Vestas V90-3MW Wind Turbine Gearbox Health Assessment Using a Vibration-Based Condition Monitoring System

Figure 20

PSD of the envelope spectra of the obtained components from ICD (wind turbine data): (a) PC1(t), (b) PC2 (t), (c) PC3(t), (d) PC4(t), (e) PC5(t), and (f) PC6(t).

(a)

(b)

(c)

(d)

(e)

(f)