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    • 7. 发明公开
    • Self-healing capacitors
    • Selbstheilende Kondensatoren。
    • EP0038890A2
    • 1981-11-04
    • EP80304297.7
    • 1980-11-28
    • Cornell-Dubilier Electronics Inc.
    • Hu, Jerry Shiao-Chung
    • H01G4/24
    • H01G4/015H01G4/32
    • A wound capacitor comprises two insulating films 10 and 12 alternating with two electrodes. Each electrode comprises a metallized area 14,16 leaving free margins m on the opposition edges of the insulating films respectively. Metal foils 18 and 20 overlie part of the widths of the metallized films extending in from opposite edges a little less than half the strip width. Accordingly there is no foil overlap and self. healing can occur by metallized film vapourization. However the contact of the metal foil strips with nearly half of the metallized films, providing low resistance, substantially reduces displacement current heating in the metallized films. Heavy terminals are bonded to the metal foil edges at the ends of the roll.
    • 缠绕电容器包括与两个电极交替的两个绝缘膜10和12。 每个电极包括金属化区域14,16,分别在绝缘膜的相对边缘上留下空隙。 金属箔18和20覆盖从相对边缘延伸的金属化膜的宽度的一部分稍小于带宽的一半。 因此,没有箔重叠,并且可以通过金属化膜蒸发发生自愈。 然而,金属箔带与几乎一半金属化膜的接触提供低电阻,基本上减少了金属化膜中的位移电流加热。 重型端子在辊的端部与金属箔边缘接合。