Research Article

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

Table 3

Equilibrium speeds from simulations and theory.

Improved modelModel of Lin and Parker [2]
Simulation TheoreticalError [%]SimulationTheoreticalError [%]

Time start to balance [s]0.1580.1561.280.1320.156
Carrier rotation speed [rpm]118.8118.8119.0119.0
1st planet rotation speed [rpm]0.04
1st planet tangential speed [m/s]0001.2070
Sun rotation speed [rpm]541.058541.0580541.9541.80.006