Dielectric and resistive properties of solid insulating materials - Part 3-11: Determination of resistive properties (DC Methods) - Volume resistance and volume resistivity, method for impregnation and coating materials (IEC 62631-3-11:2018)

This part of IEC 62631 covers a method of test for the determination of volume resistance and
volume resistivity of electrical insulation materials by applying DC voltage. It covers the
materials described in IEC 60455-3-5, IEC 60464-3-1, IEC 60464-3-2 and similar products.

Dielektrische und resistive Eigenschaften fester Isolierstoffe - Teil 3-11: Bestimmung resistiver Eigenschaften (Gleichspannungsverfahren) - Durchgangswiderstand und spezifischer Durchgangswiderstand, Verfahren für Tränk- und Beschichtungsstoffe

Propriétés diélectriques et résistives des matériaux isolants solides - Partie 3-11: Détermination des propriétés résistives (méthodes en courant continu) - Résistance transversale et résistivité transversale, méthode pour les matériaux d'imprégnation et de revêtement (IEC 62631-3-11:2018)

L'IEC 62631-3-11:2018 couvre une méthode d'essai pour déterminer la résistance volumique et la résistivité volumique des matériaux isolants électriques par application d'une tension continue. Elle couvre les matériaux décrits dans l'IEC 60455-3-5, l'IEC 60464-3-1, l'IEC 60464-3-2 et des produits similaires.

Dielektrične in uporovne lastnosti trdnih izolacijskih materialov - 3-11. del: Ugotavljanje uporovnih lastnosti (metode z enosmernim tokom) - Prehodna upornost in specifična prehodna upornost - Metoda za impregnacijske in prekrivne snovi (IEC 62631-3-11:2018)

Ta del standarda IEC 62631 obravnava preskusno metodo za ugotavljanje prehodne upornosti in specifične prehodne upornosti elektroizolacijskih materialov z uporabo enosmernega toka. Zajema material opisan v standardih IEC 60455-3-5, IEC 60464-3-1, IEC 60464-3-2 in podobnih izdelkih.

General Information

Status
Published
Publication Date
12-Apr-2018
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
28-Mar-2018
Due Date
02-Jun-2018
Completion Date
13-Apr-2018

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SLOVENSKI STANDARD
SIST EN IEC 62631-3-11:2018
01-maj-2018
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Dielectric and resistive properties of solid insulating materials - Part 3-11: Determination

of resistive properties (DC Methods) - Volume resistance and volume resistivity, method

for impregnation and coating materials (IEC 62631-3-11:2018)

Propriétés diélectriques et résistives des matériaux isolants solides - Partie 3-11:

Détermination des propriétés résistives (méthodes en courant continu) - Résistance

transversale et résistivité transversale, méthode pour les matériaux d'imprégnation et de

revêtement (IEC 62631-3-11:2018)
Ta slovenski standard je istoveten z: EN IEC 62631-3-11:2018
ICS:
29.035.01 Izolacijski materiali na Insulating materials in
splošno general
SIST EN IEC 62631-3-11:2018 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 62631-3-11:2018
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SIST EN IEC 62631-3-11:2018
EUROPEAN STANDARD EN IEC 62631-3-11
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2018
ICS 17.220.99; 29.035.01
English Version
Dielectric and resistive properties of solid insulating materials -
Part 3-11: Determination of resistive properties (DC methods) -
Volume resistance and volume resistivity - Method for
impregnation and coating materials
(IEC 62631-3-11:2018)

Propriétés diélectriques et résistives des matériaux isolants Dielektrische und resistive Eigenschaften fester Isolierstoffe

solides - Partie 3-11: Détermination des propriétés - Teil 3-11: Bestimmung resistiver Eigenschaften

résistives (méthodes en courant continu) - Résistance (Gleichspannungsverfahren) - Durchgangswiderstand und

volumique et résistivité volumique - Méthode pour spezifischer Durchgangswiderstand - Verfahren für Tränk-

matériaux d'imprégnation et de revêtement und Beschichtungsstoffe
(IEC 62631-3-11:2018) (IEC 62631-3-11:2018)

This European Standard was approved by CENELEC on 2018-02-14. CENELEC members are bound to comply with the CEN/CENELEC

Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC

Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the

same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,

Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN IEC 62631-3-11:2018 E
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SIST EN IEC 62631-3-11:2018
EN IEC 62631-3-11:2018 (E)
European foreword

The text of document 112/409/FDIS, future edition 1 of IEC 62631-3-11, prepared by IEC/TC 112

"Evaluation and qualification of electrical insulating materials and systems" was submitted to the IEC-

CENELEC parallel vote and approved by CENELEC as EN IEC 62631-3-11:2018.
The following dates are fixed:
• latest date by which the document has to be (dop) 2018-11-14
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2021-02-14
• latest date by which the national
standards conflicting with the
document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice

The text of the International Standard IEC 62631-3-11:2018 was approved by CENELEC as a

European Standard without any modification.

In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 60455-3-5 NOTE Harmonized as EN 60455-3-5.
IEC 60464-3-1 NOTE Harmonized as EN 60464-3-1.
IEC 60464-3-2 NOTE Harmonized as EN 60464-3-2.
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SIST EN IEC 62631-3-11:2018
EN IEC 62631-3-11:2018 (E)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments)

applies.

NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:

www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 62631-3-1 - Dielectric and resistive properties of solid EN 62631-3-1 -
insulating materials - Part 3-1
Determination of resistive properties (DC
methods) - Volume resistance and volume
resistivity, general method
ISO 1514 - EN ISO 1514 -
ISO 2808 - Paints and varnishes_- Determination of EN ISO 2808 -
film thickness
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SIST EN IEC 62631-3-11:2018
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SIST EN IEC 62631-3-11:2018
IEC 62631-3-11
Edition 1.0 2018-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Dielectric and resistive properties of solid insulating materials –
Part 3-11: Determination of resistive properties (DC methods) – Volume
resistance and volume resistivity – Method for impregnation and coating
materials
Propriétés diélectriques et résistives des matériaux isolants solides –
Partie 3-11: Détermination des propriétés résistives (méthodes en courant
continu) – Résistance volumique et résistivité volumique – Méthode pour
matériaux d'imprégnation et de revêtement
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.99; 29.035.01 ISBN 978-2-8322-5184-3

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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SIST EN IEC 62631-3-11:2018
– 2 – IEC 62631-3-11:2018 © IEC 2018
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 5

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms and definitions ...................................................................................................... 6

4 Significance ..................................................................................................................... 7

5 Method of test ................................................................................................................. 7

5.1 General ................................................................................................................... 7

5.2 Power supply (voltage) ........................................................................................... 7

5.3 Equipment .............................................................................................................. 8

5.3.1 Accuracy ......................................................................................................... 8

5.3.2 Guarding ......................................................................................................... 8

5.3.3 Electrodes ....................................................................................................... 8

5.3.4 Calibration ....................................................................................................... 8

5.3.5 Test specimen ................................................................................................. 8

5.4 Procedure for volume resistivity as function of temperature .................................... 9

5.4.1 General ........................................................................................................... 9

5.4.2 Equipment ....................................................................................................... 9

5.4.3 Test set-up ...................................................................................................... 9

5.4.4 Procedure ........................................................................................................ 9

5.4.5 Calculation ...................................................................................................... 9

5.5 Procedure for volume resistivity after seven days of immersion in water ............... 10

5.5.1 General ......................................................................................................... 10

5.5.2 Equipment ..................................................................................................... 10

5.5.3 Test set-up .................................................................................................... 10

5.5.4 Procedure ...................................................................................................... 10

5.5.5 Calculation .................................................................................................... 10

6 Report ........................................................................................................................... 10

7 Repeatability and reproducibility .................................................................................... 11

Bibliography .......................................................................................................................... 12

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SIST EN IEC 62631-3-11:2018
IEC 62631-3-11:2018 © IEC 2018 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
DIELECTRIC AND RESISTIVE PROPERTIES
OF SOLID INSULATING MATERIALS –
Part 3-11: Determination of resistive properties (DC methods) –
Volume resistance and volume resistivity – Method for
impregnation and coating materials
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

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Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

in the subject dealt with may participate in this preparatory work. International, governmental and

non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates

closely with the International Organization for Standardization (ISO) in accordance with conditions determined

by agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

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4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 62631-3-11 has been prepared by IEC technical committee 112:

Evaluation and qualification of electrical insulating materials and systems.
The text of this standard is based on the following documents:
FDIS Report on voting
112/409/FDIS 112/415/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

A list of all parts in the IEC 62631 series, published under the general title Dielectric and

resistive properties of solid insulating materials, can be found on the IEC websi

...

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