BS 7821-2.1:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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
Hardcopy , PDF
31-08-2007
English
15-09-1995
Committees responsible
National foreword
Foreword
1. General
2. Definitions
3. Electrical characteristics
4. Design characteristics
5. Transformer requirements
6. Distance between bushings
7. Tests
Figures
1. Transformer with cable boxes, type 1 side mounted
2. Unit substation transformer, with cable boxes type 1
side mounted
3. Transformers with cable boxes, type 1 cover mounted
4. Cover mounted, air filled common HV/LV cable box
type 2
5. Unit substation transformers, cover mounted
6. Typical flange for flange box
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