Using Simplified Models to Assist Fault Detection and Diagnosis in Large Hydrogenerators

Table 1

Radial static loads measured in the journal bearings of an LHG.

Operating condition		Upper bearing		Lower bearing
Speed [r/min]	Power [MW]	Load [kN]	Directed to Pad	Load [kN]	Directed to Pad
78.5	0	31	13	21	7
92.3	0	61	8	91	14
92.3	600	248	15	295	7
92.3	700	274	10	294	15
92.3	700	316	16	355	9