Young Su Son

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A 5kWh class FESS(Flywheel Energy Storage System) with the operating speed range of 9,000~15,000rpm has been developed. The system consists of a composite flywheel rotor, active magnetic bearings, a motor/generator and its controller. Because Active magnetic bearings(AMB) to support the rotor vibration are open-loop unstable, they needs a feedback(More)
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