Health Status Assessment for Wind Turbine with Recurrent Neural Networks

Table 3

Performance criterions of the traditional LSTM for wind turbine 1.

SCADA variables	RMSE	MAE	BIAS	SDE
Generator speed	0.23	0.14	0.08	0.22
Generator temperature	0.046	0.034	0.01	0.046
Generator cooling air temperature	0.058	0.034	0.013	0.057
Generator bearing temperature	0.16	0.12	0.12	0.11
Gearbox temperature	0.058	0.044	0.031	0.049
Gearbox bearing temperature	0.049	0.038	0.01	0.048
Rotor speed	0.23	0.14	0.079	0.214
Battery box temperature	0.065	0.057	-0.046	0.076
Hydraulic pressure	0.294	0.1	-0.094	0.27
Shaft bearing temperature	0.315	0.294	0.294	0.114
Top box temperature	0.047	0.038	0.005	0.046