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    Method of manufacturing transformer windings embedded in casting resin
    1.
    发明授权
    Method of manufacturing transformer windings embedded in casting resin 失效
    制造嵌入铸塑树脂的变压器绕组的方法

    公开(公告)号：US4540536A

    公开(公告)日：1985-09-10

    申请号：US531778

    申请日：1983-09-13

    申请人： Gerhard Altmann ,  Wolfgang Bendel ,  Rudolf Dedelmahr ,  Richard Pfeiffer

    发明人： Gerhard Altmann ,  Wolfgang Bendel ,  Rudolf Dedelmahr ,  Richard Pfeiffer

    IPC分类号： H01F41/12 ,  B29C6/02

    CPC分类号： H01F41/127

    摘要： Method of manufacturing a transformer winding embedded in casting resin by winding coils respectively by themselves and independently of one another for disposition thereof in tandem in axial direction of the winding includes placing the wound coils in a substantially annular casting mold having an inner and an outer jacket, with respective impregnated corrugated mats of insulating material as spacers disposed between the inner jacket and the coils as well as between the coils and the outer jacket, the inner and the outer jackets being fixed between mold end walls at respective ends of the casting mold; and disposing the casting mold containing the wound coils in an evacuated chamber and pouring casting resin into the casting mold through an axially parallel slot formed in the outer jacket thereof. Additionally included are spreading the inner jacket in radial direction so as to permanently deform the inner spacer to a dimension at which the radial extent of the inner spacer is reduced, the inner jacket being formed with axially parallel edges at ends thereof overlapping in circumferential direction and slidable on one another during the deformation so as to spread the inner jacket in radial direction; fixing the coils of the winding on the inner spacer against movement in axial direction; and surrounding respective edges at the ends of the inner and the outer jackets with an elastic layer at the inner face of the respective mold end walls.

    摘要翻译： 通过缠绕线圈分别缠绕在铸造树脂中的变压器绕组本身彼此独立地制造以在绕组的轴向方向串联布置的方法包括将卷绕的线圈放置在具有内部和外部套管的大致环形的铸模中 ，其中绝缘材料的各自浸渍的波纹垫作为设置在内护套和线圈之间以及线圈和外护套之间的间隔件，内外套和夹套固定在铸模的相应端的模端壁之间; 将含有卷绕的线圈的铸模设置在抽真空室中，并且通过形成在其外套中的轴向平行的槽将铸塑树脂浇注到铸模中。 另外包括的是将内护套沿径向方向扩展，以便将内间隔件永久地变形到内间隔件的径向范围减小的尺寸，内护套的端部在圆周方向上重叠形成有轴向平行的边缘， 在变形期间彼此可滑动，以便沿径向方向扩展内护套; 将所述绕组的线圈固定在所述内隔板上，以防止轴向移动; 并且在相应的模具端壁的内表面处具有在内套和外套的端部处的具有弹性层的相应边缘。

    Dry-type transformer with windings cast in casting resin
    4.
    发明授权
    Dry-type transformer with windings cast in casting resin 失效
    干式变压器，绕组铸造铸造树脂

    公开(公告)号：US4523171A

    公开(公告)日：1985-06-11

    申请号：US520720

    申请日：1983-08-05

    申请人： Gerhard Altmann ,  Friedrich Alber ,  Lothar Brzuska

    发明人： Gerhard Altmann ,  Friedrich Alber ,  Lothar Brzuska

    IPC分类号： H01F27/08 ,  H01F27/30 ,  H01F27/32 ,  H01F27/02

    CPC分类号： H01F27/08 ,  H01F27/306 ,  H01F27/327 ,  H01F2027/328

    摘要： A dry-type transformer cast into casting resin, includes windings, a main leakage canal, at least one of the windings being subdivided into coaxial winding parts spaced apart from each other defining an additional axial cooling canal therebetween, separate inner and outer casting resin bodies each having end faces and being cast around a respective one of the winding parts, reinforcements formed on diametrically opposite outer surface regions of the outer casting resin body for receiving axially extended connecting conductors for electrically wiring the winding parts, line terminals and tap terminals disposed on respective reinforcements, and elastic blocks common to all of the windings and winding parts between which the winding parts of a respective winding are clamped and metallically interconnected in front of the end faces of the casting resin bodies.

    摘要翻译： 铸造成铸造树脂的干式变压器包括绕组，主泄漏管，至少一个绕组被细分成彼此间隔开的同轴绕组部分，在它们之间限定另外的轴向冷却管道，分离的内部和外部铸造树脂体 每个具有端面并围绕相应的一个绕组部分铸造，形成在外铸造树脂体的径向相对的外表面区域上的加强件，用于接收轴向延伸的连接导体，用于将绕组部分，线路端子和分接头端子布置在 相应的加强件和与所有绕组和绕组部分相同的弹性块，各绕组的绕组部分夹在其间并在铸造树脂体的端面之前金属地互连。