Method for evaluation of cable aging degradation based on slice sampling
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United States of America Patent
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Jul 19, 2016
Grant Date -
Jan 29, 2015
app pub date -
Jun 6, 2014
filing date -
Jul 23, 2013
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Abstract
A method for evaluation of cable aging degradation based on slice sampling is revealed. An insulation layer of a cable is aged or degraded from the outside in under influence of high temperature, liquid immersion, radiation exposure, or other factors. The present invention gets slices as samples of the cable by cutting from the outside in. Then related tests including dielectric withstand test, insulation resistance measurement, elongation test, etc. are carried out. Besides the state of cable aging degradation being of the slice being found out, different positions in the insulation layer such as an outer layer, a middle layer and an inner layer can also be evaluated.
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