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When there has a sudden drop of grid voltage, crowbar protection circuit is a widely used method to improve the low voltage ride-through ability of wind turbines with doubly fed induction generator (DFIG), which is commonly used in wind power. This paper studied three-phase symmetrical short circuit current characteristics of DFIG with crowbar protection in depth, and simulations have been made in...
In order to investigate the transient response of doubly fed induction generator (DFIG) under grid disturbances, an accurate model is required. This paper uses available DFIG models and investigates the influence of various model parameters and simplifications for both mechanical (two-mass model) and electrical (saturation) subsystems on DFIG based wind plant transient response. Then, the factors...
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