Browsing by Author "Merazka, Abdeslam"

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    Design and implementation of T-type three level inverter based grid-connected PV system
    (2018) Merazka, Abdeslam; Lazoueche, Yossouf; Kheldoun, Aissa(Supervisor)
    connected PV system. Two controllers will be developed namely the Golden Section Search (GSS) –based MPPT and the SVM for the three level T-type inverter being used as interface with the Gird. The MPPT algorithm ensures maximum power extraction from the PV generator and the SVM ensures the requirements of grid connection standard in terms of power quality. Phase locked loop (PLL) is used to lock the grid phase and frequency and to eliminate the high frequency ripples and reduce the THD at the inverter output an LCL filter is used.
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    Design and implementation of T-type three level inverter based grid-connected PV system
    (2018) Merazka, Abdeslam; Lazoueche, Yossouf; Kheldoun, Aissa (Supervisor)
    Due to its intermittence, strong dependability on the climate conditions, penetration of PV plants to grid utilities is a big challenge for the power system operators. This project is intended to design and implement a three-phase grid-connected PV system. Two controllers will be developed namely the Golden Section Search (GSS) –based MPPT and the SVM for the three level T-type inverter being used as interface with the Gird. The MPPT algorithm ensures maximum power extraction from the PV generator and the SVM ensures the requirements of grid connection standard in terms of power
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    Design and implementation of three-level T-type inverter based on simplified SVPWM using cost-effective STM32F4 board
    (Inderscience Online Journals, 2021) Amor, Yacine Ayachi; Kheldoun, Aissa; Metidji, Brahim; Hamoudi, Farid; Merazka, Abdeslam; Lazoueche, Youssouf
    This paper investigates the design and validation of simplified space vector pulse width modulation (SVPWM) as a switching control for a three-phase three-level T-type inverter using STM32F4 board interfaced with MATLAB/Simulink environment. Usually, the SVPWM algorithm implemented using either DSP card or Dspace platform, which affects the cost of the system. On the contrary, the proposed algorithm offers a great reduction of computations compared with the conventional one, which grants an easy digital implementation. Thanks to the geometrical symmetry of six sectors, in which exists a close relationship between on-time calculations and on-time arrangement of the switching states. This can be exploited for the remaining sectors based on a single computation that relies on the first sector only. The proposed algorithm has been validated in both simulation and experimental tests. The results show the ability and the flexibility of using the STM32F4 board to drive a three-level T-type inverter