supported in part by the National Natural Science Foundation of China under Grant 52007055;in part by the Natural Science Foundation of Hunan Province of China under Grant 2021JJ40099。
Permanent magnet homopolar inductor machine(PMHIM) has attracted much attention in the field of flywheel energy storage system(FESS) due to its merits of simple structure,brushless excitation, and rotor flywheel integ...