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    • 1. 发明授权
    • Method for manufacturing an electric device having an insulation system impregnated with a dielectric fluid
    • 用于制造具有浸渍有介电流体的绝缘体系的电子装置的方法
    • US06391447B1
    • 2002-05-21
    • US09582086
    • 2000-08-03
    • Anna KornfeldtJohan FelixMikael BergkvistPer Nordberg
    • Anna KornfeldtJohan FelixMikael BergkvistPer Nordberg
    • D02G300
    • H01B9/0688Y10T428/2933Y10T428/2936Y10T428/294Y10T428/2971
    • A method for manufacture of an electric device having at least one conductor and a porous, fibrous and/or laminated electrically insulating dielectric system comprising a solid electrically insulating part impregnated with a dielectric fluid and a porous, fibrous and/or laminated body for use in an electric device produced with the method. The method comprises the steps of: providing a conductor and a porous, fibrous and/or laminated structure of a solid electrically insulating material associated with each other, pretreating the porous, fibrous and/or laminated body with a gelling additive such that the body comprises the gelling additive which imparts a high viscosity and elasticity to the fluid at conditions for which the device is designed to operate under, impregnating the pretreated body comprising the gelling additive with the dielectric fluid, wherein the gelling additive upon impregnation is brought into contact with the dielectric fluid and the gelling additive, at least in part, is dissolved by the fluid such that following the impregnation the dielectric fluid is gelled.
    • 一种用于制造具有至少一个导体和多孔,纤维和/或层压的电绝缘介电系统的电气装置的方法,其包括浸渍有介电流体的固体电绝缘部分和多孔,纤维和/或层压体,用于 使用该方法制造的电子装置。 该方法包括以下步骤:提供彼此相关联的固体电绝缘材料的导体和多孔,纤维和/或层压结构,用胶凝添加剂预处理多孔,纤维和/或层压体,使得主体包括 所述胶凝添加剂在所述装置被设计为在其下操作的条件下赋予所述流体高粘度和弹性,将包含所述胶凝添加剂的预处理体浸渍在所述介电流体中,其中所述胶凝添加剂在浸渍时与 介电流体和胶凝添加剂至少部分地被流体溶解,使得在浸渍之后,介电流体被凝胶化。
    • 4. 发明授权
    • Electric device with a porous conductor insulation impregnated with a dielectric fluid exhibiting a rheologic transition point
    • 具有浸渍有表现出流变转变点的介电流体的多孔导体绝缘体的电气装置
    • US06245426B1
    • 2001-06-12
    • US09214297
    • 1999-02-08
    • Anna KornfeldtBengt Kronberg
    • Anna KornfeldtBengt Kronberg
    • B32B2700
    • H01B3/20Y10T428/294Y10T428/2947
    • An electric device comprising a conductor and a porous conductor insulation impregnated with a dielectric fluid. Where the dielectric fluid comprises; a polymer; and a hydrocarbon-based fluid. The dielectric fluid being composed such that a part of the polymer molecule interacts with the hydrocarbon based fluid or another part in the polymer molecule in such a way that the dielectric fluid; at temperatures within a first low temperature range is in a highly viscous and elastic, essentially gelled, state; at elevated temperatures within a second higher temperature range, is in low viscosity easy flowing and essentially newtonian state; and that the viscosity of the dielectric fluid is, over a third limited temperature range, the transition range, changed between the low viscosity state and the highly viscous state. The transition range comprises temperatures between the first and the second temperature ranges.
    • 一种电气设备,包括浸渍有介电流体的导体和多孔导体绝缘体。 介电流体包括聚合物; 介质流体被构成使得聚合物分子的一部分与烃基流体或聚合物分子中的另一部分相互作用,使得介电流体在第一低温范围内的温度为 在高粘度和弹性,基本上凝胶状态;在第二较高温度范围内的升高的温度下,具有低粘度容易流动和基本上为牛顿状态; 并且介电流体的粘度在第三有限温度范围内是在低粘度状态和高粘度状态之间变化的过渡范围。 过渡范围包括第一和第二温度范围之间的温度。