Research On The Dynamic Power Control Method For VSCF Doubly-fed Induction Wind Turbine

The rapid growth in energy consumption in today's society has generated energy crisis and henced environmental pollution problems. So the clean energy alternative renewable fossil fuels now be seen as the most effective way to solve the energy crisis and environmental pollution . The wind as a renewable clean energy is large-scale used by person for its large storage and easy using. Therefore, the technology to use wind energy for power have alsobecome the current hot spot studied.In this paper, wind power technology in-depth is studied and the current wind power generation and network operation VSCF doubly fed induction wind power generation system is found to be the development of wind power technology based on reading a lot of wind power literature at home and abroad. The VSCF doubly fed induction wind power system control method asol is found to be the hot and difficult research in wind power research. ..This paper propose a dynamic mathematical model of wind turbines based on a two-phase asynchronous coordinates, which base on the characteristics of the asynchronous operation of wind turbines and the existing wind turbines mathematical model. When the dynamic mathematical model of wind turbines was simulated on the LABVIEW simulation platform, we can get the dynamic mathematical model of wind turbines be a ture reflection of the input wind speed and doubly-fed induction generator between the output power. After analysising the existing variable speed constant frequency doubly fed induction wind power system control methods and studing the related theroy ,etc generator space vector, the electromagnetic torque, rectifier inverter unit, the rotor voltage control method of stator current,this paper asol proposes a new dynamic power control strategy of VSCF doubly fed induction wind power system based on the dynamic mathematical model of wind turbines. And the dynamic power control strategy is simulated on the matlab simulation software.By the the simulation results , the dynamic power control strategy of variable speed constant frequency wind power generation system can be ensured to have good control effect of the active power of the variable speed constant frequency doubly fed induction wind power generation system .and we asol can found that the dynamic wind power control system has good static and dynamic effects.Finally, this paper give the full-text summary .In same time it point out the lack of it and make the prospect of future work...