CEI EN 61857-21:1999
Superseded
Superseded
View Superseded by
Electrical insulation systems - Procedures for assessing resistance to thermal stressPart 21: Specific requirements for the general design - Application to windings
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
11-01-1999
Publisher
Superseded date
10-06-2025
Superseded by
Excluding Tax where applicable
Summarise this standard
AI-generated summary
This standard contains a general test procedure for evaluating the thermal stress resistance of windings.
| Committee |
CT 15/112
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| IEC 61857-21:1998 | Identical |
| EN 61857-21:2004 | Identical |