SN EN 50464-4 : 2007 AMD 1 2011
Current
The latest, up-to-date edition.
THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 KVA TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 4: REQUIREMENTS AND TESTS CONCERNING PRESSURISED CORRUGATED TANKS
12-01-2013
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.