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    • 6. 发明授权
    • Alternating current capacitor
    • 交流电容器
    • US4538208A
    • 1985-08-27
    • US612554
    • 1984-05-21
    • Vandos Shedigian
    • Vandos Shedigian
    • H01G4/22
    • H01G4/221
    • A method is provided for gelling a dielectric in an alternating current capacitor of the type having a housing enclosing a pair of convolutely wound electrodes and dielectric spacers interleaved therebetween for separating the electrode with at least one of the electrodes being formed by a metallized film and using a dielectric of soybean oil, the method comprising adding an alkylhydroxyphenlalkanolyhydrazine compound to the soybean oil to gel the same within the housing so as to reduce its mobility and maintain the dielectric in proximity to the electrodes for reducing electrical corona discharge between the electrodes and for reducing electrical erosion of the electrodes.
    • 提供了一种用于将交流电容器中的电介质凝胶化的方法,该交流电容器具有包围一对缠绕电极的电容器和介于其间的电介质间隔物,用于分离电极,其中至少一个电极由金属化膜形成,并使用 大豆油的电介质,该方法包括向大豆油中加入烷基羟基苯烷基多酰肼化合物以使其在壳体内凝胶化,从而降低其迁移率并将电介质保持在电极附近,以减少电极之间的电晕放电并减少 电极的电蚀。
    • 7. 发明授权
    • Dielectric fluid for a compacitor
    • 电容器的介质流体
    • US4521826A
    • 1985-06-04
    • US124283
    • 1980-02-25
    • Vandos ShedigianGerald A. Voyles
    • Vandos ShedigianGerald A. Voyles
    • H01B3/20H01G4/22
    • H01G4/221H01G4/18H01G4/32
    • In a capacitor, a dielectric fluid including 0 to about 10 wt. % of an antioxidant, 0 to about 10 wt. % of an epoxide stabilizer, the remainder essentially a compound with more than two stearate groups. The presently preferred compound of the dielectric fluid is glyceryl tri(acetoxystearate). A primary function of the dielectric fluid is to help prevent air from contacting the capacitor body of the capacitor. The capacitor body includes as its dielectric a plastic film such as polypropylene and the above mentioned dielectric fluid. Air pockets in and around the capacitor body are impregnated with such fluid to minimize disruptive electrical or corona discharges without harmfully swelling the plastic film to thereby improve the operating efficiency of such capacitor.
    • 在电容器中,包括0至约10wt。 %的抗氧化剂,0至约10wt。 %的环氧化物稳定剂,其余基本上是具有两个以上硬脂酸酯基团的化合物。 目前优选的介电流体化合物是甘油三(乙酰氧基硬脂酸酯)。 介电流体的主要功能是帮助防止空气与电容器的电容器体接触。 电容器主体包括作为电介质的塑料膜,例如聚丙烯和上述介电流体。 电容器体内和周围的气穴浸渍有这种流体,以最小化破坏性电或电晕放电,而不会有害地膨胀塑料膜,从而提高这种电容器的工作效率。