Historical
IEC 60146-1-3 Ed. 3.0 b:1991
Semiconductor convertors - General requirements and line commutated convertors - Part 1-3: Transformers and reactors
Specifies characteristics wherein convertor transformers differ from ordinary power transformers. In all other respects, the rules specified in IEC 60076 shall apply.
International Electrotechnical Commission [iec]