Nuclear power plants - Instrumentation and control important to safety - Electrical equipment condition monitoring methods - Part 3: Elongation at break

IEC/IEEE 62582-3:2012 contains methods for condition monitoring of organic and polymeric materials in instrumentation and control systems using tensile elongation techniques in the detail necessary to produce accurate and reproducible measurements. It includes the requirements for selection of samples, the measurement system and conditions, and the reporting of the measurement results.

Centrales nucléaires de puissance - Instrumentation et contrôle-commande importants pour la sûreté - Méthodes pour la surveillance de l'état des matériels électriques - Partie 3: Allongement à la rupture

La CEI/IEEE 62582-3:2012 présente des méthodes de surveillance d'état de matériaux organiques et de polymères des systèmes d'instrumentation et de contrôle-commande en utilisant des techniques d'allongement par traction, de façon suffisamment détaillée pour obtenir des mesures reproductibles et précises. Elle comprend des exigences concernant la sélection d'échantillons, les systèmes de mesure et les conditions de mesure, ainsi que les rapports des résultats de mesure.

General Information

Status
Published
Publication Date
11-Dec-2012
Current Stage
PPUB - Publication issued
Start Date
15-Nov-2012
Completion Date
12-Dec-2012
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IEC/IEEE 62582-3:2012 - Nuclear power plants - Instrumentation and control important to safety - Electrical equipment condition monitoring methods - Part 3: Elongation at break
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IEC/IEEE 62582-3
Edition 1.0 2012-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Nuclear power plants – Instrumentation and control important to safety –
Electrical equipment condition monitoring methods –
Part 3: Elongation at break
Centrales nucléaires de puissance – Instrumentation et contrôle-commande
importants pour la sûreté – Méthodes de surveillance de l’état des matériels
électriques –
Partie 3: Allongement à la rupture

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IEC/IEEE 62582-3
Edition 1.0 2012-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Nuclear power plants – Instrumentation and control important to safety –

Electrical equipment condition monitoring methods –

Part 3: Elongation at break
Centrales nucléaires de puissance – Instrumentation et contrôle-commande

importants pour la sûreté – Méthodes de surveillance de l’état des matériels

électriques –
Partie 3: Allongement à la rupture

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX T
ICS 27.120.20 ISBN 978-2-83220-424-5

– 2 – 62582-3 © IEC/IEEE:2012
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope and object . 8
2 Terms and definitions . 8
3 General description . 9
4 Applicability and reproducibility . 9
5 Measurement procedure . 9
5.1 Stabilisation of the polymeric materials . 9
5.2 Sampling . 9
5.2.1 General . 9
5.2.2 Sample requirements . 10
5.3 Specimen preparation . 10
5.3.1 General . 10
5.3.2 Dumb-bell specimens . 11
5.3.3 Tubular specimens . 11
5.3.4 O-ring specimens . 11
5.4 Instrumentation . 11
5.4.1 Tensile test machine . 11
5.4.2 Calibration . 11
5.4.3 Use of extensometers . 11
5.5 Tensile elongation measurement method. 12
5.5.1 Conditioning . 12
5.5.2 Dimensions of test specimens . 12
5.5.3 Clamping . 12
5.5.4 Testing speed . 12
5.5.5 Recording data . 13
5.5.6 Calculation of results . 13
5.6 Measurement report . 14
Annex A (informative) Shape and dimensions of test specimens . 15
Annex B (informative) Preparation of test specimens from cable samples . 18
Annex C (informative) Typical load versus elongation curves . 20
Annex D (normative) Dies for cutting dumb-bell specimens . 22
Annex E (informative) Example of a measurement report from tensile elongation
measurements . 23
Bibliography . 24

Figure A.1 – Shape of dumb-bell specimens . 15
Figure A.2 – Fitting end tabs to tubular specimens . 16
Figure A.3 – Fitting soft inserts to tubular specimens . 17
Figure A.4 – Mounting of O-ring specimens in the test machine . 17
Figure C.1 – Typical load-elongation curves . 20
Figure C.2 – Typical load-time curve with a slipping specimen . 21
Figure D.1 – Suitable cutters for dumb-bell specimens . 22

62582-3 © IEC/IEEE:2012 – 3 –
Table 1 – Testing speeds for elongation measurements . 12
Table A.1 – Recommended dimensions for dumb-bell specimens . 15

– 4 – 62582-3 © IEC/IEEE:2012
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
NUCLEAR POWER PLANTS –
INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY –
ELECTRICAL EQUIPMENT CONDITION MONITORING METHODS –

Part 3: Elongation at break
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