PV Power Forecasting in the Hexi Region of Gansu Province Based on AP Clustering and LSTNet

Table 3

Pearson correlation coefficient of PV and weather factors.

Meteorological factor	Spring	Summer	Autumn	Winter
UV irradiance	0.96	0.95	0.9	0.89
GHI	0.9	0.86	0.79	0.78
DNI	0.82	0.78	0.79	0.77
Relative humidity	−0.81	−0.87	−0.64	−0.71
Solar zenith angle	−0.8	−0.75	−0.6	−0.63
DHI	0.59	0.64	0.59	0.68
Ambient temperature	0.74	0.6	0.36	0.35
Wind speed	−0.44	−0.36	−0.31	−0.22
Dew point	0.003	0.083	0	−0.1
Intensity of pressure	−0.003	0.12	0.12	0.091
Wind direction	0.067	0.003	0.001	−0.11