Chapitres D'ouvrages
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Item Application of Synchro-Phasor Measurement Unit in Smart Grid Including Renewable Energy(2022) Mahboubi, Meriem; Ouadi, AbderrahmaneRenewable energy is one of the most abundant energies in our planet. In order to satisfy the world demand of electrical energy, solar and wind energy may be used. Identical to all other types of power generation plants, the integration of these renewable energy sources in smart power grid has an impact on its operation. Thus, when the electrical power is injected into the power grid by these energy sources, the system electrical parameters must be well monitored for synchronization purpose. This can be accomplished with the aid of synchro-phasors measurement units. The phase angle of the utility is a critical parameter for the operation of power devices feeding power into the grid such as PV and wind energy inverters. There are many techniques to obtain the grid phase angle such as the zero-crossing detection and the orthogonal phase locked loop. This research work discusses the use of Phasor Measurement Unit (PMU) for providing this important parameter to system synchronization in the case of high penetration of solar or wind energy in the power grid.Item Synthesis Cordierite Materials Starting from Algerian Kaolin(2018) Kheloui, Meriem; Boumchedda, K.; Boumchedda, S.; Rabehi, BahiaThe objective of this work is to study the synthesis of the cordieritephase from Algerian kaolin known as DD kaolin. To do this, the kaolin iswashed and sieved to prepare a particle size fraction <20l, rich in clay particles,and precipitated magnesium hydroxide is prepared to give magnesium andfinally silica fume is added to the mixtures experimental, tofill the silica deficit.The weighing of the materials is carried out in such a way as to producemixtures close to the ideal phase of the cordierite (2MgO.2Al2O3.5SiO2). Themixing is carried out in a large quantity of water with a metal stirrer at highspeed. The mixture is heated during stirring until the sludge is obtained. Thefinal drying is continued in an oven, the coarse powder obtained isfinely groundin a porcelain mortar.The results of investigations carried out by simultaneous thermal analysis(ATD-TG) show afirst exothermic peak at 945 °C. which is attributed tol-cordierite, a second exothermic peak at 1200 °C. which indicates the crystal-lization ofl-cordierite in Indialite, andfinally an endothermic peak above1400 °C which indicates the fusion of the indialite.The results of investigations of the X-ray diffraction analysis on the calcinedpowders at high temperature, shows that only the Indialite phase is present from1300 °C.Item Oscillation Detection Using PMU Technology in the North Africa Power System(Springer, 2019) Tsebia, Mohammed; Bentarzi, HamidMonitoring of the electrical power system has an importance in itsreliability. In order to ensure the best monitoring, the system of measure andcommunication must be precise and in real time. The integration of PMUtechnology in the electrical power system improves reliability monitoring for thelocal and large area power system. In this paper, we have used PMU technologyin the North African electric power systemItem Graph theory based reliability assessment software program for complex systems(Springer Science and Business Media Deutschland GmbH, 2020) Bourezg, Abdrabbi; Bentarzi, HamidReliability is a conceptual term that means endurance, dependability, andgood performance. However, in system engineering, it is more than a conceptualterm; it can be measured and evaluated. Reliability means the ability of a system toperform the required task under the normal conditions during its age. A complexityin system reliability may be commonly arisen due to the interconnection of variouselements in the form of a network that can be represented by graphs. The graph theoryand computer programs are essential tools for analyzing large and complex systems.This chapter presents how a complexity of system reliability can be reduced throughthe use of computer programs based on a graph theory. The software program hasbeen developed for reliability assessment of complex systems such as aircraft. Itcan handle any statistical distributions. It uses the inclusion-exclusion method forfinding the minimal paths for directed acyclic graph using reliability block diagram(RBD). A system may be considered to operate if there exists a set of functioningcomponents from source to target. So, at least one minimal path must function forthe system operation. The probability of the union of all minimal paths can be usedto find the reliability of the whole systemItem PMU deployment in power system oscillation monitoring(Springer, 2016) Recioui, Abdelmadjid; Bentarzi, Hamid; Tsebia, MohammedOscillatory events at low frequencies are commonly witnessed in interconnected power systems. Phasor Measurement Units (PMU) can provide time-synchronized measurements; it can communicate the synchronized local and inter-area information to remote station. In this paper, we have modeled a PMU, and we have tested it in the 14-bus power system . It proposes a real-time monitoring tool that exploits synchronized phasor measurements from PMUs, which allow real-time analysis of higher-frequency events, filling the lack of such monitoring application in the power systems areaItem Static and dynamic behaviours of composite laminate(Nova Science Publishers, 2012) Zitoune, R.; Mir, A.; Hachemane, B.; Boyer, F.; Bouvet, C.; Collombet, F.; Bezzazi, B.