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CEI EN 61857-21 : 2012

CEI EN 61857-21 : 2012

Current

Current

The latest, up-to-date edition.

ELECTRICAL INSULATION SYSTEMS - PROCEDURES FOR THERMAL EVALUATION - PART 21: SPECIFIC REQUIREMENTS FOR GENERAL-PURPOSE MODELS - WIRE-WOUND APPLICATIONS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2012

Publisher

Comitato Elettrotecnico Italiano

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Construction
5 Number of test objects
6 Test procedure
7 End-of-life criterion
8 Analysing, reporting and classification
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Defines a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound electrical insulation systems (EIS) where specific electrotechnical products are not available or required.

Committee
CT 15/112
DevelopmentNote
Classificazione CEI 15-175 (08/2001) Supersedes CEI EN 61857-23. (07/2005)
DocumentType
Standard
Pages
24
PublisherName
Comitato Elettrotecnico Italiano
Status
Current
Supersedes

Standards Relationship
EN 61857-21:2009 Identical
IEC 61857-21:2009 Identical

IEC 60050-195:1998 International Electrotechnical Vocabulary (IEV) - Part 195: Earthing and protection against electric shock
IEC 60505:2011 Evaluation and qualification of electrical insulation systems
IEC 61857-1:2008 Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage
EN 60505:2011/AC:2017-03 EVALUATION AND QUALIFICATION OF ELECTRICAL INSULATION SYSTEMS (IEC 60505:2011/COR1:2017)
EN 61857-1:2009 Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage

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Hardcopy - English
PDF - English
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