AUTHOR= TITLE=Expression of Concern: A fast and accurate calculation method of line breaking power flow based on taylor expansion JOURNAL=Frontiers in Energy Research VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2024.1548165 DOI=10.3389/fenrg.2024.1548165 ISSN=2296-598X