An Improved Rigid Multibody Model for the Dynamic Analysis of the Planetary Gearbox in a Wind Turbine

Table 1

Parameters of the planetary gear model.

Parameter	Carrier	Ring	Sun	Planet
Teeth number	—	96	27	35
Mass [kg]	5.43	2.35	0.4	0.66
Inertia [ kg·m^2]	59.1	56.7	0.58	1.53
Base diameter [mm]	96.9	137.5	38.7	50.2
Mean gear mesh stiffness [N/m]
Bearing stiffness [N/m]
Torsional stiffness [Nm/rad]
Pressure angle [°]	24.6
Helical angle [°]	0
Contact ratio	1.24