Research Article

Modeling and Analysis of Coupling Performance of Dynamic Stiffness Models for a Novel Combined Radial-Axial Hybrid Magnetic Bearing

Table 1

Parameters of The CRAMB.

ParametersDescriptionValue

Inner radius of the RMB rotor, (mm)25
Outer radius of the RMB rotor, (mm)30
Inner radius of the RMB stator, (mm)30.5
Radial pole shoe area, (mm2)1036
The number of winding turns in coil of RMB220
Outer radius of the RMB stator, (mm)60
Outer radius of the yoke, (mm)70
Inner radius of the axial pole shoe, (mm)31
Outer radius of the axial pole shoe, (mm)34
Inner radius of the yoke, (mm)62
Inner radius of the RMB rotor, (mm)10
Length of the stator return ring of RMB, (mm)31
Thickness of the permanent ring, (mm)10
Thickness of the element 10, (mm)8
Thickness of the element 3, (mm)24
Thickness of the element 4, (mm)8
Thickness of the element 5, (mm)8
Thickness of the thrust plane, (mm)7
Thickness of the element 9, (mm)8
Thickness of the element 12, (mm)8
radial and axial air gap, (mm)0.5
The number of winding turns in coil of AMB120
The mass of the rotor, (kg)7.2
The conductivity of yoke and thrust disk, (S/m)8 × 106
Permeability of free space, (H/m)
Relative permeability of the permanent magnet1.082
Resistivity of the magnet ring, (Ω·m)