BS 7821-6:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Requirements and tests concerning pressurized corrugated tanks
Hardcopy , PDF
31-08-2007
English
16-10-2002
1 Scope
2 Normative references
3 General conditions
3.1 Temperature variation
3.2 Sealing temperature
3.3 Calculation of the volume variation
4 Test procedure
4.1 General
4.2 Measurement of pressure range
4.3 Endurance test
4.4 Leakage test
4.5 Evaluation of the tests
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