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Author: Wang Zhihao; Shi Wenxuan; Ding Lei; Sun Yong; Should be

Abstract: With the continuous increase of wind power penetration,To maintain the operation of the power grid is safe and stable,Requires the wind turbine to have fault crossing (Fault Ride Through,FRT) ability. In the current dual -feed wind turbine (Double Fed INDuction Generator,dfig) Under the control strategy of fault crossing,Powerful power imbalance caused by the failure of the grid,may cause a large fluctuation of speed. Based on,First consider wind power capture、Perseverance angle control、Factors m88 sports bettingsuch as fault crossing control and rotor movement,Establishing a mathematical model for observing m88 live casino gamesthe speed fluctuation characteristics of the dual feeder air failure during the crossing period。then,The theoretical analysis of the characteristics of speed fluctuations and the reasons for their appearance,and according to this, the control mode of the pitch -based angle control is proposedReplace control method,to improve m88 live casino gamesthe speed fluctuation characteristics of dual feeders during the failure during the failure。Last,inDIGSILENT POWERFACTORYFine simulation models when dual feeders are established on the simulation platform,and verify the effectiveness of the control strategy.

Published in:Grid Technology

Post time:2021-02-25