AUTHOR=Chen Jun , Wang Yong , Kong Lingming , Chen Yilong , Chen Mianzhi , Cai Qian , Sheng Gehao TITLE=A novel method for power transformer fault diagnosis considering imbalanced data samples JOURNAL=Frontiers in Energy Research VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2024.1500548 DOI=10.3389/fenrg.2024.1500548 ISSN=2296-598X