Details Details PDF BIBTEX RIS Title Transformer fault diagnosis method based on multilevel acoustic information Journal title Archives of Electrical Engineering Yearbook Early access Authors Li, Xuan ; Wu, Peng ; Shao, Jian ; Liang, Jiabi ; Li, Qun ; Lu, Yuncai ; Wang, Tonglei Affiliation Li, Xuan : State Grid Jiangsu Electric Power Research Institute Nanjing, 430000, China ; Wu, Peng : State Grid Jiangsu Electric Power Research Institute Nanjing, 430000, China ; Shao, Jian : State Grid Jiangsu Electric Power Research Institute Nanjing, 430000, China ; Liang, Jiabi : State Grid Jiangsu Electric Power Research Institute Nanjing, 430000, China ; Li, Qun : State Grid Jiangsu Electric Power Research Institute Nanjing, 430000, China ; Lu, Yuncai : State Grid Jiangsu Electric Power Research Institute Nanjing, 430000, China ; Wang, Tonglei : State Grid Jiangsu Electric Power Research Institute Nanjing, 430000, China Keywords acoustic features ; CNN-BiLSTM-Transformer ; fault diagnosis ; Mel spectrogram ; MFCCs ; multimodal fusion Divisions of PAS Nauki Techniczne Coverage 1-19 Publisher Polish Academy of Sciences Date 12.01.2026 Type Article Identifier DOI: 10.24425/aee.2026.156800 <div class="test"></div>