Research Article

A Weak-Coupling Flow-Power Forecasting Method for Small Hydropower Station Group

Table 4

Comparison of the 120-hour-ahead prediction performance of each migration prediction method.

Basin 498Basin 260Basin 32

TFT modelNSE0.03-0.05-0.31
TPE0.270.780.96
NRMSE0.300.941.45

Ordinary fine-tuningNSE0.060.230.08
TPE0.280.400.63
NRMSE0.300.771.54

Pretrain-fine-tune TFT modelNSE0.360.420.13
TPE0.240.340.61
NRMSE0.130.691.51

-fold cross-validation fine-tuningNSE0.540.360.27
TPE0.220.330.34
NRMSE0.080.700.77