IEC 61251:2015
Current
The latest, up-to-date edition.
Electrical insulating materials and systems - AC voltage endurance evaluation
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English - French
11-18-2015
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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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