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CENELEC
EN 60554-2:2002

EN 60554-2:2002

Current

Current

The latest, up-to-date edition.

Cellulosic papers for electrical purposes - Part 2: Methods of test

Published date

23-04-2002

Publisher

European Committee for Standards - Electrical

INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General notes an tests
5 Thickness
   5.1 Determination of the thickness of single sheets of
        paper (ISO 534)
   5.2 Determination of mean thickness of paper
6 Substance (mass per square metre, basic weight or grammage)
7 Apparent density
8 Tensile strength and elongation
9 Internal tearing resistance
10 Edge-tearing resistance
   10.1 Test apparatus
   10.2 Test pieces
   10.3 Procedure
   10.4 Results
11 Bursting strength
12 Folding endurance
   12.1 Test apparatus
   12.2 Test pieces
   12.3 Procedure
   12.4 Results
13 Moisture content
14 Ash content
15 Conductivity of aqueous extract
   15.1 Test apparatus
   15.2 Procedure
   15.3 Results
16 pH of aqueous extract
   16.1 Test apparatus
   16.2 Procedure
   16.3 Results
17 Chloride content of aqueous extract
   17.1 Method 1
   17.2 Method 2
18 Sulphate content
19 Conductivity of organic extract
   19.1 Test apparatus
   19.2 Procedure
   19.3 Results
20 Determination of sodium and potassium content flame atomic
   absorption spectrometric method
21 Air permeability
   21.1 Test apparatus
   21.2 Test pieces
   21.3 Procedure
   21.4 Results
22 Rate of water absorption (wicking)
   22.1 Principle
   22.2 Reagent
   22.3 Apparatus
   22.4 Conditioning
   22.5 Test pieces
   22.6 Procedure
   22.7 Results
   22.8 Test report
23 Oil absorption (modified Cobb method)
   23.1 Test apparatus
   23.2 Test pieces
   23.3 Procedure
   23.4 Results
24 Electric strength
   24.1 Test apparatus
   24.2 Test pieces
   24.3 Procedure
   24.4 Results
   24.5 Test method using d.c. voltage
25 Dissipation factor and permittivity of unimpregnated paper
   25.1 Test apparatus
   25.2 Test pieces
   25.3 Procedure
   25.4 Results
26 Conducting paths
   26.1 Method 1
   26.2 Method 2
27 Heat stability
   27.1 Internal tearing resistance
   27.2 Bursting strength
   27.3 Degree of polymerisation
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Applies to cellulosic papers for electrical purposes. It specifies the methods of test to be used in testing cellulosic papers for electrical purposes to meet the requirements prescribed in the specification sheet of EN 60554-3. In this standard, reference is made in several places to ISO standards accompanied by a short description of the method used. It is to be understood that this short description is meant for identification purposes only and that all details should be taken from the ISO standard itself.

Committee
CLC/SR 15
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

I.S. EN 60641-2:2004 SPECIFICATION FOR PRESSBOARD AND PRESSPAPER FOR ELECTRICAL PURPOSES - METHODS OF TEST
BS EN 60371-3-2:2006 Insulating materials based on mica Specifications for individual materials - Mica paper
CEI EN 60371-3-2 : 2006 INSULATING MATERIALS BASED ON MICA - PART 3: SPECIFICATIONS FOR INDIVIDUAL MATERIALS - SHEET 2: MICA PAPER
I.S. EN 60371-3-2:2006 INSULATING MATERIALS BASED ON MICA - PART 3: SPECIFICATIONS FOR INDIVIDUAL MATERIALS - SHEET 2: MICA PAPER
CEI EN 60641-2 : 2005 PRESSBOARD AND PRESSPAPER FOR ELECTRICAL PURPOSES - PART 2: METHODS OF TEST
EN 60371-3-2:2006/corrigendum:2006 INSULATING MATERIALS BASED ON MICA - PART 3: SPECIFICATIONS FOR INDIVIDUAL MATERIALS - SHEET 2: MICA PAPER
EN 60641-2:2004 Pressboard and presspaper for electrical purposes - Part 2: Methods of tests

IEC 60243-1:2013 Electric strength of insulating materials - Test methods - Part 1: Tests at power frequencies
ISO 1974:2012 Paper — Determination of tearing resistance — Elmendorf method
IEC 60250:1969 Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths
ISO 1924-1:1992 Paper and board Determination of tensile properties Part 1: Constant rate of loading method
IEC 60450:2004+AMD1:2007 CSV Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulating materials
ISO 2758:2014 Paper Determination of bursting strength
ISO 9964-3:1993 Water quality Determination of sodium and potassium Part 3: Determination of sodium and potassium by flame emission spectrometry
IEC 60296:2012 RLV Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
ISO 2144:2015 Paper, board and pulps Determination of residue (ash) on ignition at 900 degrees C
ISO 1924-2:2008 Paper and board — Determination of tensile properties — Part 2: Constant rate of elongation method (20 mm/min)
ISO 536:2012 Paper and board Determination of grammage
ISO 287:2017 Paper and board — Determination of moisture content of a lot — Oven-drying method
ISO 534:2011 Paper and board — Determination of thickness, density and specific volume
IEC 60247:2004 Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity
ISO 535:2014 Paper and board — Determination of water absorptiveness — Cobb method

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