Transformer protection system
    1.
    发明授权

    公开(公告)号:US09935454B2

    公开(公告)日:2018-04-03

    申请号:US14733568

    申请日:2015-06-08

    Abstract: An exemplary transformer protection system including a protective housing having a transformer which is arranged in the protective housing, a transformer core, and at least one primary-side electrical winding and a secondary-side electrical winding which is magnetically coupled to the primary-side electrical winding. The protection system also includes at least one detection apparatus for a measurement variable from which the occurrence of an interference arc within the protective housing can be derived, and an evaluation unit for generating a fault signal from the measurement variable of the at least one detection apparatus in the case of an interference arc. Further, the protection system includes at least one rapid-earthing apparatus for at least one of the electrical windings which is intended to be activated by the fault signal, wherein the rapid-earthing apparatus is designed in such a way that effective electrical earthing immediately after activation of the fault signal is ensured.

    TRANSFORMER-CORE
    2.
    发明申请
    TRANSFORMER-CORE 审中-公开
    变压器芯

    公开(公告)号:US20140320253A1

    公开(公告)日:2014-10-30

    申请号:US14330245

    申请日:2014-07-14

    CPC classification number: H01F27/24 H01F27/25 H01F27/263 H01F30/12 H01F41/0226

    Abstract: A transformer core is disclosed, which can include at least three hollow-cylindrical rectangular shaped core-discs wound from a magnetic band-like material, wherein two opposed limb areas and an upper and lower yoke area can be formed along a circumferential path. The core-discs can include one first and at least one second slanted area parallel to the circumferential path in the belonging limb area. The at least three core-discs can be connected according to a polygonal layout at their first slanted areas, which can be arranged adjacently face to face. Conical shaped polygonal adapter plates fitted to the polygonal layout within the upper and lower yoke areas, which can be clamped together.

    Abstract translation: 公开了一种变压器铁芯,其可以包括从磁带状材料卷绕的至少三个中空圆柱形矩形芯盘,其中可以沿圆周路径形成两个相对的肢体区域和上部和下部磁轭区域。 芯盘可以包括平行于所属肢体区域中的圆周路径的一个第一和至少一个第二倾斜区域。 至少三个芯盘可以根据多边形布局在它们的第一倾斜区域连接,这可以相对地面对面布置。 圆锥形多边形适配器板装配到上下轭区域内的多边形布局,可以夹在一起。

    Transformer winding with cooling channel
    3.
    发明授权
    Transformer winding with cooling channel 有权
    变压器绕组带冷却通道

    公开(公告)号:US09208939B2

    公开(公告)日:2015-12-08

    申请号:US13934750

    申请日:2013-07-03

    CPC classification number: H01F27/2876 H01F27/085 H01F27/322 H01F2027/328

    Abstract: At least two winding modules nested hollow-cylindrically one inside the other and extending around a common winding axis, wherein said winding modules are spaced radially apart from one another within at least one hollow-cylindrical cooling channel arranged therebetween by means of insulation strips, wherein the insulation strips have a cross-sectional form which avoid a surface profile radially with respect to the winding axis, the insulation strips including one of a fiber-reinforced epoxy, polyester resin, or from an unreinforced thermoplastic material.

    Abstract translation: 至少两个卷绕模块嵌套成一个在另一个内部并且围绕公共卷绕轴线延伸的中空圆柱形,其中所述绕组模块在通过绝缘条布置在其间的至少一个中空圆柱形冷却通道内彼此径向间隔开,其中 绝缘条具有横截面形式,其避免相对于卷绕轴线径向的表面轮廓,绝缘条包括纤维增强环氧树脂,聚酯树脂或未增强的热塑性材料中的一种。

    Winding device, winding method, and transformer winding
    4.
    发明授权
    Winding device, winding method, and transformer winding 有权
    绕线装置,绕组方式和变压器绕组

    公开(公告)号:US09196407B2

    公开(公告)日:2015-11-24

    申请号:US14088004

    申请日:2013-11-22

    CPC classification number: H01F5/06 H01F41/068 H01F41/122 H01F41/125

    Abstract: A transformer winding device, a method and a transformer are disclosed. The transformer winding winding device includes a rotary device configured to extend along an axis of rotation and configured to receive a transformer winding to be wound, at least one device configured to provide a plurality of insulation strips, and a comb-like guide device. The comb-like device is configured to deflect the plurality of insulation strips into at least one common winding plane and fed parallel to one another, at an angle to an axis of rotation, to the transformer winding to be wound. The comb-like guide device can include at least a first guide device element for a first group of insulation strips and a second guide device element for a second group of insulation strips, wherein the first and second guide device elements are offset with respect to one another in terms of axial length.

    Abstract translation: 公开了变压器绕组装置,方法和变压器。 变压器绕组装置包括旋转装置,该旋转装置构造成沿着旋转轴线延伸并且被配置为接收要缠绕的变压器绕组,至少一个被配置为提供多个绝缘条的装置和梳状导向装置。 梳状装置被配置为将多个绝缘条偏转到至少一个公共绕组平面中,并且以相对于旋转轴线成一定角度彼此平行地馈送到待缠绕的变压器绕组。 梳状引导装置可以包括用于第一组绝缘条的至少第一引导装置元件和用于第二组绝缘条的第二引导装置元件,其中第一和第二引导装置元件相对于一个绝缘条偏移 另一个在轴向长度方面。

    High-voltage transformer
    6.
    发明授权
    High-voltage transformer 有权
    高压变压器

    公开(公告)号:US09478350B2

    公开(公告)日:2016-10-25

    申请号:US14515102

    申请日:2014-10-15

    CPC classification number: H01F27/32 H01F5/06 H01F27/322 H01F2027/328

    Abstract: A high-voltage transformer and method of manufacturing are disclosed. The high-voltage transformer can include a transformer core having at least two core limbs, which are axially parallel and on which in each case a hollow-cylindrical coil having in each case at least one electrical winding is arranged. At least in partial regions of mutually facing surfaces of adjacently arranged coils, the respective surface regions of the coils can have a respective electrically isolating barrier structure, which can be integrated radially on an outside of the coil.

    Abstract translation: 公开了一种高压变压器及其制造方法。 高压变压器可以包括具有至少两个芯臂的变压器芯,它们是轴向平行的,并且在每个情况下都是中空圆柱形线圈,每个壳体中布置有至少一个电绕组。 至少在相邻布置的线圈的相互面对的表面的部分区域中,线圈的相应表面区域可以具有相应的电隔离阻挡结构,其可以径向地集成在线圈的外部。

    Dry transformer heater
    8.
    发明授权
    Dry transformer heater 有权
    干式变压器加热器

    公开(公告)号:US09171662B2

    公开(公告)日:2015-10-27

    申请号:US14052285

    申请日:2013-10-11

    CPC classification number: H01F27/008 H01F27/402

    Abstract: A dry-type transformer heater includes a closed housing, and at least one transformer winding arranged in the housing. The at least one transformer winding includes at least one corresponding winding conductor and a corresponding insulation layer surrounding the transformer winding, respectively. In addition to the respective winding conductor, at least one coil heating wire is provided in at least one of the insulation layer and on the surface of the insulation layer to input thermal power into the respective insulation layer.

    Abstract translation: 干式变压器加热器包括封闭的壳体和布置在壳体中的至少一个变压器绕组。 所述至少一个变压器绕组分别包括至少一个对应的绕组导体和围绕变压器绕组的对应的绝缘层。 除了相应的绕组导体之外,至少一个线圈加热线设置在绝缘层中的至少一个和绝缘层的表面上,以将热功输入相应的绝缘层。

    ON-LOAD TAP-CHANGER FOR DRY TRANSFORMERS AND DRY TRANSFORMER
    9.
    发明申请
    ON-LOAD TAP-CHANGER FOR DRY TRANSFORMERS AND DRY TRANSFORMER 有权
    干式变压器和干式变压器的负载变压器

    公开(公告)号:US20160033980A1

    公开(公告)日:2016-02-04

    申请号:US14808056

    申请日:2015-07-24

    Abstract: An on-load tap-changer for dry transformers, having an electric insulating hollow casing extending around a virtual axis, wherein several electric contact sections are foreseen along a path on the inner surface of the hollow casing, which are electrically joined through the wall of the hollow casing and a selector contact in the inner of the cylinder which is moveable along the path and that's outer end is selectively connectable with one of the contact sections by a respective movement. Respective cables are foreseen to electrically connect the contact sections from the radial outer side of the hollow casing, wherein at least some of the cables have a respective surrounding outer insulation at least at their respective connected end.

    Abstract translation: 一种用于干式变压器的有载分接开关,具有围绕虚拟轴线延伸的电绝缘中空壳体,其中沿着中空壳体的内表面上的路径预见若干电接触部分,其通过 所述中空壳体和所述气缸内部的选择器接触件可以沿着所述路径移动,并且所述外端部通过相应的运动可选择性地与所述接触部分中的一个连接。 预期相应的电缆将接触部分与中空壳体的径向外侧电连接,其中至少一些电缆至少在其相应的连接端具有相应的环绕外部绝缘体。

    SUPPLEMENTARY TRANSFORMER WINDING
    10.
    发明申请
    SUPPLEMENTARY TRANSFORMER WINDING 有权
    补充变压器绕组

    公开(公告)号:US20140077913A1

    公开(公告)日:2014-03-20

    申请号:US14088035

    申请日:2013-11-22

    CPC classification number: H01F27/303 H01F29/02 H01H9/0005

    Abstract: A transformer winding and a dry-transformer are disclosed, which include a main transformer winding, and a supplementary transformer winding configured to be electrically connected in series with the main transformer winding. The supplementary transformer winding can include a first winding module, a second winding module, and a third winding module, each of the winding modules having at least a first, a second and a third winding segment, and wherein each of the winding segments has a tap. A changer is configured to be connected to the taps of the second winding module, and wherein the second winding module is configured to be electrically connected in series to at least one winding segment of the first winding module and the third winding module.

    Abstract translation: 公开了一种变压器绕组和干式变压器,其包括主变压器绕组和被配置为与主变压器绕组串联电连接的辅助变压器绕组。 辅助变压器绕组可以包括第一绕组模块,第二绕组模块和第三绕组模块,每个绕组模块具有至少第一,第二和第三绕组段,并且其中每个绕组段具有 点击。 变换器被配置为连接到第二绕组模块的抽头,并且其中第二绕组模块被构造成与第一绕组模块和第三绕组模块的至少一个绕组段串联电连接。

Patent Agency Ranking