Evaluation Method of Wind Speed Time-Shifting Characteristics at Multiple Scales and Its Application in Wind Power System

Table 2

Correlation of wind speed sequences between points under two conditions (wind farms scale).

τ	1#-2#	1#–3#	1#–4#	1#–5#	2#-3#	2#–4#	2#–5#	3#-4#	3#–5#	4#-5#
Original	0.569	0.479	0.399	0.283	0.641	0.485	0.464	0.681	0.555	0.615
Considering time-shifting	0.616	0.577	0.522	0.510	0.655	0.543	0.567	0.712	0.611	0.648
Difference	0.048	0.097	0.123	0.227	0.014	0.058	0.103	0.030	0.056	0.033
ρs	1#-2#	1#–3#	1#–4#	1#–5#	2#-3#	2#–4#	2#–5#	3#-4#	3#–5#	4#-5#
Original	0.756	0.660	0.563	0.411	0.831	0.670	0.640	0.862	0.743	0.805
Considering time-shifting	0.802	0.767	0.712	0.699	0.845	0.735	0.758	0.886	0.801	0.834
Difference	0.046	0.107	0.149	0.288	0.014	0.065	0.118	0.024	0.058	0.029
λ	1#-2#	1#–3#	1#–4#	1#–5#	2#-3#	2#–4#	2#–5#	3#-4#	3#–5#	4#-5#
Original	0.348	0.226	0.093	0.040	0.095	0.106	0.241	0.463	0.318	0.301
Considering time-shifting	0.438	0.276	0.118	0.085	0.138	0.119	0.244	0.507	0.333	0.390
Difference	0.090	0.051	0.025	0.045	0.043	0.013	0.003	0.044	0.015	0.089