BS 7821-3:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV Supplementary requirements for transformers with highest voltage for equipment equal to 36 kV
Hardcopy , PDF
31-07-2007
English
15-09-1995
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Committees responsible
National foreword
Foreword
1. General
2. Electrical characteristics
3. Design requirements
4. Dimensional characteristics
5. Accessories
Lays down requirements, for transformers, related to electrical characteristics, dimensions and design. Covers transformers from 50 to 2,500 kVA meant for operation in three-phase distribution networks, for indoor or outdoor continuous service, 50 Hz, immersed in mineral-oil, natural cooling, with two windings.
| Committee |
PEL/14
|
| DevelopmentNote |
Supersedes 92/29057 DC (10/2005)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| HD 428.3 : 200S1 | Identical |
| BS 7821-2.1:1995 | Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV. Distribution transformers with cable boxes on the high voltage and/or low voltage side General requirements |
| BS 171-1:1978 | Power transformers General |
| BS 7821-1:1995 | Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV General requirements and requirements for transformers with highest voltage for equipment not exceeding 24 kV |
| BS 171-3:1987 | Power transformers Specification for insulation levels and dielectric tests |
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