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Vector Control(VC) and Direct Power Control (DPC) of Doubly Fed Induction Generator(DFIG) is studied in this paper. Grid connection and steady state running for DFIG are discussed based on VC and DPC. Two kinds of control strategies of DFIG both have good performance during the cutting-in grid. This paper uses instantaneous reactive power theory of three-phase circuits to the DFIG control. DPC idle...
In order to reduce the computational a novel approach is proposed in which the generalized predictive control (GPC) algorithm is improved based on toeplitz matrix in this paper. The control algorithm proposed is simplified by reconstructing the performance index. This approach has good adaptive ability and robustness with low-cost computation. The effectiveness and rapidity of this algorithm is demonstrated...
The vector control technique is applied in doubly fed induction generator (DFIG) according to the characteristic of AC-excited variable speed constant frequency (VSCF) wind power generation, a comprehensive control strategy is presented based on grid voltage orientation, which gets the same performances as stator flux orientation, but the stator flux observer can be omitted to simplify the control...
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