Title:
ELECTRIC POWER CABLE, ELECTRIC POWER CABLE SYSTEM, METHOD FOR GROUNDING ELECTRIC POWER CABLE SYSTEM AND METHOD FOR CONSTRUCTING ELECTRIC POWER CABLE SYSTEM
Document Type and Number:
Japanese Patent JP2017168279
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide technology capable of maintaining safety even if an electric power cable is laid over a long distance.SOLUTION: In an electric power cable including, from the center to an outer periphery, a conductor, an insulator, an inner shield layer, an inner corrosion prevention layer, an external shield layer, and an external corrosion prevention layer, at one end of an axial direction of the electric power cable, only the inner shield layer in the inner shield layer and the external shield layer is directly grounded, at the other end of the axial direction of the electric power cable, only the external shield layer in the inner shield layer and the external shield layer is directly grounded.SELECTED DRAWING: Figure 1
Inventors:
MAO SHOJI
Application Number:
JP2016051963A
Publication Date:
September 21, 2017
Filing Date:
March 16, 2016
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
H01B9/02; H02G9/00
Attorney, Agent or Firm:
Fukuoka Masahiro
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