pole-slipping is described. The system includes a power limiter (180) configured to receive at least one of a phase locked loop (PLL) error signal (190) and a terminal grid voltage feedback signal (160), and generate a power command signal (198) based on at least one of the PLL error signal and the terminal grid voltage feedback signal. The system also includes a power regulator (182) coupled to the power limiter. The power regulator configured to receive the power command signal, generate a real current command signal (166) based at least partially on the power command signal, and transmit the real current command signal to a controller (156).

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