This paper discusses a high-speed induction motor and its associated inverter drive which were developed for the Federal Railroad Administration's “Advanced Locomotive Propulsion System.
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The primary types include mechanical flywheels, magnetic bearings, and composite flywheel systems, which each utilize distinct technologies to optimize energy retention and discharge.
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First-generation flywheel energy-storage systems use a large steel flywheel rotating on mechanical bearings. Newer systems use carbon-fiber composite rotors that have a higher tensile strength than steel and can store much more energy for the same mass.
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Since FESS is a highly inter-disciplinary subject, this paper gives insights such as the choice of flywheel materials, bearing technologies, and the implications for the overall design and performance. For the application survey, we focus.
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