Dynamic Modeling and Analysis of Demagnetizing Rotor of Permanent Magnet Synchronous Motor

Table 1

The main parameters of PMSM.

Variable	Unit	Value
Average air-gap length,	mm	1
Outer radius of the rotor,	mm	244
Shaft diameter of the rotor,	mm	52
Effective core length,	mm	245
Shaft length,	mm	410
Number of pole pairs,	Pair	2
Phase number of motor,	Phase	3
Coil turn,	Turn	10
Rotor quality,	kg	76
Stator current,	A	130
Shaft material		40 Cr