A Review of Flywheel Energy Storage System Technologies

Kai Xu (), Youguang Guo (), Gang Lei and Jianguo Zhu
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Kai Xu: School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
Youguang Guo: School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
Gang Lei: School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
Jianguo Zhu: School of Electrical and Information Engineering, University of Sydney, Camperdown, NSW 2006, Australia

Energies, 2023, vol. 16, issue 18, 1-32

Abstract: The operation of the electricity network has grown more complex due to the increased adoption of renewable energy resources, such as wind and solar power. Using energy storage technology can improve the stability and quality of the power grid. One such technology is flywheel energy storage systems (FESSs). Compared with other energy storage systems, FESSs offer numerous advantages, including a long lifespan, exceptional efficiency, high power density, and minimal environmental impact. This article comprehensively reviews the key components of FESSs, including flywheel rotors, motor types, bearing support technologies, and power electronic converter technologies. It also presents the diverse applications of FESSs in different scenarios. The progress of state-of-the-art research is discussed, emphasizing the use of artificial intelligence methods such as machine learning, digital twins, and data-driven techniques for system simulation, fault prediction, and life-assessment research. The article also addresses the challenges related to current research and the application of FESSs. It concludes by summarizing future directions and trends in FESS research, offering valuable information for further advancement and improvement in this field.

Keywords: flywheel energy storage systems (FESSs); flywheel rotors; flywheel motors; power electronic converters; machine learning (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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