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您的检索式：作者名="Aziz Derouich"
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| 1 | Modern improvement techniques of direct torque control for induction motor drives - a review显示文摘Conventional direct torque control (DTC) is one of the excellent control strategies available to control the torque of the induction machine (IM). However, the low switching frequency of the DTC causes high ripples in the flux and torque that leads to an acoustic noise which degrades the control performances, especially at low speeds. Many direct torque control techniques were appeared to remedy these problems by focusing specifically on the torque and flux. In this paper, a state of the art review of various modern techniques for improving the performance of DTC control is presented. The objective is to make a critical analysis of these methods in terms of ripples reduction, tracking speed, switching loss, algorithm complexity and parameter sensitivity. Further, it is envisaged that the information presented in this review paper will be a valuable gathering of information for academic and industrial researchers. | Najib El Ouanjli Aziz Derouich Abdelaziz El Ghzizal Saad Motahhir Ali Chebabhi Youness El Mourabit Mohammed Taoussi | 2019 | Protection and Control of Modern Power Systems2019，4，1： | 0 |
| 2 | Direct torque control of doubly fed induction motor using three-level NPC inverter显示文摘This article presents the direct torque control (DTC) strategy for the doubly fed induction motor (DFIM) connected to two three-level voltage source inverters (3LVSIs) with neutral point clamped (NPC) structure. This control method allows to reduce the torque and flux ripples as well as to optimize the total harmonic distortion (THD) of motor currents. The use of 3LVSI increases the number of generated voltage, which allows improving the quality of its waveform and thus improves the DTC strategy. The system modeling and control are implemented in Matlab/Simulink environment. The analysis of simulation results shows the better performances of this control, especially in terms of torque and flux behavior, compared to conventional DTC. | Najib El Ouanjli Aziz Derouich Abdelaziz El Ghzizal Mohammed Taoussi Youness El Mourabit Khalid Mezioui Badre Bossoufi | 2019 | Protection and Control of Modern Power Systems2019，4，1： | 0 |
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