%0 Journal Article %T Detection of open phase condition in power transformers %A Cruz %A S¨¦rgio %A Ferreira %A Marco %A Manzano Fern¨¢ndez %A Jorge %A Mena Bravo %A Jordi %A Tabernero Garc¨ªa %A Andr¨¦s %J - %D 2019 %X Sa£¿etak This article deals with open phase events in power transformers, mainly related to nuclear power plants where several cases have led to a global initiative for a prompt solution for this vulnerability. Different solutions are possible, and one of them, which has already been tested at a Spanish nuclear power plant, is presented here. Field test results are presented together with simulations %K power transformers %K transformer monitoring %K open phase operation %K nuclear power plants %U https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=319423