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    • 3. 发明申请
    • ELECTRICAL BUSHING
    • 电气布置
    • WO2016055329A1
    • 2016-04-14
    • PCT/EP2015/072579
    • 2015-09-30
    • ABB TECHNOLOGY LTD
    • BIRGERSON, JonasRAVANAL, Alejandra
    • H01B17/54F28D15/02H01B17/26
    • H01B17/54F28D15/0233H01B17/26
    • The present disclosure relates to an electrical bushing (1) comprising an electrically insulating sleeve (2) having a central longitudinal through hole (4) surrounding a central longitudinal axis (5) of the bushing, and an electrical conductor (3) positioned through the central longitudinal through hole (4) of the sleeve. The conductor comprises a longitudinal outer tube and a longitudinal inner tube (3b), concentrically located within the outer tube (3a), such that a tubular space is formed between the outer tube and the inner tube. A first end of the tubular space is delimited by a tube spacer (10) between the outer tube and the inner tube, and a second end of the tubular space is capped to form an enclosed tubular space. The enclosed tubular space contains a heat transfer fluid whereby a heat-pipe (6) is formed between the outer tube and the inner tube of the conductor. The outer tube extends longitudinally beyond the heat-pipe delimited by the tube spacer at the first end of the tubular space, and the inner tube has a design at said first end such that fluid can pass from between the outer tube and the inner tube into a central longitudinal space (9) formed in the inner tube, without passing longitudinally beyond the extension of the outer tube.
    • 本发明涉及一种电气套管(1),其包括电绝缘套管(2),该电气套管具有环绕该衬套的中心纵向轴线(5)的中心纵向通孔(4)和一个电导体(3) 套筒的中心纵向通孔(4)。 导体包括纵向外管和纵向内管(3b),其同心地位于外管(3a)内,使得在外管和内管之间形成管状空间。 管状空间的第一端由在外管和内管之间的管间隔件(10)限定,并且管状空间的第二端被盖住以形成封闭的管状空间。 封闭的管状空间包含传热流体,由此在外管和导体的内管之间形成热管(6)。 外管在管状空间的第一端处纵向延伸超过由管隔离物限定的热管,并且内管在所述第一端处具有设计,使得流体可以从外管和内管之间通过进入 形成在内管中的中心纵向空间(9),不纵向延伸超过外管的延伸部。