Data of the motor:

Rated power

$P_{\text{N}}=2400\text{kW}$

Rated speed

$n_{\text{N}}=3600\text{rpm}$

Masse of the stator

$m_{\text{s}}=7040\text{kg}$

Mass inertia of the stator at the x-axis

${\theta }_{\text{sx}}=1550\text{kg}\cdot {\text{m}}^2$

Mass of the rotor

$m_{\text{w}}=1900\text{kg}$

Mass of the rotor shaft journal

$m_{\text{v}}=10\text{kg}$

Mass of the bearing housing

$m_{\text{b}}=80\text{kg}$

Stiffness of the rotor

$c=6.0\times {10}^8\text{kg}/{\text{s}}^{\text{2}}$

Height of the centre of gravity S

$h=560\text{mm}$

Distance between motor feet

$2b=1060\text{mm}$

Horizontal stiffness of bearing housing and end shield

$c_{\text{by}}=4.8\times {10}^8\text{kg}/{\text{s}}^{\text{2}}$

Vertical stiffness of bearing housing and end shield

$c_{\text{bz}}=5.7\times {10}^8\text{kg}/{\text{s}}^{\text{2}}$

Mechanical loss factor of the bearing housing and end shield

$\tan {\delta }_{\text{b}}=0.04$

Mechanical loss factor of the rotor

$\tan {\delta }_{\text{i}}=0.03$

Data of the sleeve bearings:

Bearing shell

Cylindrical

Lubricant viscosity grade

ISO VG 32

Nominal bore diameter/Bearing width

d_b = 110 mm/b_b = 81.4 mm

Ambient temperature/Supply oil temperature

T_amb = 20˚C/T_in = 40˚C

Mean relative bearing clearance (DIN 31698)

Ψ_m = 1.6‰

Data of the foundation (for each motor side):

Mass left side

$m_{\text{fL}}=30\text{kg}$

Mass right side

$m_{\text{fR}}=30\text{kg}$

Vertical stiffness for each motor side

$c_{\text{fzL}}=c_{\text{fzR}}=1.5\times {10}^8\text{kg}/{\text{s}}^{\text{2}}$

Horizontal stiffness for each motor side

$c_{\text{fyL}}=c_{\text{fyR}}=1.0\times {10}^8\text{kg}/{\text{s}}^{\text{2}}$

Mechanical loss factor

$\tan {\delta }_{\text{f}}=0.04$

Data of the actuators (for each motor side):

Mass of the stator

$m_{\text{as}}=10\text{kg}$

Mass of the armature

$m_{\text{aa}}=3\text{kg}$

Vertical stiffness

$c_{\text{az}}=1.2\times {10}^8\text{kg}/{\text{s}}^{\text{2}}$

Horizontal stiffness

$c_{\text{ay}}=3.0\times {10}^8\text{kg}/{\text{s}}^{\text{2}}$

Mechanical loss factor

$\tan {\delta }_a=0.04$