This part of IEC 60076 is applicable to mineral-oil-immersed transformers. It describes the effect of operation under various ambient temperatures and load conditions on transformer life. NOTE For furnace transformers, the manufacturer is consulted in view of the peculiar loading profile.
IEC 60076-7:2018 Referenced Document
IEC 60076-14:2013 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
IEC 60076-7:2018 history
0000 IEC 60076-7:2018 RLV
2005IEC 60076-7:2005 Power transformers - Part 7: Loading guide for oil-immersed power transformers