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

Table 8

Simulation rotation speeds with time-varying mesh stiffness.

	Time [s]	1st stage rotation speeds [rpm]			2nd stage rotation speeds [rpm]			3rd stage rotation speeds [rpm]
		Carrier	Sun	Planet	Carrier	Sun	Planet	Input	Output
Simulation	0.334	58.76	267.5		267.5	1218.1		1218.1
Theoretical	0.327	58.76	267.5		267.5	1218.1		1218.1
Error [%]		0	0		0	0		0	0