Power Generation Technology ›› 2023, Vol. 44 ›› Issue (6): 889-895.DOI: 10.12096/j.2096-4528.pgt.23013
• Smart Grid • Previous Articles Next Articles
Yu FENG1, Youbin SONG1, Sheng JIN1, Jiahuan FENG1, Xuechen SHI1, Yongjie YU2, Xianchao HUANG3
Received:
2023-03-09
Published:
2023-12-31
Online:
2023-12-28
Supported by:
CLC Number:
Yu FENG, Youbin SONG, Sheng JIN, Jiahuan FENG, Xuechen SHI, Yongjie YU, Xianchao HUANG. Improved Deep Learning Model for Forecasting Short-Term Load Based on Random Forest Algorithm and Rough Set Theory[J]. Power Generation Technology, 2023, 44(6): 889-895.
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URL: https://www.pgtjournal.com/EN/10.12096/j.2096-4528.pgt.23013
影响因素 | 特征量 | 含义 |
---|---|---|
时间 因素 | 月 | 1—12月 |
日 | 每月的具体日期 | |
工作日 | 正常上班,取值1 | |
节假日 | 周六日及其他节假日,取值0 | |
当日小时 | 00:00—24:00 | |
天气 因素 | 最高温度 | 当日最高温度,℃ |
最低温度 | 当日最低温度,℃ | |
平均温度 | 当日平均温度,℃ | |
平均相对湿度 | 当日平均湿度,% | |
天气条件 | 如晴、阴、雨、雪等 | |
空气质量 | 空气质量指数 | |
平均风速 | 当日平均风速,m/s | |
日出时间 | 具体时刻 | |
日落时间 | 具体时刻 | |
政策因素 | 是否封控 | 受疫情、天灾影响时取1,反之取0 |
Tab. 1 Prediction characteristic variables
影响因素 | 特征量 | 含义 |
---|---|---|
时间 因素 | 月 | 1—12月 |
日 | 每月的具体日期 | |
工作日 | 正常上班,取值1 | |
节假日 | 周六日及其他节假日,取值0 | |
当日小时 | 00:00—24:00 | |
天气 因素 | 最高温度 | 当日最高温度,℃ |
最低温度 | 当日最低温度,℃ | |
平均温度 | 当日平均温度,℃ | |
平均相对湿度 | 当日平均湿度,% | |
天气条件 | 如晴、阴、雨、雪等 | |
空气质量 | 空气质量指数 | |
平均风速 | 当日平均风速,m/s | |
日出时间 | 具体时刻 | |
日落时间 | 具体时刻 | |
政策因素 | 是否封控 | 受疫情、天灾影响时取1,反之取0 |
模型 | DL训练时间/s | MSE/MW2 | MAE/% |
---|---|---|---|
RF-DL-RST | 96.29 | 680.33 | 4.01 |
RF-DL | 96.29 | 974.65 | 5.77 |
DL-RST | 107.21 | 865.84 | 4.73 |
Tab. 2 Index comparison of three models
模型 | DL训练时间/s | MSE/MW2 | MAE/% |
---|---|---|---|
RF-DL-RST | 96.29 | 680.33 | 4.01 |
RF-DL | 96.29 | 974.65 | 5.77 |
DL-RST | 107.21 | 865.84 | 4.73 |
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