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    High voltage bushing
    1.
    发明公开
    High voltage bushing 有权
    Hochspannungsdurchführung

    公开(公告)号：EP1798740A1

    公开(公告)日：2007-06-20

    申请号：EP05027276.4

    申请日：2005-12-14

    申请人： ABB RESEARCH LTD.

    发明人： Tilliette, Vincent ,  Rocks, Jens ,  Gisy, Stefan ,  Hedlund, Roger ,  Chalikia, Gerd ,  Meili, Ruedi

    IPC分类号： H01B17/28

    CPC分类号： H01B17/28 ,  Y10T29/532

    摘要： The high-voltage bushing (1) has a conductor (2) and a core (3) surrounding the conductor (2), wherein the core (3) comprises a sheet-like spacer(4), which spacer (4) is impregnated with an electrically insulating matrix material (6). The spacer (4) is wound in spiral form around an axis (A), the axis (A) being defined through the shape of the conductor (2). Thus, a multitude of neighbouring layers is formed. The core (3) further comprises equalization elements (5) in appropriate radial distances to the axis (A). It is characterized in that the equalization elements (5) comprise electrically conductive layers (51), which layers (51) have openings (9), through which openings (9) the matrix material (6) can penetrate, and in that the equalization elements (5) are applied to the core (3) separately from the spacer (4). Preferably, the electrically conductive layers (51) are net-shaped, grid-shaped, meshed or perforated. The openings (9) are fillable with the matrix material (6), preferably a particle-filled resin (6) can be used.

    摘要翻译： 高压套管（1）具有导体（2）和围绕导体（2）的芯体（3），其中芯部（3）包括片状间隔物（4），该间隔物（4）被浸渍 与电绝缘基体材料（6）。 间隔件（4）围绕轴线（A）以螺旋形缠绕，轴线（A）通过导体（2）的形状限定。 因此，形成多个相邻层。 芯（3）还包括与轴线（A）适当的径向距离的均衡元件（5）。 其特征在于均衡元件（5）包括导电层（51），这些层（51）具有开口（9），基体材料（6）可以穿透开口（9），并且其中均衡 元件（5）与间隔件（4）分开地施加到芯部（3）。 优选地，导电层（51）为网状，网格形，网状或穿孔。 开口（9）可以用基质材料（6）填充，优选使用颗粒填充树脂（6）。