Life time estimation of serviced aged oil-paper insulated HV power cables based on the dielectric loss measurements (tan δ)

This contribution focuses on the application of dielectric loss measurements for service aged oil-impregnated high voltage power cables. The results of the project focused on condition assessment of service aged oil-impregnated HV power cables will be discussed. The final goal of this project is: to...

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Bibliographic Details
Main Authors: Chmura, L, Cichecki, P, Gulski, E, Smit, J J, de Vries, F
Format: Conference Proceeding
Language:English
Subjects:
Aging
aging of oil-impregnated insulation
Cable insulation
dielectric loss
Dielectric loss measurement
Dielectric losses
Dielectric measurements
Dielectrics and electrical insulation
Life estimation
Oil insulation
Power cables
Power measurement
serviced power cables
tanδ
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Description
Summary:This contribution focuses on the application of dielectric loss measurements for service aged oil-impregnated high voltage power cables. The results of the project focused on condition assessment of service aged oil-impregnated HV power cables will be discussed. The final goal of this project is: to develop by using laboratory and on-site tanδ measurements a tool to support the condition assessment and asset management decisions. By combination laboratory measurements and on-site diagnostics, an investigation have been performed into several complete cable circuits to find the relation between electrical and thermal stresses of paper oil-impregnated insulation, at different aging stages. The result of this investigation, in particular influence of electrical and thermal stressing of samples in different stage of aging, with combination of on-site diagnostics has been applied to develop a tool for supporting asset management decision process.
ISSN:1089-084X
DOI:10.1109/ELINSL.2010.5549816