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Cause of high voltage cable failure

6 months ago 302 0 News

(1) Causes of cable body manufacturing

Generally, the problems that are easy to occur in the cable production process are insulation eccentricity, uneven thickness of the insulation shield, impurities in the insulation, protrusions in the inner and outer shields, uneven cross-linking degree, dampness of the cable, poor sealing of the metal sheath of the cable, etc. It is serious that failure may occur in the completion test or shortly after the operation, and most of them are in the form of defects in the cable system, which poses a serious hidden danger to the long-term safe operation of the cable.


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