Browsing by Author "Ayachi Amor, Nourdine"

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    Comprehensive modeling and simulation of grid-tied PV system
    (IEEE, 2017) Ayachi Amor, Nourdine; Ayachi Amor, Yacine; Metidji
    In this work, three-phase single stage grid-connected photovoltaic system using current control inverter is simulated using Matlab/Simulink. To deal with varying irradiance conditions, the incremental conductance MPPT has been used, however in order to improve the power quality a three-level (NPC) inverter based SVM control together with LCL filter has been used. The main result of the project is that power has been injected to the grid while the power factor is forced to be unity and the current's THD is kept below the level required by the international standards
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    Design and implementation of three-level inverter for grid-tied PV systems
    (IEEE, 2017) Ayachi Amor, Nourdine; Ayachi Amor, Nourdine; Kheldoun, Aissa; Metidji, Brahim
    High quality voltage and current are required when PV generator is connected to grid utility. To this, multilevel inverters are very desirable to be used as connection interface. To keep the cost of the whole system as low as possible, a cost-effective control device using STM32F4 discovery board is employed to control three-level inverter that can be used in grid-tied PV system. The paper develops and implements the control strategy of simplified space vector pulse width modulation (SVPWM) algorithm using Matlab/Simulink software. Obtained experimental results depict the powerfulness of used card as well as the high quality of the delivered power