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BS EN IEC 62631-2-3:2024

BS EN IEC 62631-2-3:2024

$142.49

Dielectric and resistive properties of solid insulating materials – Relative permittivity and dissipation factor. Contact electrode method for insulating films. AC methods

Published By Publication Date Number of Pages
BSI 2024 32
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IEC 62631-2-3:2024 specifies the measuring technology and the test method for the relative permittivity and dielectric dissipation factor of thin single layer insulating polymer film without any additional metallization on the sample surface. The adaptive thickness range is approximately 10 μm to 100 μm. The proposed frequency is the power frequency (50 Hz or 60 Hz), and it is also suitable in the technical frequency range from 1 Hz to 1 MHz.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
6 English
CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and symbols
3.1 Terms and definitions
13 3.2 Abbreviated terms and symbols
14 4 Principle of method
4.1 Principle of measurement
15 4.2 Edge effect of electrodes
5 Electrodes
5.1 Design and manufacture of electrodes
16 Figures
Figure 1 – Diagram of the three-electrode system
Table 1 – Dimensional parameters of the three-electrode system and the relationship between the measured εx for the thickness of sample and the measured capacitance
17 5.2 Edge effect of the measuring electrode
6 Samples
7 Measuring voltage
8 Environmental conditions for measurements
18 9 Measurement of thickness for films
10 Measurement procedure
11 Report
12 Repeatability, reproducibility and replicability
19 Annex A (normative)Correction method of measured permittivity and dielectric dissipation factor for a sample with scabrous surfaces
A.1 General
A.2 Physical model
Figure A.1 – Schematic diagram of the profile including scabrous surfaces of sample and polished flat electrodes, with the density thickness and apparent thickness (mechanical thickness)
Figure A.2 – Physical model of the scabrous surfacesof the sample and polished flat electrodes
20 A.3 Relationship between the measured permittivity and the real permittivity
Figure A.3 – Equivalent circuits with the sample, the gap and the electrodes
25 A.4 Relationship between the measured dielectric dissipation factor and the real dielectric dissipation factor
Figure A.4 – Relationship between the measured permittivity,the real permittivity, the void ratio and the contact ratio
29 A.5 Method of correction for the sample with scabrous surfaces
Figure A.5 – Relationship between the measured dielectric dissipation factor, the real dielectric dissipation factor, the void ratio and the contact ratio
30 Annex B (informative)Suggestions for the manufacture of electrodes
B.1 General
B.2 Materials
B.3 Manufacture of electrodes
B.4 Evaluation methods of flatness and roughness
B.5 Resistance of the measuring electrode system
31 Bibliography

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BS EN IEC 62631-2-3:2024
$142.49