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As in cutting-in control process of pitch-controlled doubly-fed wind power generation system, the synchronized control strategy of DFIG can only regulate the stator voltages before cut in, the performance of pitch control for maintaining wind turbine rotating speed is studied, in order to prevent turbine over-speed. For accomplishing the whole cutting-in process simulation, a method based on modeling generator respectively and time-sharing simulation is also adopted. The simulating results validate that both the control strategies and Modeling methods discussed in this paper are efficient.
Date of Conference: 6-8 July 2012