AUTHOR=Heng Qian , Ni Qi , Wang Biao , Ding Yi , Sun Meng , Ding Yang TITLE=High-temperature partial discharge characteristics of power module packaging insulation under square pulses based on multispectral optical detection method JOURNAL=Frontiers in Energy Research VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2025.1580823 DOI=10.3389/fenrg.2025.1580823 ISSN=2296-598X