guichao news: cross-linking power cable conductor shielding defect resolution
rated voltage 3.6 kv and above of cross-linked polyethylene insulated power cable (hereinafter referred to as crosslinking cable) shall be the conductor shielding and insulation shielding. conductor shielding mainly break cable inside and electric field
stress concentration, eliminate the influence of conductors twisted, improve and radial electric field distribution inside the cable in order to improve the dielectric strength of the cable. crosslinking cable due to various factors in the production process
the impact of a concave and convex defect conductor shielding, results in uneven distribution of the internal electric field, the serious influence the electrical performance and service life of the cable.
2 conductor shielding the types of defects and the reasons
crosslinking cable conductor shielding of the main defects in the production process has the following kinds:
(1) the depression. conductor shielding appears cave is largely due to the outermost single conductor ?