Swagat PatiApplications , Abinash Panda, Sumit Sen Behera
In the recent days DFIG has been the most favorite option for wind power harnessing. Most research in the area of wind power generation system is based upon the control and performance improvement of the DFIG as a generator in variable speed wind energy systems. The slow and complex dynamics of the DFIG makes it a challenging task for high performance control structures. In this paper a DFIG based variable speed wind energy system is considered. A hysteresis current controller based stator flux oriented vector control scheme is implemented for the high performance control of the system. The control scheme relies upon two conventional PI controllers and three hysteresis band current controllers for the control purpose. The system is evaluated under different types of disturbances and the results are produced in this paper.
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