Research Article
Evaluation Method of Wind Speed Time-Shifting Characteristics at Multiple Scales and Its Application in Wind Power System
Table 4
Correlation of wind speed sequences between points under two conditions (wind turbines scale).
| τ | 1#-2# | 1#–3# | 1#–4# | 2#–3# | 2#–4# | 3#–4# |
| Original | 0.758 | 0.794 | 0.651 | 0.827 | 0.587 | 0.649 | Considering time-shifting | 0.900 | 0.897 | 0.853 | 0.912 | 0.853 | 0.872 | Difference | 0.142 | 0.103 | 0.202 | 0.086 | 0.266 | 0.223 |
| ρs | 1#-2# | 1#–3# | 1#–4# | 2#-3# | 2#–4# | 3#-4# |
| Original | 0.920 | 0.938 | 0.842 | 0.959 | 0.783 | 0.839 | Considering time-shifting | 0.985 | 0.983 | 0.966 | 0.988 | 0.965 | 0.974 | Difference | 0.065 | 0.046 | 0.124 | 0.029 | 0.182 | 0.135 |
| λ | 1#-2# | 1#–3# | 1#–4# | 2#-3# | 2#–4# | 3#–4# |
| Original | 0.467 | 0.703 | 0.004 | 0.517 | 0.000 | 0.058 | Considering time-shifting | 0.841 | 0.850 | 0.806 | 0.872 | 0.828 | 0.813 | Difference | 0.374 | 0.147 | 0.802 | 0.354 | 0.828 | 0.754 |
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