DIN EN 50180-1-2017 充液变压器用大于1 kV但可达52 kV和范围为250 A至3.15 kA的套管.第1部分:套管的通用要求;德国标准EN 50180-1-2015
Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers - Part 1: General requirements for bushings; German version EN 50180-1:2015