Analysis of the effects of materials on the resistance of the flywheel

• Published in: Procedia manufacturing 2018, Vol.22, p.675-682
• Main Authors: Saidi, Sara, Djebli, Abdelouahed
• Format: Article
• Language: English
• Subjects: Energy capacity; FES; Hollow cylinder; Inertia flywheels; Power grid; Turbine generators
• ISSN: 2351-9789; 2351-9789
• DOI: 10.1016/j.promfg.2018.03.097

Wind generators are generators whose primary source of energy is wind. It is well known that this source has very fluctuating and unpredictable characteristics so it is impossible to predict its value for a given moment. This poses many problems for energy system managers in stabilizing electricity production, especially for sites not connected to the electricity grid. The Flywheel energy storage system (FESS) is one of the technologies developed for the storage of wind energy. The flywheel accumulators associated with wind generators are electromechanical storage systems, enabling the storage of energy in kinetic form inside a flywheel, in particular when the wind speed increases. In addition, the accumulators allow the restoration of electrical energy to the grid during the reduction of the wind speed. In this work, we chose a material with a low density and the highest breaking strength possible. We also chose a hollow cylinder as an appropriate geometric shape in order to increase the energy capacity of the FESS and its efficiency. In order to model our structure, first we used the MATLAB software to obtain the expected results. Then we made a comparison between three flywheels of inertia technologies: flywheel of inertia in high-strength carbon fiber (R), in Kevlar and in high-performance glass (R) to check their deformation capacity. Finally, we retained the least deformed and most efficient material to use for our storage machine.