Can anyone provide useful source or information about Doubly Fed Induction generator ? I can able...

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Electrical Engineering

Can anyone provide useful source or information about Doubly FedInduction generator ? I can able the basic information on theoperating principles of DFIG, however, I want more informationabout the innovations, statistics , just any additional informationabout DFIG would be appreciated.

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4.5 Ratings (987 Votes)

Doubly fed induction generatorsDFIG are similar to ACelectrical generator but have additional features that allow themto run at speeds slightly above or below their synchronous speedThis is greatly useful for large variable speed wind turbines because wind speed can change abruptly When a gust of wind hits awind turbine the blades of turbines try to speed up but asynchronous generator is locked to the speed of the grid and cantgain speed So large forces are developed in the hub of turbine gearbox and the generator as the power grid pushes back Thiscauses damage to the mechanism also causes its wear If theturbine See Answer

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