Guidance on the measurement of hydrophobicity of insulator surfaces

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

Language(s)

English

Published date

02-10-2016

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Terms and definitions
3 Methods for measurement of hydrophobic properties
Annex A (normative) - Guidelines regarding the
        applicability and comments on the limitations
        of the different methods described in this
        technical specification
Annex B (normative) - Method A - Contact angle method
Annex C (normative) - Method B - Surface tension method
Annex D (normative) - Method C - Spray method

IEC TS 62073:2016(E) specifies the measurement of the hydrophobicity of the shed and housing material of composite insulators for overhead lines, substations and equipment or ceramic insulators covered or not covered by a coating. The obtained value represents the hydrophobicity at the time of the measurement. The object of this technical specification is to describe three methods that can be used to determine the hydrophobicity of insulators. The determination of the ability of water to wet the surface of insulators may be useful to evaluate the condition of the surface of insulators in service, or as part of the insulator testing in the laboratory. This second edition cancels and replaces the first edition published in 2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) Changed wettability to hydrophobicity throughout the document
b) Redefined the criteria for the determination of hydrophobicity class in paragraph 3.4.

Committee	TC 36
DevelopmentNote	Stability date: 2018. (02/2016)
DocumentType	Technical Specification
Pages	20
PublisherName	International Electrotechnical Committee
Status	Current
Supersedes	IEC TS 62073:2003

Standards	Relationship
SA TS IEC 62073:2020	Identical
PD IEC/TS 62073:2016	Identical
VDE V 0674-276 : 2016	Identical
DIN IEC/TS 62073 : 2016	Identical
NEN NPR IEC/TS 62073 : 2003	Identical
SANS 62073 : 1ED 2006(R2015)	Identical
NEN NVN IEC/TS 62073 : 2003	Identical

CEI 36-43 : 2011	SELECTION AND DIMENSIONING OF HIGH-VOLTAGE INSULATORS INTENDED FOR USE IN POLLUTED CONDITIONS - PART 3: POLYMER INSULATORS FOR A.C. SYSTEMS
DD IEC/TS 60815-1:2008	Selection and dimensioning of high-voltage insulators intended for use in polluted conditions Definitions, information and general principles
CEI 36-41 : 2011	SELECTION AND DIMENSIONING OF HIGH-VOLTAGE INSULATORS INTENDED FOR USE IN POLLUTED CONDITIONS - PART 1: DEFINITIONS, INFORMATION AND GENERAL PRINCIPLES
IEC TS 60815-3:2008	Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 3: Polymer insulators for a.c. systems
PD IEC/TS 60815-4:2016	Selection and dimensioning of high-voltage insulators intended for use in polluted conditions Insulators for d.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
DD IEC/TS 60815-3:2008	Selection and dimensioning of high-voltage insulators intended for use in polluted conditions Polymer insulators for a.c. systems
IEC TS 60815-4:2016	Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 4: Insulators for d.c. systems

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IEC TS 62073:2016

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