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Short-Term Load Forecasting Based on Tensor Low-Rank Completion Algorithm in Extreme Weather
FENG Jiahuan,SHI Xuechen,ZHANG Yun,HU Tao,FENG Yu,HONG Chenwei,HONG Yi,WU Yuetao
Distributed Energy ›› 2024, Vol. 9 ›› Issue (4) : 51-59.
PDF(9746 KB)
PDF(9746 KB)
Short-Term Load Forecasting Based on Tensor Low-Rank Completion Algorithm in Extreme Weather
Efficient and accurate short-term power load forecasting is very important to improve the economic operation of the new power system. In view of the characteristics of less load forecasting data and strong randomness in extreme weather scenarios, a short-term load forecasting model based on the tensor low-rank completion algorithm is proposed, and extreme high temperature scenarios are selected for the research. First, the definition of extreme weather is given and data screening is performed based on the improved heat index and temperature. Then, a tensor-based load data completion model is proposed to complete the missing data. The input features are selected by Pearson correlation analysis, and the short-term load forecasting model based on long and short time memory (LSTM) network and rough set theory (RST) is constructed. Finally, the actual load data in Suzhou is used for verification, and the simulation results show that the proposed short-term forecasting method has high accuracy.
extreme weather / high temperature scenario / heat index / short-term load forecasting / tensor low-rank completion / long short term memory (LSTM) network / rough set theory (RST)
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