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    • 2. 发明申请
    • ELELCTRICAL CONDUCTION DEVICE, OVERHANG CORONA SHIELDING ARRANGEMENT AND METHOD FOR PRODUCING AN OVERHANG CORONA SHIELDING
    • 电缆设备,ENDENGLIMMSCHUTZANORDNUNG和方法用于制造端部电晕防护
    • WO2013041359A3
    • 2014-07-31
    • PCT/EP2012067127
    • 2012-09-03
    • SIEMENS AGKEMPEN STEFANLANG STEFFEN
    • KEMPEN STEFANLANG STEFFEN
    • H02K3/40H01B3/02H01B3/04H01B3/10H01B7/29H02K15/10
    • H01B5/004H01B1/026H01B3/02H01B3/04H01B3/10H01B5/02H01B7/29H01B13/22H02K3/40H02K15/105
    • In electrical operating equipment having a high rated electrical voltage, a main insulation can be surrounded at the end thereof with an overhang corona shielding. In order to predefine the electrical resistance of the overhang corona shielding a partly conductive lacquer can be applied in a plurality of layers. In this case, transitions can arise in the resistance value of the overhang corona shielding between the layers. An excessive increase in the field strength can then occur here, as a result of which partial discharges can also occur within the overhang corona shielding. The problem addressed by the present invention is that of providing an overhang corona shielding having high electrical strength. The electrical conduction device according to the invention comprises an electrically conductive conduction element (40) and an electrically insulating sheathing (42) surrounding said conduction element (40) at least in regions. An overhang corona shielding in the form of a coating (44) composed of a material having a resistivity that increases towards an end (42') of the sheathing (42) is arranged on the sheathing (42) at an outer side. The invention also encompases an overhang corona shielding arrangement (44) and a method for producing an overhang corona shielding.
    • 在具有高的电额定电压电气设备,主绝缘可以在其与Endenglimmschutz端包围。 为了设置端部电晕屏蔽的电阻,部分导电性涂料可在多个层中被应用。 在此,在层之间的端部电晕屏蔽的电阻转变可能导致。 这里可接着发生的磁场强度过度增加,这可能会结束电晕屏蔽以局部放电内。 本发明的目的是提供一种具有高电阻的Endenglimmschutz。 电导体装置的本发明包括一个导电的导向元件(40)和该至少部分地包围电绝缘护套(42)的导向元件(40)。 在壳体(42)是一个Endenglimmschutz在涂层(44)的形式,在外侧设置的材料制成,其具有护套(42)朝向增加电阻率的一个端部(42“)。 本发明还包括一个Endenglimmschutzanordnung(44)和用于产生结束电晕防护的方法。
    • 8. 发明申请
    • METHOD AND DEVICE FOR FORMING CORONA SHIELDING
    • 方法和设备形成电晕防护
    • WO2014111235A3
    • 2015-04-02
    • PCT/EP2013078111
    • 2013-12-30
    • SIEMENS AG
    • GRIEM HARALDLANG STEFFENPOHLMANN FRIEDHELMSTAUBACH CHRISTIAN
    • H02K3/40H02K15/12
    • H02K15/105B05D1/02H02K3/40H02K15/12
    • The invention relates to a method for forming corona shielding (7) on a winding bar (4) for high-voltage machines (1), having end corona shielding (8) in a first section (9) and outer corona shielding (10) in a second section (11) that adjoins the first section (9), said method comprising the following steps: provision (S1) of a first composition, which comprises a carrier material and a first filler contained therein and having a first electrical resistance; provision (S1) of a second composition, which comprises the same carrier material and a second filler contained therein and having a second electrical resistance, wherein the first and second fillers contain an identical dopable semiconductor material, the doping of which determines the electrical resistance of the first and second fillers, and wherein the second resistance differs from the first resistance; application (S2) of the first composition in the first section (9) to form the end corona shielding (8); and application (S2) of the second composition in the second section (11) to form the outer corona shielding (10). The same carrier material and fillers having the same properties are used for both compositions, and therefore the corona shielding with the end corona shielding and the outer corona shielding can be formed in one go (one single production step). The invention also relates to a device (19) for forming corona shielding (7) on a winding bar (4) for high-voltage machines (1).
    • 本发明涉及一种方法,用于在第一部分(9)和在第二部分的外电晕(10)(11)上的卷绕杆(4),用于高电压设备(1)与Endenglimmschutz(8)形成一电晕屏蔽罩(7), 邻接所述第一部分(9),其包括以下步骤:提供(S1)的第一组合物,包含载体材料和与第一电阻容纳在其中的第一填料; 提供了(S1),其包括相同的支撑材料和包含在其中的第二电阻的第二填料,其特征在于,所述第一和第二填料含有具有掺杂相等可掺杂半导体材料来确定所述第一和第二填料的电阻的第二组合物, 且其中所述第一电阻器的第二电阻器是不同的; 施加(S2)在所述第一部分(9)将第一组合物用于形成端部电晕防护(8); 和应用(S2)在用于形成外部电晕(10)第二部分(11)的第二组合物。 因此,相同的载体材料和填料与两种组合物相同的性质使用,从而可以形成具有外部电晕Endenglimmschutz和在列车的电晕屏蔽罩(单个制造工序)。 本发明还涉及一种装置(19),用于高压设备(1)上形成卷绕杆(4)的电晕屏蔽罩(7)。