Mohamed Maaroufi

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Wind turbine WT occupies gradually a large part in world energy market, Doubly fed induction generator DFIG is mostly used in WT, it allow highly flexible active and reactive power generation control. These machines are driven by power collaborating converters: voltage source converter VSC and rotor-side converter RSC protected using crowbar protection(More)
This study presents a comparison of linear and nonlinear control to regulate the DC-link voltage and power factor correction of a wind farm equipped with squirrel cage induction generators (SCIGs), connecting to a 22-kV distribution network. Both active and reactive powers are employed in 2 independent control laws. The proposed control strategies are(More)
Maximum power points tracking (MPPT) techniques are widely utilized in photovoltaic (PV) systems to operate at the peak power of PV array which depends on solar and ambient temperature. Between all the MPPT strategies, the incremental conductance (INC) algorithm is extensively employed due to the high tracking accuracy at steady state and good adaptability(More)
Electricity demand forecasting is vitally important for power production companies. It has many applications, including energy production scheduling, maintenance and operation of electric network, elaboration of accurate investment and development plans for transmission and distribution networks, negotiation of PPAs (Power Purchase Agreements) and(More)
This paper presents architecture for smart grid elements and concepts modeling. We choose the Multi-Agent Systems (MAS) technology, because it meets this new generation network's requirements and objectives. There is a need of potential redesign and jeopardize of the traditional electrical networks. As several huge blackouts happened this last decade, they(More)
The temperature and the wind effect on the PV module is very important to analyze even if the PV spec sheet specify the nominal parameters. Indeed, in Moroccan climate, the response of the polycrystalline PV panel, the most used technology, should be studied and investigated. The present work looks into the output power in the fixed panel and in the two(More)
This paper expands a nonlinear fuzzy based control strategy applied to a variable speed Wind Energy Conversion System WECS founded on Doubly Fed Induction Generator DFIG. As power network assists a high wind energy emergence, the studied WECS represents a wind farm WF of 500MW connected to the Grid and dispatched in such a way that it can contribute to grid(More)
Maximum power point tracking (MPPT) techniques are widely applied in photovoltaic system to produce the maximum power of the PV generator. In this paper, we presented a modified variable step size P&O MPPT algorithm. The proposed method can greatly improve the response time and precision MPPT steady state simultaneously. The proposed approach has been(More)
La présente publication traite le rejet des perturbations en courants par le filtre actif parallèle pour améliorer la qualité de l'énergie électrique. En effet, cette action de recherche s'articule autour d'une nouvelle méthode d'identification des perturbations en courant occasionnées par les charges polluantes omniprésentes dans les installations(More)