Torque System Modeling and Electromagnetic Coupling Characteristics Analysis of a Midpoint Injection Type Bearingless Permanent Synchronous Magnet Motor

Table 1

Structural parameters of MPI-BL-PMSM

Parameters	Value
Stator slot count	6
Stator inner diameter (mm)	50
Stator outer diameter (mm)	100
Rotor outer diameter (mm)	42
Axial length (mm)	40
Air gap length (mm)	1
Winding turns count	50
PM thickness (mm)	3
PM material	NdFe35
PM remanence density (T)	1.23
PM flux-linkage (Wb)	0.0352
(mm)	1
(mm)	2
(mm)	6
(mm)	2
(mm)	15
(mm)	21
(mm)	5