UNE 21428-1:2004
Superseded
Three-phase oil-immersed distribution transformers 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements.
Hardcopy , PDF
06-25-2004
01-01-2008
This standard improves requirements for lower transformers losses and better energy efficiency distribution according to Kyoto protocol spirit.
| Committee |
CTN 207/SC 14
|
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Superseded
|
| Standards | Relationship |
| HD 428.1 S1:1992/A1:1995 | Identical |
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