%0 Journal Article %T Utilization of dissipated heat of power transformers %A Hamler %A Anton %A Marusa %A Robert %A Pihler %A Jo£¿e %A Trbusic %A Mislav %J - %D 2019 %X Sa£¿etak The aim of the article is to provide the reader with the basic concept of the transformer¡¯s heat utilization where a proposed technical solution anticipates the installation of an additional oil-water heat exchanger (ODWF) in the transformer's cooling system. An increase in the transformer¡¯s cooling capacity lowers the oil temperature and reduces the transformer¡¯s loss of life expectancy. In order to estimate the transformer¡¯s oil temperature profile, as well as the heat power potential at the water side of the ODWF cooler, a numerical investigation was performed on the 150 MVA 220 / 115 kV transformer unit which operates in Podlog substation in Slovenia %K transformer %K cooling %K forced cooling %K heat loss %K loss of life expectancy %U https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=332259