• Shopping Cart
    There are no items in your cart

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

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.


Dates of withdrawal of national standards are available from NSAI.

€70.00
Excluding VAT

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)

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.