Expression of Concern: Multilevel converter to access maximum power from distributed energy source based smart grids

Expression of Concern: Multilevel converter to access maximum power from distributed energy source based smart grids An expression of concern on: Khaled Alkhaledi, Khalid Mehmood Cheema*, Zakaria Elbarbary, Woo-Hyung Park and Ahmed M El-Sherbeeny “Multilevel converter to access maximum power from distributed energy source based smart grids” Front. Energy Res., 16 May 2023. https://doi.org/10.3389/fenrg.2023.1125461 With this notice, Frontiers states its awareness of concerns regarding the content of the article “Multilevel converter to access maximum power from distributed energy source based smart grids” published on 16 May 2023. 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.