BS EN 61858-2:2014
Current
The latest, up-to-date edition.
Electrical insulation systems. Thermal evaluation of modifications to an established electrical insulation system (EIS) Form-wound EIS
Hardcopy , PDF
English
30-06-2014
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General considerations
5 Substitution of phase insulation and/or
ground insulation
6 Substitution of winding wire
7 Substitution of impregnating resin/varnish
8 Evaluation of additions
9 Procedure C - Single-point thermal ageing test
10 Full thermal aging test (procedure D)
Annex A (normative) - Classes of winding wire
Annex B informative) - Visual representation of form-
wound coil manufacturing process
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
Defines the required test procedures for qualification of modifications of an established electrical insulation system (EIS) with respect to its thermal classification.
| Committee |
GEL/112
|
| DevelopmentNote |
2014 version incorporates corrigendum to BS IEC 61858-2. Renumbers and supersedes BS IEC 61858-2. (06/2014)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of IEC 61858 lists the required test procedures for qualification of modifications of an established electrical insulation system (EIS) with respect to its thermal classification. This standard is applicable to EIS used in form-wound electrotechnical devices. The test procedures are comparative in that the performance of a candidate EIS is compared to that of a reference EIS, which has proven service experience in accordance with IEC 60505 or has been evaluated by one of the procedures given in IEC 60085 and IEC 60034-18-31.
| Standards | Relationship |
| IEC 61858-2:2014 | Identical |
| EN 61858-2:2014 | Identical |
| I.S. EN 61858-2:2014 | Equivalent |
| DIN EN 61858-2:2014-11 | Equivalent |
| UNE-EN 61858-2:2014 | Equivalent |
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