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    • 1. 发明申请
    • ELECTRICAL TRANSFORMER WITH DIAPHRAGM AND METHOD OF COOLING SAME
    • 具有膜片的电变压器及其冷却方法
    • WO2011061207A1
    • 2011-05-26
    • PCT/EP2010/067632
    • 2010-11-17
    • ABB RESEARCH LTDGALLETTI, BernardoIORDANIDIS, ArthourosSMAJIC, JasminCARLEN, Martin
    • GALLETTI, BernardoIORDANIDIS, ArthourosSMAJIC, JasminCARLEN, Martin
    • H01F27/20H01F27/08
    • H01F27/20H01F27/085
    • An electrical transformer comprises an enclosure (10); a magnetic core assembly arranged within the enclosure, the magnetic core assembly having a first core limb, a second core limb and a third core limb; three coil assemblies (30, 40, 50) comprising a first coil assembly (30) and a second coil assembly (40) and a third coil assembly (50). The first coil assembly (30) is co-axially disposed about the first core limb and radially separated therefrom by an axially- extending first inner duct (38) situated between the first core limb and the first coil assembly. The first coil assembly has a first outermost coil. A second coil assembly (40) is co- axially disposed about the second core limb and radially separated therefrom by an axially- extending second inner duct (48) situated between the second core limb and the second coil assembly. A third coil assembly (50) is co-axially disposed about the third core limb and radially separated therefrom by an axially- extending third inner duct (58) situated between the third core limb and the third coil assembly. At least one diaphragm (62, 64) is arranged within the enclosure (10), the diaphragm (62, 64) being essentially sealed to the first outermost coil and arranged for guiding a cooling in series through the first inner duct (38),through the second inner duct (48), through the third inner duct (58) and through an extra-coil volume along the outsides of the third, second and first outermost coil.
    • 电气变压器包括外壳(10); 布置在所述外壳内的磁芯组件,所述磁芯组件具有第一铁芯支柱,第二铁芯支柱和第三铁芯支柱; 包括第一线圈组件(30)和第二线圈组件(40)和第三线圈组件(50)的三个线圈组件(30,40,50)。 第一线圈组件(30)围绕第一铁芯支柱共同设置并且通过位于第一铁芯支柱和第一线圈组件之间的轴向延伸的第一内部导管(38)与其径向分开。 第一线圈组件具有第一最外线圈。 第二线圈组件(40)围绕第二芯分支共轴设置并且通过位于第二芯分支和第二线圈组件之间的轴向延伸的第二内部导管(48)与其径向分开。 第三线圈组件(50)围绕第三芯分支共同设置,并且通过位于第三芯分支和第三线圈组件之间的轴向延伸的第三内部导管(58)与其径向分开。 至少一个隔膜(62,64)布置在外壳(10)内,隔膜(62,64)基本上被密封到第一最外面的线圈上,并布置成用于通过第一内导管(38)串联引导冷却, 通过第二内部管道(48),穿过第三内部管道(58)并且沿着第三,第二和第一最外侧线圈的外侧通过额外的线圈体积。
    • 7. 发明申请
    • CAPACITIVE VOLTAGE TRANSFORMER
    • 电容式电压互感器
    • WO2009068047A1
    • 2009-06-04
    • PCT/EP2007/010288
    • 2007-11-27
    • ABB RESEARCH LTDDONZEL, LiseFUHRMANN, HenningCARLEN, Martin
    • DONZEL, LiseFUHRMANN, HenningCARLEN, Martin
    • H01G4/32H01G4/015H01G4/38
    • H01G4/32H01G4/015H01G4/385
    • A high voltage winding (8) carried by a conductor rod (9) consists of a conductively coated film (1) with an insulating polymer base (2) which carries on one surface metallized conductive areas (3) separated by interstices (4). A low voltage winding (11) is supported by' the high voltage winding (8) and consists of a first conductive foil (12) and a second conductive foil (13), preferably aluminium foils, insulated from each other by a first insulating film (14) and a second insulating film one of which is preferably formed by a part of the conductively coated film (1) extending over the low voltage winding (11). The first conductive foil (12) which serves as a measuring electrode is in direct contact with at least one of the conductive areas (3) of the conductively coated film (1) whereby reliable electrical contact between the high voltage winding (8) and the low voltage winding (11) is established with no intervening parts 'being required.
    • 由导体棒(9)承载的高压绕组(8)由具有绝缘聚合物基底(2)的导电涂覆膜(1)组成,所述绝缘聚合物基底(2)承载由间隙(4)分开的一个表面上的金属化导电区域(3)。 低压绕组(11)由高压绕组(8)支撑,并由第一导电箔(12)和第二导电箔(13)组成,优选铝箔由第一绝缘膜彼此绝缘 (14)和第二绝缘膜,其中优选由在低压绕组(11)上延伸的导电涂覆膜(1)的一部分形成。 用作测量电极的第一导电箔(12)与导电涂覆膜(1)的导电区域(3)中的至少一个直接接触,由此高压绕组(8)和 建立低压绕组(11),不需要中间部件。
    • 8. 发明申请
    • ELECTRICAL INSULATION SYSTEM
    • 电绝缘系统
    • WO2011095208A1
    • 2011-08-11
    • PCT/EP2010/051298
    • 2010-02-03
    • ABB RESEARCH LTDKORNMANN, XavierSCHMIDT, Lars, E.KRIVDA, AndrejGREUTER, FelixCARLEN, Martin
    • KORNMANN, XavierSCHMIDT, Lars, E.KRIVDA, AndrejGREUTER, FelixCARLEN, Martin
    • H01B3/30H01B3/40C08K9/06
    • C08K3/22B82Y30/00C08K3/36H01B3/40Y10T428/2982
    • Electrical insulation system with improved electrical breakdown strength, said electrical insulation system comprising a hardened polymer component having incorporated therein a conventional filler material and a selected nano-scale sized filler material, wherein (a) said hardened polymer component is selected from epoxy resin compositions, polyesters, polyamides, polybutylene terephthalate, polyurethanes and polydicyclopentadiene, and preferably is a hardened epoxy resin system; (b) said conventional filler material is a known filler material having an average grain size distribution within the range of 1 μm-500 μm, being present in a quantity within the range of 40%-65% by weight, calculated to the total weight of the insulator system; and (c) said selected nano-scale sized silica powder is a pretreated nano-scale sized filler material, having been produced by a sol- gel process; wherein said selected nano-scale sized silica powder is present within the electrical insulation system in an amount of about l%-20% by weight, calculated to the weight of the conventional filler material present in the electrical insulator system; method of preparing said insulations; and electrical insulation system containing the components (a) and (c) only.
    • 具有改善的电击穿强度的电绝缘系统,所述电绝缘系统包括硬化的聚合物组分,其中掺入了常规的填充材料和选定的纳米尺寸的填充材料,其中(a)所述硬化的聚合物组分选自环氧树脂组合物, 聚酯,聚酰胺,聚对苯二甲酸丁二醇酯,聚氨酯和聚二环戊二烯,优选为硬化环氧树脂体系; (b)所述常规填充材料是已知的平均粒度分布在1μm〜500μm范围内的填充材料,其以总重量计算在40重量%-65重量%的范围内 的绝缘子系统; 和(c)所选择的纳米尺寸二氧化硅粉末是经溶胶 - 凝胶法生产的经预处理的纳米级填料; 其中所述选定的纳米尺寸二氧化硅粉末以约1%-20%(重量)的量存在于电绝缘系统内,其量计算为存在于电绝缘体系统中的常规填料材料的重量; 制备所述绝缘体的方法; 和包含组分(a)和(c)的电绝缘体系。
    • 9. 发明申请
    • A CAPACITOR AND A VOLTAGE TRANSFORMER
    • 电容器和电压变压器
    • WO2009068081A1
    • 2009-06-04
    • PCT/EP2007/062874
    • 2007-11-27
    • ABB RESEARCH LTDDONZEL, LiseFUHRMANN, HenningOSTROWSKI, JoergCARLEN, Martin
    • DONZEL, LiseFUHRMANN, HenningOSTROWSKI, JoergCARLEN, Martin
    • H01G4/012H01G4/32
    • H01G4/012H01G4/015H01G4/32
    • A capacitor comprises a winding made from a film (1). The film (1) comprises a base (2) consisting of an electrically insulating polymer which carries on one of its surfaces a 5 sequence of conductive areas (3) where the base (2) carries an electrically conductive coating, separated by non-coated interstices (4). The conductive areas (3) are all of the same shape and size, preferably forming parallelograms aligned with a longitudinal direction of the film (1) and of 10 equal lateral positions on the base (2). The capacitor has a plurality of essentially concentric electrodes which are insulated from each other and consist each of one or more electrode layers formed by one of the conductive areas (3) and separated by dielectric layers formed by sections of the 15 base (2). The capacitor is easy to produce by the winding of the film (1) on a suitable support and has high voltage withstand capacity. It can be used as a high voltage capacitor in a capacitive voltage transformer in series with a conventional low voltage capacitor wound from two 20 superposed conductively coated films.
    • 电容器包括由薄膜(1)制成的绕组。 膜(1)包括由电绝缘聚合物构成的基体(2),该电绝缘聚合物在其一个表面上承载5个导电区域(3),其中基底(2)承载导电涂层,由未涂覆 间隙(4)。 导电区域(3)都具有相同的形状和尺寸,优选地形成与膜(1)的纵向方向对准的平行四边形和基部(2)上的10个相等的横向位置。 电容器具有彼此绝缘的多个基本上同心的电极,并且由一个或多个由一个导电区域(3)形成并由由15个基底(2)的部分形成的电介质层分离的电极层组成。 电容器容易通过在合适的支撑上卷绕膜(1)产生并具有高耐压容量。 它可以用作电容式电压互感器中的高压电容器,与从20个重叠的导电涂膜中卷绕的常规低压电容串联。
    • 10. 发明申请
    • ELECTRICAL INSULATION SYSTEM WITH IMPROVED ELECTRICAL BREAKDOWN STRENGTH
    • 具有改进的电气断开强度的电气绝缘系统
    • WO2009043376A1
    • 2009-04-09
    • PCT/EP2007/060504
    • 2007-10-03
    • ABB Research LtdCARLEN, MartinKORNMANN, XavierKRIVDA, AndrejGREUTER, Felix
    • CARLEN, MartinKORNMANN, XavierKRIVDA, AndrejGREUTER, Felix
    • H01B3/40C08K3/34C08L63/00
    • H01B3/40H01B3/006H01B3/302H01B3/305H01B3/421H01B3/441
    • Electrical insulation system with improved electrical breakdown strength, said electrical insulation system comprising a hardened polymer component having incorporated therein a conventional filler material and a selected pretreated filler material, wherein (a) the hardened polymer component is selected from epoxy resin systems, polyesters, polyamides, polybutylene terephthalate, polyurethanes and polydicyclopentadiene; (b) the conventional filler material is a known filler material having an average grain size distribution within the range of 1 µm- 500 µm, being present in a quantity within the range of 40 %- 65 % by weight, calculated to the total weight of the insulator system; and (c) the selected pretreated filler material is selected from silica, quartz, or a silicate, or is a mixture of these compounds, having an average grain size distribution within the range of 1 µm-500 µm, wherein said selected filler material has been pretreated with an intercalating compound and wherein said pretreated filler material is present in an amount of 1 %-30 % by weight, calculated to the weight of the conventional filler material present in the insulator system.
    • 所述电绝缘系统包括硬化聚合物组分,其中掺入了常规的填充材料和选择的预处理填料,其中(a)硬化的聚合物组分选自环氧树脂体系,聚酯,聚酰胺 ,聚对苯二甲酸丁二醇酯,聚氨酯和聚二环戊二烯; (b)常规的填充材料是平均粒度分布在1μm〜500μm的范围内的已知填料,按照总重量计算在40〜65重量%的范围内 的绝缘子系统; 和(c)选择的预处理填料材料选自二氧化硅,石英或硅酸盐,或者是这些化合物的混合物,其平均粒度分布在1μm〜500μm的范围内,其中所述选择的填充材料具有 用嵌入化合物进行预处理,其中所述预处理的填充材料以存在于绝缘体体系中的常规填充材料的重量计为1%-30%重量的量存在。