Health Status Assessment for Wind Turbine with Recurrent Neural Networks

Table 6

Performance criterions of the proposed model for wind turbine 2.

SCADA variables	RMSE	MAE	BIAS	SDE
Generator speed	0.292	0.172	-0.154	0.248
Generator temperature	0.024	0.018	0.012	0.021
Generator cooling air temperature	0.054	0.033	0.017	0.051
Generator bearing temperature	0.031	0.024	0.016	0.026
Gearbox temperature	0.025	0.016	0.005	0.027
Gearbox bearing temperature	0.021	0.014	-0.005	0.02
Rotor speed	0.288	0.173	-0.148	0.246
Battery box temperature	0.062	0.044	-0.009	0.061
Hydraulic pressure	0.037	0.02	-0.001	0.037
Shaft bearing temperature	0.049	0.024	0.003	0.049
Top box temperature	0.016	0.01	0.004	0.016