Design of Flywheel Energy Storage System – A Review

This paper extensively explores the crucial role of Flywheel Energy Storage System (FESS) technology, providing a thorough analysis of its components. It extensively covers design specifications, control system design, safety measures, disc and bearing selections, and casing considerations. Moreover, it conducts a thorough analysis of flywheel losses, proposing effective mitigation strategies. In terms of design, the paper focuses on optimizing performance and structural integrity by discussing parameters such as size, shape, and material composition. Safety protocols, including containment systems are meticulously addressed to prevent accidents. The selection of discs and bearings is explored in detail, considering factors such as friction and heat dissipation. Similarly, suitable casings are examined to ensure adequate protection and maintenance accessibility. Here, flywheel losses are analyzed, and sources like aerodynamic drag and bearing friction are identified, with suggested methods for minimizing their impact. Furthermore, this paper highlights the versatile applications of flywheels across industries, from renewable energy to transportation, making it a comprehensive guide to harnessing flywheel technology's potential.