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

Table 3

Amplitude at the frequencies of interest for each gear condition with bearing defect and VFD set to 5 Hz.

Condition	Amplitude (×10^−3 m/s^2)
	Healthy	1.155	1.220	1.271	1.123	1.177	1.111
25%	1.203	1.275	1.397	1.212	1.169	1.223
50%	1.206	1.364	2.774	1.217	1.170	1.338
75%	1.188	1.708	1.215	1.190	1.111	1.178