“…In the last five years, neural networks have been widely used in substation equipment temperature prediction, such as back propagation neural network ( Liu, 2012 ), radial basis function neural network ( Wang et al, 2015 ), generalized regression neural network ( Kong & Zhang, 2016 ), adaptive neural network ( Wang, 2015 ), neural network optimized by swarm intelligence algorithm ( Xu, Hao & Zheng, 2020 ), support vector machine (SVM) and a series of other machine learning methods ( Zhang et al, 2020 ). In the past three years, deep learning networks have made breakthrough, such as pedestrian trajectoryprediction ( Esfahani, Song & Christensen, 2020 ), PM2.5 prediction ( Mohammadshirazi et al, 2022 ), traffic speed prediction ( Zheng, Chai & Katos, 2022 ), estimation of residual capacity for lithium-ion battery ( Hou et al, 2022 ) and so on ( Xu, Lin & Zhu, 2020 ). In 2021, Hou et al (2021b) solved the problem of temperature prediction of switchgear equipment in substation by using long short-term memory (LSTM) network, and achieved good results, which opens the prelude of solving the problem of substation equipment temperature prediction with deep learning network.…”