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ESTIMATION CRITERIA FOR DEGREE OF PAPER-IMPREGNATED INSULATED POWER CABLE AGEING

ESTIMATION CRITERIA FOR DEGREE OF PAPER-IMPREGNATED INSULATED POWER CABLE AGEING

Correlation between parameters characterizing mechanical and thermal ageing of paper-impregnated insulation of medium voltage power cables is revealed. On the basis of linear and exponential regression analysis at confidence coefficient of 0.95, critical values of dielectric loss tangent of wrapping...

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Bibliographic Details
Main Authors: Bezprozvannych, G. V., Moskvitin, E. S.
Format: Article
Language:Russian
Published: National Technical University "Kharkiv Polytechnic Institute" and State Institution “Institute of Technical Problems of Magnetism of the National Academy of Sciences of Ukraine” 2013
Subjects:
power cables
paper-impregnated insulation
mechanical and thermal ageing
double bends number
dielectric loss tangent
linear and exponential regression analysis
621.319
Online Access:http://eie.khpi.edu.ua/article/view/2074-272X.2013.4.05
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Summary:Correlation between parameters characterizing mechanical and thermal ageing of paper-impregnated insulation of medium voltage power cables is revealed. On the basis of linear and exponential regression analysis at confidence coefficient of 0.95, critical values of dielectric loss tangent of wrapping and phase insulation corresponding to the cable life termination are found.

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