Environmental Engineering Reference
In-Depth Information
25
20
Persistence
WPPT
15
10
5
0
0
6
12
18
24
30
36
42
48
Look-ahead time (h)
Figure 6.21
Comparison of persistence and WPPT for regional wind power
forecasting for western Denmark
50
NRMSE persistence
NRMSE F-NN
NMAE persistence
NMAE F-NN
40
30
20
10
0
0
6
12
18
24
30
36
42
48
Look-ahead time (h)
Figure 6.22
Comparison of persistence and Fuzzy-NN models for an offshore
wind farm
the forecast uncertainties will no doubt play an important role in trading of wind
power in electricity markets, since they can prevent or reduce penalties in situations
of poor forecast accuracy (Nielsen
et al.
, 2006). Another example of a forecast with
multiple confidence intervals is shown in Figure 6.25.
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