Multiple-Fault Detection Methodology Based on Vibration and Current Analysis Applied to Bearings in Induction Motors and Gearboxes on the Kinematic Chain

Table 7

Amplitude at the frequencies of interest for each gear condition with bearing defect and VFD set to 50 Hz.

Condition	Amplitude (×10^−3 m/s^2)
	Healthy	28.79	3.832	1.248	3.326
25%	10.27	4.005	1.527	7.018
50%	58.26	5.194	1.609	5.52
75%	23.79	6.364	1.811	5.857