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    • 1. 发明申请
    • ELECTRIC POWER CABLE AND PROCESS FOR THE PRODUCTION OF ELECTRIC POWER CABLE
    • 电力电缆及电力电缆生产工艺
    • WO2016131478A1
    • 2016-08-25
    • PCT/EP2015/053349
    • 2015-02-18
    • ABB TECHNOLOGY LTD
    • OLSSON, Carl-OlofFARKAS, AndreasGHORBANI, Hossein
    • H01B3/44H01B9/02
    • H01B3/441H01B9/027
    • The present invention relates to an electric power cable (1) comprising a metal conductor (2) and an electric insulation system (12) radially surrounding the conductor (2) and to a process for the production of the cable. The insulation system (12) comprises a first semi-conducting layer (4) comprising a polyethylene-based base polymer, wherein the first semi-conducting layer (4) surrounds the conductor (2). Further, the insulation system comprises an insulation layer (6) comprising a polyethylene-based base polymer, wherein the insulation layer (6) is in contact with and surrounds the first semi-conducting layer (4) radially outwards, and a second semi-conducting layer (8) comprising a polyethylene-based base polymer, wherein the second semi-conducting layer (4) is in contact with and surrounds the insulation layer (6) radially outwards. The base polymer in the first semi-conducting layer (4) is non-cross-linked, and the base polymer in the insulation layer (6) is cross-linked, wherby a uniform electric field distribution in the insulation system (12) is obtained.
    • 本发明涉及一种电力电缆(1),其包括金属导体(2)和径向围绕导体(2)的电绝缘系统(12)以及用于生产电缆的工艺。 绝缘系统(12)包括包含聚乙烯基础聚合物的第一半导体层(4),其中第一半导电层(4)围绕导体(2)。 此外,绝缘系统包括包括聚乙烯基基础聚合物的绝缘层(6),其中绝缘层(6)径向向外与第一半导电层(4)接触并围绕第一半导体层(4) 导电层(8),其包括聚乙烯基基础聚合物,其中所述第二半导体层(4)径向向外与所述绝缘层(6)接触并围绕所述绝缘层(6)。 第一半导体层(4)中的基础聚合物是非交联的,并且绝缘层(6)中的基础聚合物是交联的,所以在绝缘系统(12)中的均匀的电场分布是 获得。
    • 3. 发明申请
    • AN INSULATION SYSTEM FOR HV CABLE JOINT, A METHOD FOR FORMING A JOINT AND A CABLE JOINT
    • 用于高压电缆接头的绝缘系统,形成接头和电缆接头的方法
    • WO2015197686A1
    • 2015-12-30
    • PCT/EP2015/064245
    • 2015-06-24
    • ABB TECHNOLOGY LTD
    • GHORBANI, HosseinQUIST, TobiasREBILLARD, Eric
    • H02G1/14H02G15/00H02G15/18
    • H02G1/14H02G15/003H02G15/18
    • An insulation system in a high voltage cable joint comprising a first cable end (12) of a first high voltage electric cable (10), and a second cable end (22) of a second high voltage electric cable (20). The first cable end comprises a first cable insulation layer (13) surrounding a first electric conductor (14) provided with a conductor screen (16), and the second cable end comprises a second cable insulation layer (23) surrounding a second electric conductor (24) provided with a conductor screen (26). The first and second electric conductors are electrically and mechanically connected to each other thereby forming a conductor joint (30).The first and second cable insulation layers comprise a polymer, and the insulation system further comprises a joint insulation layer (50) arranged to cover the conductor joint (30) and the cable insulation layer (13; 23) of the respective cable ends (12; 22). The joint insulation layer comprises a non-crosslinked polymer material, and the insulation system further comprises an insulation screen (60) layer provided over the joint insulation layer. Further, an intermediate layer (40) is arranged between at least apart of the respective cable insulation layers (12; 23) and the joint insulation layer (50), which intermediate layer comprises a crosslinking agent of a content that is higher than any content of crosslinking agent in the polymer material in the joint insulation layer.
    • 包括第一高压电缆(10)的第一电缆端(12)和第二高压电缆(20)的第二电缆端(22)的高压电缆接头中的绝缘系统。 第一电缆端包括围绕设置有导体屏蔽(16)的第一电导体(14)的第一电缆绝缘层(13),并且第二电缆端包括围绕第二电导体的第二电缆绝缘层(23) 24)设置有导体屏幕(26)。 第一和第二电导体彼此电气和机械连接,从而形成导体接头(30)。第一和第二电缆绝缘层包括聚合物,并且绝缘系统还包括接合绝缘层(50),其被布置成覆盖 所述导体接头(30)和所述电缆端部(12; 22)的所述电缆绝缘层(13; 23)。 所述接合绝缘层包括非交联聚合物材料,并且所述绝缘系统还包括设置在所述接合绝缘层上的绝缘屏蔽层(60)。 此外,在各个电缆绝缘层(12; 23)和接合绝缘层(50)的至少一部分之间布置有中间层(40),该中间层包含含量高于任何含量的交联剂 的交联剂在聚合物材料中的接合绝缘层。