公开(公告)号：US20180047481A1

公开(公告)日：2018-02-15

申请号：US15556834

申请日：2015-03-20

申请人： PRYSMIAN S.P.A.

发明人： Carl-Johan DALIN ,  Bo JOHANSSON

IPC分类号： H01B7/282 ,  H01B9/02

CPC分类号： H01B7/282 ,  H01B7/2825 ,  H01B7/285 ,  H01B9/02 ,  Y02A30/14

摘要： A multi-phase power cable includes: a plurality of phase cores, each including an insulated electric conductor; a screen assembly including a metallic screen rod; a moisture barrier metallic sheet enclosing the plurality of phase cores and the screen rod; an outer jacket radially outer to the moisture barrier metallic sheet; and a multilayer arrangement including a first, second and third semiconducting water swellable layer surrounding the phase cores and in radial internal position with respect to the moisture barrier metallic sheet and in electric contact therewith, the screen assembly being arranged between the second and third semiconducting water swellable layers.