I.S. HD 428-6:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 KVA TO 2,500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 6: REQUIREMENTS AND TESTS CONCERNING PRESSURISED CORRUGATED TANKS
Hardcopy , PDF
09-05-2007
English
01-01-2002
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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