IEC 61251:2015 

Electrical insulating materials and systems - AC voltage endurance evaluation

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Abstract

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.

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Additional information

Publication typeInternational Standard
Publication date2015-11-18
Edition1.0
Available language(s)English/French
TC/SCTC 112 - Evaluation and qualification of electrical insulating materials and systemsrss
ICS17.220.99 - Other standards related to electricity and magnetism
29.035.01 - Insulating materials in general
Stability date  2023
Pages42
File size1353 KB

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