Table 1.
Decomposition results of daily power generation data in 2020 under different mode numbers.
Fig 1.
Normalization error trends at different mode numbers.
Fig 2.
Flow chart of BER to determine the mode number.
Fig 3.
Flow chart of the proposed method.
Fig 4.
Trend of wind power generation in 2020 and 2021.
Fig 5.
Statistics of wind power generation datasets.
Table 2.
Analysis of the daily power generation datasets.
Table 3.
Central frequency of the first decomposition.
Fig 6.
Normalization error trends at different mode numbers.
Table 4.
Central frequencies of the second decomposition in 2020 and 2021.
Fig 7.
LSSVM decomposition process.
Table 5.
Percentage decrease in the error sum.
Table 6.
PE of each component.
Table 7.
Forecasting results of Group A and Group B.
Table 8.
Experimental error results for the third and fourth groups.
Fig 8.
Comparison of experimental errors in three levels.
Table 9.
Percentage reduction for secondary and tertiary decomposition.
Table 10.
Percentage decrease in the error of discarding secondary residual components.
Fig 9.
Average percentage of MAE after removing the secondary residual components.