2021•2021 IEEE 4th International Electrical and Energy Conference (CIEEC)Requires access
Comprehensive design of high-speed and high-power motor rotor considering dynamic characteristics
Qichao Lv, Fei Ni, Wen Ji, Dongyuan Lv, Yanbao Li, Yiheng Zhou
Open publisher page 2 citations
Abstract
A high-performance low-loss high-power high-speed motor used in flywheel energy storage system is studied in this paper, where the dynamic characteristics of high-speed motor rotor system are studied and comprehensively designed. The influence of electromagnetic force and damping force on the rotor system has been analyzed. The critical speed of the rotor system has been calculated, and the modal characteristics of the rotor system have been studied by simulation. Finally, the steady and transient response characteristics of the rotor are obtained. Based on these analysis results, the sheath of flywheel rotor shaft is designed comprehensively to realize the safe and stable operation of high-speed motor.