A Voltage Modulated Direct Power Control of the Doubly Fed Induction Generator

In this paper, a Voltage Modulated Direct Power Control (VM-DPC) for doubly fed induction generator is proposed. The suggested method is implemented in the rotor reference frame, so that the phase-lock loop can be removed and relevant potential instability can be eliminated. The main advantage is that the proposed method has a relative simple structure compare to conventional Look-Up Table (LUT) DPC and sliding mode control (SMC), besides, it not only guarantees an enhanced transient performance but also keeps the steady-state harmonic spectra at the same level as voltage-oriented strategy. Finally, a simulation based on MATLAB/Simulink is provided to validate the performance of proposed VM-DPC strategy.