I.S. EN 61857-22:2008
Current
The latest, up-to-date edition.
ELECTRICAL INSULATION SYSTEMS - PROCEDURES FOR THERMAL EVALUATION - PART 22: SPECIFIC REQUIREMENTS FOR ENCAPSULATED-COIL MODEL - WIRE-WOUND ELECTRICAL INSULATION SYSTEM (EIS)
Hardcopy , PDF
English
01-01-2008
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Construction
4.1 General information
4.2 ECM components
4.3 Assembly of the ECM
4.4 Similarity of reference and candidate ECM
5 Number of test objects
6 Test procedure
6.1 General
6.2 Initial screening test
6.2.1 General
6.2.2 Initial dielectric test
6.3 Thermal endurance test
6.3.1 Endurance test cycle
6.3.2 Thermal ageing
6.3.3 Mechanical stress
6.3.4 Thermal shock
6.3.5 Moisture exposure
6.3.6 Dielectric diagnostic test
7 End-of-life criterion
8 Analysing, reporting and classification
Annex A (informative) Similarity of reference and
candidate specimens
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
Provides a general-purpose procedure for the evaluation of wire-wound systems using a general purpose encapsulated-coil model (ECM) where the application is unknown.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| UNE-EN 61857-22:2009 | Identical |
| BS EN 61857-22:2008 | Identical |
| IEC 61857-22:2008 | Identical |
| NBN EN 61857-22 : 2009 | Identical |
| NF EN 61857-22 : 2009 | Identical |
| DIN EN 61857-22 : 2009 | Identical |
| EN 61857-22:2008 | Identical |
| IEC 60050-195:1998 | International Electrotechnical Vocabulary (IEV) - Part 195: Earthing and protection against electric shock |
| IEC 61857-1:2008 | Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage |
| EN 61857-1:2009 | Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage |
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