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I.S. EN 61857-1:2009

I.S. EN 61857-1:2009

Current

Current

The latest, up-to-date edition.

ELECTRICAL INSULATION SYSTEMS - PROCEDURES FOR THERMAL EVALUATION - PART 1: GENERAL REQUIREMENTS - LOW-VOLTAGE

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2009

Publisher

National Standards Authority of Ireland

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General information
  4.1 Overview of test procedure
  4.2 Basis of evaluation and qualification
  4.3 Specific requirements
5 Test objects
  5.1 General
  5.2 Description
  5.3 Number of test objects
6 Test procedures
  6.1 General
  6.2 Initial screening tests
  6.3 Thermal ageing
  6.4 Prediagnostic mechanical stress
  6.5 Other prediagnostic conditioning
  6.6 Moisture exposure
  6.7 Dielectric diagnostic tests
  6.8 Other diagnostic tests
7 Analyzing, reporting and classification
  7.1 End-point criterion
  7.2 Method of determining life
  7.3 Extrapolation of data
  7.4 Report of results
Bibliography
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Specifies a general test procedure for the thermal evaluation and qualification of electrical insulation systems (EIS) and establishes a procedure that compares the performance of a candidate EIS to that of a reference EIS.

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
41
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
UNE-EN 61857-1:2009 Identical
NF EN 61857-1 : 2009 Identical
SN EN 61857-1 : 1999 Identical
IEC 61857-1:2008 Identical
EN 61857-1:2009 Identical
DIN EN 61857-1 : 2009 Identical
NBN EN 61857-1 : 2009 Identical
BS EN 61857-1:2009 Identical

EN 60085:2008 Electrical insulation - Thermal evaluation and designation
IEC 60216-4-1:2006 Electrical insulating materials - Thermal endurance properties - Part 4-1: Ageing ovens - Single-chamber ovens
IEC 60493-1:2011 Guide for the statistical analysis of ageing test data - Part 1: Methods based on mean values of normally distributed test results
IEC 60611:1978 Guide for the preparation of test procedures for evaluating the thermal endurance of electrical insulation systems
IEC 60505:2011 Evaluation and qualification of electrical insulation systems
IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
IEC 60034-18-1:2010 Rotating electrical machines - Part 18-1: Functional evaluation of insulation systems - General guidelines
IEC 62114:2001 Electrical Insulation Systems - Thermal classification
EN 60216-5:2008 Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative thermal endurance index (RTE) of an insulating material
IEC 60034-18-21:2012 Rotating electrical machines - Part 18-21: Functional evaluation of insulation systems - Test procedures for wire-wound windings - Thermal evaluation and classification
IEC 60034-18-31:2012 Rotating electrical machines - Part 18-31: Functional evaluation of insulation systems - Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in rotating machines
EN 60216-4-1:2006 Electrical insulating materials - Thermal endurance properties - Part 4-1: Ageing ovens - Single-chamber ovens
IEC 60216-5:2008 Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative thermal endurance index (RTE) of an insulating material
EN 60505:2011/AC:2017-03 EVALUATION AND QUALIFICATION OF ELECTRICAL INSULATION SYSTEMS (IEC 60505:2011/COR1:2017)

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