97/203977 DC被替代
Hd 428.2.3 S1 Three-phase Oil-immersed Distribution Transformers 50 Hz, From 50 To 2 500 Kva With Highest Voltage For Equipment Not Exceeding 36 Kv - Part 2: Distribution Transformers With Cable Boxes On The High-voltage And/or Low-voltage Side - Section 3: Cable Boxes Type 2 For Use On Distribution Transformers Meeting The Requirements Of Hd 428.2.1 (bs 7821: Part 2: Section 1)
出版：British Standards Institution
专家解读视频
