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A new strategy for power monitoring data collection based on data mining and its role in improving prediction accuracy

Junpeng Zhao

Junpeng Zhao

State Grid Hebei Marketing Services CenterShijiazhuang, China
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Zhao, Junpeng
, 
Yangrui Zhang

Yangrui Zhang

State Grid Hebei Marketing Services CenterShijiazhuang, China
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Zhang, Yangrui
, 
Hongying Wang

Hongying Wang

State Grid Hebei Marketing Services CenterShijiazhuang, China
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Wang, Hongying
, 
Yajie Zhang

Yajie Zhang

State Grid Xiongan New Area Electric Power Supply CompanyXiong’an, China
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Zhang, Yajie
 e 
Shaokang Feng

Shaokang Feng

State Grid Hebei Marketing Services CenterShijiazhuang, China
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Feng, Shaokang
  
19 mar 2025
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Pubblicato online: 19 mar 2025
Ricevuto: 16 nov 2024
Accettato: 19 feb 2025
DOI: https://doi.org/10.2478/amns-2025-0551
Parole chiave
© 2025 Junpeng Zhao et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

Specific workflow diagram for clearing data
Specific workflow diagram for clearing data

Figure 2.

The load prediction flow chart based on the improved transformer model
The load prediction flow chart based on the improved transformer model

Figure 3.

The distribution curve of 220 sample points
The distribution curve of 220 sample points

Figure 4.

Traditional rapid peak algorithm decision diagram
Traditional rapid peak algorithm decision diagram

Figure 5.

Improved fast density peak clustering algorithm decision diagram
Improved fast density peak clustering algorithm decision diagram

Figure 6.

Predictions of different models on public data sets 1
Predictions of different models on public data sets 1

Figure 7.

The results of different models on public data set 2
The results of different models on public data set 2

Figure 8.

Prediction of real data sets
Prediction of real data sets

Different models of the evaluation indicators on public data set 2

Model MAPE(%) RMSE(MW) MAE(MW) R2
LSTM 3.67 320.4859 235.0074 0.9397
BiLSTM-Attention 3.02 235.8231 171.6748 0.9762
Improve transformer 1.40 124.5055 84.5468 0.9963

Evaluation indicators of different models in public data sets 1

Model MAPE(%) RMSE(MW) MAE(MW) R2
LSTM 2.96 281.0886 183.2736 0.9542
BiLSTM-Attention 2.65 227.4795 161.2114 0.9701
Improve transformer 1.03 85.4571 62.3925 0.9984

Anomalous data distribution

Abnormal value label Date
5 2022/05
21 2019/12
63 2019/10
96 2019/07
108 2019/05
126 2021/09
143 2022/12
187 2023/10
202 2023/06

The results of different models in the real data set

Model MAPE(%) RMSE(MW) MAE(MW) R2
LSTM 5.23 683.7404 473.8774 0.9483
BiLSTM-Attention 4.57 596.3083 426.4559 0.9583
Improve transformer 4.15 496.1061 356.6518 0.9771
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Inglese
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Scienze biologiche, Scienze della vita, altro, Matematica, Matematica applicata, Matematica generale, Fisica, Fisica, altro
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