DD IEC/TS 61251:2008 - Electrical insulating materials. A.C. voltage endurance evaluation. Introduction

DD IEC/TS 61251:2008

Electrical insulating materials. A.C. voltage endurance evaluation. Introduction

Status : Superseded, Withdrawn   Published : June 2008 Replaced By : BS EN 61251:2016

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IEC/TS 61251:2008(E) explains 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 a.c. voltage endurance of insulating materials and systems from the results of the tests. The terminology to be used in voltage endurance is defined and explained. It should be emphasized that where this technical specification is concerned with materials, the results may not be directly applicable to the performance of insulating systems. Voltage endurance tests are used to compare and evaluate insulating materials with regard to their various applications in electrical systems. Determining the ability of electrical insulating materials and systems to endure a.c. voltage stress is complex. The results of voltage endurance tests are influenced by many factors so this technical specification should only be considered as an attempt to present a unified view of voltage endurance for simplified planning and analysis. Some documents for the various practical cases exist and others are being developed. The main changes with respect to the previous edition are listed below:


- extension of the scope to cover electrical insulating material and insulation systems;


- removal of references to short time dielectric breakdown strength measurements as an indicator of voltage endurance.




Standard NumberDD IEC/TS 61251:2008
TitleElectrical insulating materials. A.C. voltage endurance evaluation. Introduction
StatusSuperseded, Withdrawn
Publication Date30 June 2008
Withdrawn Date31 March 2016
Normative References(Required to achieve compliance to this standard)IEC 60243, IEC 62539, IEEE 930:2004
Informative References(Provided for Information)IEC 60343
Replaced ByBS EN 61251:2016
ReplacesBS 7808:1995, IEC 61251:1993
International RelationshipsIEC/TS 61251:2008
Draft Superseded By07/30165514 DC
DescriptorsSolid electrical insulating materials, Electrical insulating materials, Electrical testing, Endurance testing, Alternating current, Dielectric-strength tests
ICS17.220.99
29.035.01
Title in FrenchMatériaux isolants électriques. Evaluation de l'endurance à la tension alternative. Introduction
Title in GermanElektroisolierstoffe. Bewertung des Langzeitverhaltens unter Einfluß von Wechselspannung; Einführung
CommitteeGEL/112
ISBN978 0 580 58885 3
PublisherBSI
FormatA4
DeliveryNo
Pages20
File Size1.362 MB
Price£130.00


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