Monthly electrical load computer forecasting method based on wavelet analysis
A technology of power load and wavelet analysis, applied in forecasting, calculation, instrument and other directions, can solve the problem of not being able to reflect the growth trend of the load curve well.
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[0041] Reference figure 1 with figure 2 , The monthly power load forecasting method based on wavelet analysis of the present invention includes an input module 1, a wavelet transform module 2, a first type prediction module 3, 4, 5, 6, a second type prediction module 7, a wavelet reconstruction module 8, Output module 9. Input module 1 receives historical load data c 0 , And historical data c 0 Send to the wavelet transform module 2; the wavelet transform module 2 decomposes the historical data and decomposes them into d 1 , D 2 , D 3 , D 4 , C 4 Five components, where d 1 -d 4 Has the characteristics of annual cyclical changes, c 4 Has a growing trend of change; the first type of prediction module 3, 4, 5, 6 pair d 1 -d 4 These four components make predictions; the second type of prediction module 7 performs c 4 The components are predicted; the wavelet reconstruction module 8 performs wavelet reconstruction on the predicted components to obtain the predicted load c 0 '; Final...
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