Experimental Aspects in the Vibration-Based Condition Monitoring of Large Hydrogenerators

Figure 11

Shaft vibration at the TJB of a LHG with 540 MW, in time (a) and frequency (b) domains (spectrum main peaks are 90 μmpp@1.5 Hz, 205 μmpp@5.50 Hz, and 155 μmpp@5.76 Hz).

(a)

(b)