PSACD/EMTDC based simulation of double fed induction generators for wind turbine applications
Shahnia, F. and Sharifian, M.B.B. (2005) PSACD/EMTDC based simulation of double fed induction generators for wind turbine applications. In: 13th International Conference on Electrical Drives and Power Electronics (EDPE) 2005, 26 - 28 September 2005, Dubrovnik, Croatia
In this paper, a DFIG power conversion system is simulated and vector controlled for improving power quality of the grid while injecting the required active power of the system. The system model proposed in this paper is developed in the dedicated power electronics and system simulation tool, PSCAD/EMTDC. The model also includes dynamic wind speed fluctuations and control of a soft starter, enabling simulation of the power quality characteristics of the wind turbine. Based on the simulation results, it is proved that the proposed DFIG is capable of simultaneous capturing maximum power of wind energy with fluctuating wind speed and improving power quality, that are achieved by cancelling the most significant and troublesome harmonics of the utility grid. Dynamic power factor correction and reactive power control are the other two significant features of this technology.
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