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- W2348049629 abstract "Based on the noload mathematical model of doubly-fed wind power generator,this paper analyzes the grid-connected control strategy and the control process of present doubly-fed wind power generator.Then it compares the response velocity,the accuracy and stability of the control.It verifies the correctness of the theory and comparative analysis,based on the simulation experiment of PSCAD/EMTDC.Some conclusions are drawn as follows.Voltage open-loop control strategy based on hysteresis comparison has fast response but with poor accuracy.Voltage open-loop control strategy based on SPWM has a better accuracy.Voltage closed-loop control strategy has a better stability but its response speed is slow.Voltage closed-loop control strategy based on hysteresis comparison has a faster response speed on the basis of maintaining high accuracy.Finally,the authors simulate the characteristics of automatically grid-connected doubly-fed wind power generator,with different initial running speed.Meanwhile,under the hypersynchronous,subsynchronous and synchronous conditions,the double-fed wind generators under the above four control strategies can all achieve a smooth grid connection;there is no impact current basically." @default.
- W2348049629 created "2016-06-24" @default.
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- W2348049629 date "2014-01-01" @default.
- W2348049629 modified "2023-09-23" @default.
- W2348049629 title "Comparative analysis and strategy review of doubly-fed wind power generator with no-load grid connection" @default.
- W2348049629 hasPublicationYear "2014" @default.
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