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公开(公告)号：EP4231317A1
公开(公告)日：2023-08-23
申请号：EP22157502.0
申请日：2022-02-18
申请人： NKT HV Cables AB
发明人： LÅNGSTRÖM, Sonny , JOHANSSON, Tommy , JÄDERBERG, Johan , SANDELL, Håkan , DAHL RYDE, Christoffer
摘要： A power cable (1) comprising: a power core (3a) including: a conductor (5), an insulation system comprising an inner semiconducting layer (9) arranged around the conductor (5), an insulation layer (11) arranged around the inner semiconducting layer (9), and an outer semiconducting layer (13) arranged around the insulation layer (11), a first metallic water blocking layer (15) arranged concentrically with and around the outer semiconducting layer (13), a semiconducting polymer layer (19) arranged concentrically with and around the first metallic water blocking layer (15), and a second metallic water blocking layer (21) arranged concentrically with and around the semiconducting polymer layer (19); and an outer sheath (25) arranged around the second metallic water blocking layer (21).
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公开(公告)号：EP4270420A1
公开(公告)日：2023-11-01
申请号：EP22170841.5
申请日：2022-04-29
申请人： NKT HV Cables AB
发明人： DAHL RYDE, Christoffer , SANDELL, Håkan , TYRBERG, Andreas , PERSBERG, Andreas , LÅNGSTRÖM, Sonny , JOHANSSON, Tommy , POURRAHIMI, Amir
摘要： A power cable (1) comprising: a conductor (5), an insulation system (7) comprising an inner semiconducting layer (9) arranged around the conductor (5), an insulation layer (11) arranged around the inner semiconducting layer (9), and an outer semiconducting layer (13) arranged around the insulation layer (11), an elastic mechanical support layer (15) arranged around the outer semiconducting layer (13), a metallic water blocking layer (17) having a longitudinal weld seam (17a), the metallic water blocking layer (17) being arranged around the mechanical support layer (15), wherein the mechanical support layer (15) is permanently thermally expanded radially as a result of a heat treatment process, thereby mechanically supporting the metallic water blocking layer (17).
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