NDLI: Radiation ageing technique for cable life evaluation of nuclear power plant

Content Provider	IEEE Xplore Digital Library
Author	Shimada, A. Sugimoto, M. Kudoh, H. Tamura, K. Seguchi, T.
Copyright Year	1994
Abstract	The accelerated ageing of cables for nuclear power plant was studied for the life evaluation in the environmental conditions. For the accelerated radiation ageing, the dose rate is the important point, because the oxidation profile in the insulation is much affected by dose rate due to oxygen diffusion limitation during irradiation. The oxidation profile was observed by FTIR for crosslinked polyethylene (XLPE) and ethylene propylene rubber (EPR) of cable insulation degraded at various irradiation conditions and compared with the mechanical degradation. The oxidation profiles with low dose rate at room temperature and that with high dose rate at elevated temperature (100°C) were very much alike and the mechanical degradations of both irradiations were equal. By increasing the irradiation temperature the oxygen diffusion rate increased exponentially with temperature and the degradation by thermal during irradiation for several hundred hours was very little at around 100°C. Therefore, the dose rate can be increased by 15 times by irradiation at 100°C instead of the irradiation at room temperature for the adequate oxidation throughout the insulation. The experimental result was coincident with the theoretical analysis.
Sponsorship	National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA
File Size	499756
File Format	PDF
ISSN	10709878
Volume Number	19
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Oxidation Aging Radiation effects Degradation Polymers Cable insulation radiation Ageing cable insulation degradation FTIR oxidation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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