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

Table 5

Amplitude at the frequencies of interest for each gear condition with bearing defect and VFD set to 15 Hz.

Condition	Amplitude (×10^−3 m/s^2)
	Healthy	2.482	4.673	8.622	1.204	1.352	1.427
25%	6.522	6.016	9.611	1.276	1.381	1.233
50%	13.93	9.154	13.11	1.432	1.414	1.427
75%	5.154	6.235	6.344	1.375	1.284	1.412