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DD IEC/TS 60815-3:2008

Current
Current

The latest, up-to-date edition.

Selection and dimensioning of high-voltage insulators intended for use in polluted conditions Polymer insulators for a.c. systems
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

06-30-2009

FOREWORD
1 Scope and object
2 Normative references
3 Terms, definitions and abbreviations
   3.1 Terms and definitions
   3.2 Abbreviations
4 Principles
5 Materials
   5.1 General information on common polymer housing
        materials
   5.2 Issues specific to polymer housing materials under
        pollution
        5.2.1 Reduction of creepage distance
        5.2.2 Extreme pollution
6 Site severity determination
7 Determination of the reference USCD
8 General recommendations for polymer profiles
9 Checking of profile parameters
   9.1 General remark
   9.2 Alternating sheds and shed overhang
   9.3 Spacing versus shed overhang
   9.4 Minimum distance between sheds
   9.5 Creepage distance versus clearance
   9.6 Shed angle
   9.7 Creepage factor
10 Correction of RUSCD
   10.1 Correction for altitude K[a]
   10.2 Correction for insulator diameter K[ad]
11 Determination of the final minimum creepage distance
12 Confirmation by testing
Annex A (informative) - Background information on pollution
        induced degradation of polymer
Bibliography

Describes the selection of polymer insulators for a.c. systems, and the determination of their relevant dimensions, to be used in high voltage systems with respect to pollution.

IEC/TS 60815-3:2008(E) is applicable to the selection of polymer insulators for a.c. systems, and the determination of their relevant dimensions, to be used in high voltage systems with respect to pollution. This part of IEC/TS 60815 gives specific guidelines and principles to arrive at an informed judgement on the probable behaviour of a given insulator in certain pollution environments.

Committee
PEL/36
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Current

Standards Relationship
IEC TS 60815-3:2008 Identical

IEC 60050-471:2007 International Electrotechnical Vocabulary (IEV) - Part 471: Insulators
IEC TS 62073:2016 Guidance on the measurement of hydrophobicity of insulator surfaces
IEC 60507:2013 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
IEC TS 60815-1:2008 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 1: Definitions, information and general principles
IEC TR 62039:2007 Selection guide for polymeric materials for outdoor use under HV stress

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