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Data-Driven Deep Convolutional Neural Networks for Electromagnetic Field Estimation of Dry-type Transformer

  • Yifan Chen
  • , Qingxin Yang
  • , Yongjian Li
  • , Hao Zhang
  • , Changgeng Zhang*
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper aims to estimate the electromagnetic field distribution in a simplified transformer through two-dimensional (2-D) finite element analysis. We create two datasets, namely the original dataset (OD) to simulate grayscale images and the new dataset (ND) which incorporates distinct physical properties of materials. These datasets are helpful to investigate the impact of different data types on deep learning. In order to enhance the accuracy of estimation, we compare the performances of two convolutional neural network (CNN) architectures: U-net and its improved version, U-Resnet (which incorporates residual blocks from ResNet). Additionally, we introduce a specialized loss function, Add-RMSE, which is better suited for dense regression problems, thus improving the prediction accuracy. The effectiveness of our proposed method is validated through test experiments, where we analyze the estimation results obtained.

Original languageEnglish
Title of host publication2023 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350301571
DOIs
StatePublished - 2023
Externally publishedYes
Event2023 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2023 - Tianjin, China
Duration: 27 Oct 202329 Oct 2023

Publication series

Name2023 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2023

Conference

Conference2023 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2023
Country/TerritoryChina
CityTianjin
Period27/10/2329/10/23

Keywords

  • CNN
  • Electromagnetic field distribution
  • FEM
  • ResNet
  • U-net

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