Neural Network Based Fault Detection and Diagnosis System for Three-Phase Inverter in Variable Speed Drive with Induction Motor

Table 1

Feature data for training neural network.

System condition	Feature data for training
States	(mean)	(mean)	Angle	Surface
Normal	0.25	0	0	0
T1	−7.32	−3.89	207	12.33
T2	7.09	−4.19	300	12.73
T3	0.08	8.36	89	11.43
T4	7.3	3.95	28	11.26
T5	−6.91	4.37	122	11.6
T6	−0.02	−8.15	269	13.09
T1&T2	−1.27	−9.03	262	37.66
T1&T3	3	5.15	126	36.66
T2&T3	8.45	3.4	22	36.55
T4&T6	7.31	−5.68	308	37.19
T5&T6	−8.15	−3.26	202	38.77
T4&T5	1.76	9.12	79	38.80