Research Article
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 |
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