Expression of Concern: A fast and accurate calculation method of line breaking power flow based on taylor expansion

An expression of concern on Li S, Zhao X, Liang W, Hossain MT and Zhang Z (2022) A Fast and Accurate Calculation Method of Line Breaking Power Flow Based on Taylor Expansion. Front. Energy Res. 10:943946. doi: 10.3389/fenrg.2022.943946 With this notice, Frontiers states its awareness of concerns regarding the content of the article “A Fast and Accurate Calculation Method of Line Breaking Power Flow Based on Taylor Expansion” published on 14 July 2022. Our Research Integrity team will conduct an investigation in full accordance with our procedures. The situation will be updated as soon as the investigation is complete.