Application of Reassigned Wavelet Scalogram in Wind Turbine Planetary Gearbox Fault Diagnosis under Nonstationary Conditions

Table 6

Characteristic frequencies of drivetrain gearbox.

Planetary				Fixed-shaft stage 1			Fixed-shaft stage 2
Mesh	Ring	Planet	Sun	Mesh	Drive	Driven	Mesh	Drive	Driven
42.03	0.44	2.27	2.01	173.18	2.44	9.11	811.20	9.11	27.04