NEN EN 50375 : 2002
Current
The latest, up-to-date edition.
TESTING METHODOLOGY FOR WIPERS USED IN ELECTRICAL INSULATING OIL
12-01-2013
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test methods
4.1 Fibre release test (refer to annex A)
4.2 Snagging test (refer to annex B)
4.3 Equilibrium moisture content (refer to annex C)
4.4 Oil absorbency (refer to annex D and annex E)
5 Test report
Annex A (normative) Fibre release from wipers
Annex B (normative) The snagging test
Annex C (normative) Equilibrium moisture content of
wipers
Annex D (normative) Oil absorbency of wipers
Annex E (normative) Rate of absorbency
Figures
Describes testing procedures for fibrous wipers to be used with equipment normally containing electrical insulating oil. Such testing is necessary to rank commercial products, so that possible contamination of insulating oil and electrical equipment with fibres during maintenance operations may be minimized.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 50375:2002 | Identical |
| NBN EN 50375 : 2003 | Identical |
| SN EN 50375 : 2002 | Identical |
| UNE-EN 50375:2004 | Identical |
| I.S. EN 50375:2002 | Identical |
| NF EN 50375 : 2002 | Identical |
| EN 50375:2002 | Identical |
| DIN EN 50375:2003-2 | Identical |
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