Browsing by Author "BENAZZOUZ, Djamel"

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    The Impact of Direct Normal Irradiation on the Solar Tower Power Plant Performance based on Real and Satellite Data: Analysis on Algerian Regions
    (EBSCO, 2020) Rouibah, Abdelkader; BENAZZOUZ, Djamel; KOUZOU, Ahmed Lakhdar; HAFAIFA, Ahmed
    The present paper presents a deep study on the possibility of implementing Concentrated Solar Power (CSP) plants in Algeria for the production of the electrical energy. Indeed, this paper focusses mainly on the main parameters, which can have an important impact on the choice of the location, the dimension and the available thermal energy storage system. In this study, three main parameters are investigate such as the solar Multiple (SM), the thermal energy Storage (TES) capacity and the Capacity Factor (CF),where the main challenge is to find their optimal values based on the available solar energy deposit and the different constraints of the four considered region of Algeria presented in this paper. These optimal values will be used in the implementation and the management of the considered CSP to ensure the maximal probability of the location in terms of balance between the production and the demand of energy. This paper benefits from the onsite real data and the satellite data for finding the optimal values of the aforementioned parameters, where it has been proved that the satellite data can ensure more precise profitability of the available solar energy to ensure more produced electrical power. The obtained results allow to obtain optimized configuration of the implemented CSP and demonstrate that the use of such solar power plant can be of great interest to ensure more times production of the national electrical energy demand, especially in the large Sahar of Algeria which can power several part of the world and neighbour countries. Copyright of Electrotehnica, Electronica, Automatica is the property of ICPE SA (Editura Electra) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract
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    Optimal sensor placement for fault detection and isolation by the structural adjacency matrix
    (Academic journals, 2013) Alem, Said; BENAZZOUZ, Djamel
    In this paper, we consider the optimal sensors plac ement problem for faults detection and isolation. When the detection and isolation of faults of an ex isting system’s sensors is impossible or uncertain, a reconfiguration sensor placement of this system sho uld be reconsidered. The propagation of faults (Observability/Detectability) was studied in a stru ctured linear system on a directed graph (digraph). An optimisation of sensor placement is necessary to is olate detectable faults and obtain an optimal structural isolability. To have a maximal structura l isolability, we must find all the vertex-disjoint paths knowing that this property depends upon additional sensors. This novel approach is illustrated over a two tanks application applying on a directed graph to obtain the maximal and optimal structural detectability and isolability of the system.