Benchmark Analysis for Condition Monitoring Test Techniques of Aged Low Voltage Cables in Nuclear Power Plants

INTERNATIONAL ATOMIC ENERGY AGENCY

Final Results of a Coordinated Research Project

IAEA-TECDOC-1825

English IAEA-TECDOC-1825 | 978-92-0-107317-4

192 pages | 133 figures | € 18.00 | Date published: 2017

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Description

This publication provides information and guidelines on how to monitor the performance of insulation and jacket materials of existing cables and establish a programme of cable degradation monitoring and ageing management for operating reactors and the next generation of nuclear facilities. This research was done through a coordinated research project (CRP) with participants from 17 Member States. This group of experts compiled the current knowledge in a report together with areas of future research and development to cover aging mechanisms and means to identify and manage the consequences of aging. They established a benchmarking programme using cable samples aged under thermal and/or radiation conditions, and tested before and after ageing by various methods and organizations. The results of these benchmark tests were then compared to identify the best condition monitoring methods and establish recommendations for improvements. The conclusions of the data analysis provided insight into condition monitoring techniques which yield usable or traceable results.

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Keywords

Reactor Technology, Nuclear Power Plants, Electric Equipment, Nondestructive Testing, Electric Cables, Benchmark Analysis, Condition Monitoring, CM, Material Ageing, Jacket Material, Coordinated Research Project, CRP, Low Voltage, Performance, Insulation, Shielding, Elongation, Degradation, Recommendations, Indenter Modulus, Oxidation, In Situ Tests, Resistance, Reflectometry Techniques, Cable Monitoring, Tan Delta, Dielectric Spectroscopy, Fourier Transform Infrared, FTIR, Aging Management, Nuclear Facilities, Member States, Thermal Conditions, Data Analysis, Radiation Conditions, Polymers, Electrical Tests, Chemical Techniques