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This paper presents the comparison of three different strategies for the control of a doubly fed induction generator (DFIG) in wind energy conversion systems (WECS). Three of the most widespread and well-performing control approaches are implemented in an experimental setup based on a digital signal processor (DSP), namely, vector control, direct torque control, and direct power control. Said control...
This paper introduces a direct power control (DPC) method with narrowband disturbance rejection capability for the grid-connected doubly fed induction generator (DFIG). The method is suited for variable speed operation of DFIG, especially in wind energy conversion systems connected to weak networks where voltage unbalance is common. The control framework is based on the linear quadratic regulator...
A new method for Grid connection of a Doubly Fed Induction Generator (DFIG) based wind power generation system relying on DPC principles is presented. This control method, called Direct Power Control for Grid Connection (DPCGC), is particularly very simple and gives fast response of the stator voltage to meet the synchronization conditions. Indeed the fact that the efficiency of the widely known control...
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