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IEC 61251:2015

Current

Current

The latest, up-to-date edition.

Electrical insulating materials and systems - AC voltage endurance evaluation

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French

Published date

18-11-2015

€155.95
Excluding VAT

IEC 61251:2015 describes many of the factors involved in voltage endurance tests on electrical insulating materials and systems. It describes the voltage endurance graph, lists test methods illustrating their limitations and gives guidance for evaluating the sinusoidal a.c. voltage endurance of insulating materials and systems from the results of the tests. This International Standard is applicable over the voltage frequency range 20 Hz to 1 000 Hz. The general principles can also be applicable to other voltage shapes, including impulse voltages. The terminology to be used in voltage endurance is defined and explained. This first edition of IEC 61251 cancels and replaces the second edition of IEC TS 61251, published in 2008. This edition constitutes a technical revision and includes the following significant technical changes with respect to the second edition of IEC TS 61251:
a) upgrade from Technical Specification to an International Standard;
b) clarification of issues raised since publication of IEC TS 61251.

Committee
TC 112
DevelopmentNote
Supersedes IEC TS 61251. Stability date: 2020. (11/2015)
DocumentType
Standard
Pages
42
PublisherName
International Electrotechnical Committee
Status
Current
Supersedes

Standards Relationship
NF EN 61251 : 2016 Identical
NBN EN 61251 : 2016 Identical
NEN EN IEC 61251 : 2016 Identical
PN EN 61251 : 2016 Identical
SN EN 61251:2016 Identical
DIN EN 61251 : 2016 Identical
VDE 0303-251 : 2016 Identical
UNE-EN 61251:2016 Identical
BS EN 61251:2016 Identical
CEI EN 61251 : 2016 Identical
EN 61251:2016 Identical
PNE-FprEN 61251 Identical

08/30184583 DC : DRAFT JUNE 2008 BS IEC/TS 60034-18-32 - ROTATING ELECTRICAL MACHINES - PART 18-32: FUNCTIONAL EVALUATION OF INSULATION SYSTEMS - TEST PROCEDURES FOR FORM-WOUND WINDINGS - ELECTRICAL EVALUATION OF INSULATION SYSTEMS USED IN ROTATING ELECTRICAL MACHINES
EN 60034-18-32:2010 Rotating electrical machines - Part 18-32: Functional evaluation of insulation systems - Test procedures for form-wound windings - Evaluation by electrical endurance
CEI EN 60034-18-32 : 2011 ROTATING ELECTRICAL MACHINES - PART 18-32: FUNCTIONAL EVALUATION OF INSULATION SYSTEMS - TEST PROCEDURES FOR FORM-WOUND WINDINGS - EVALUATION OF ELECTRICAL ENDURANCE
I.S. EN 60034-18-32:2010 ROTATING ELECTRICAL MACHINES - PART 18-32: FUNCTIONAL EVALUATION OF INSULATION SYSTEMS - TEST PROCEDURES FOR FORM-WOUND WINDINGS - EVALUATION BY ELECTRICAL ENDURANCE
IEEE DRAFT 434 : D10 2006 FUNCTIONAL EVALUATION OF INSULATION SYSTEMS FOR AC ELECTRIC MACHINES RATED 2300 V AND ABOVE
IEEE 434-2006 IEEE Guide for Functional Evaluation of Insulation Systems for AC Electric Machines Rated 2300 V and Above
IEC 60034-18-32:2010 Rotating electrical machines - Part 18-32: Functional evaluation of insulation systems - Test procedures for form-wound windings - Evaluation by electrical endurance
09/30198417 DC : DRAFT JAN 2009 BS EN 60505 - EVALUATION AND QUALIFICATION OF ELECTRICAL INSULATION SYSTEMS
BS EN 60034-18-32:2010 Rotating electrical machines Functional evaluation of insulation systems. Test procedures for form-wound windings. Evaluation by electrical endurance
SAE AIR7374:2024 Aging Mechanisms of Electrical Insulation Materials in a High Energy System

IEC 60243-1:2013 Electric strength of insulating materials - Test methods - Part 1: Tests at power frequencies
IEC 61649:2008 Weibull analysis
IEC 60343:1991 Recommended test methods for determining the relative resistance of insulating materials to breakdown by surface discharges
IEC 60243-3:2013 Electric strength of insulating materials - Test methods - Part 3: Additional requirements for 1,2/50 µs impulse tests
IEC 60243-2:2013 Electric strength of insulating materials - Test methods - Part 2: Additional requirements for tests using direct voltage
IEC 62539:2007 Guide for the statistical analysis of electrical insulation breakdown data

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