NEN 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
Describes test procedures to verify the mechanical withstand capability of the corrugated tanks of completely oil filled and hermetically sealed distribution transformers.
| DevelopmentNote |
Supersedes NEN HD 428-6. (06/2007)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| BS EN 50464-4 : 2007 | Identical |
| I.S. EN 50464-4:2007 | Identical |
| DIN EN 50464-4 : 2007 AMD 1 2012 | Identical |
| EN 50464-4 : 2007 AMD 1 2011 | Identical |
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.