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    • 9. 发明授权
    • Capacitive voltage transformer
    • 电容式电压互感器
    • US06727791B2
    • 2004-04-27
    • US10309211
    • 2002-12-04
    • Youdong ZhouDecai Wang
    • Youdong ZhouDecai Wang
    • H01F2102
    • G01R15/06H01F27/40H01F30/10
    • A capacitive voltage transformers for distribution of the power from 10 kv high potential line, includes a insulating column with a high potential terminal, a ground terminal and capacitors C1 and C2 in series connection. The column is filled with oilless dry filler. The capacitors C1 and C2 formed by a plurality of separated metallized film capacitors respectively in series or in parallel connection. At the tapping point between the capacitors there is a leading-out terminal of the secondary voltage which is connected to an induction transformer L in parallel. The transformer includes a frame with “C” shaped iron cores and windings wound around the cores. There is an over-voltage protector P connected in parallel between the tapping point and ground. A capacitive voltage divider is integrally combined with the transformer to provide a small volume, low cost device with a savings in materials.
    • 用于从10kv高电位线分配功率的电容式电压互感器包括具有高电位端子的绝缘柱,接地端子和串联连接的电容器C1和C2。 该柱填充无油干填料。 由多个分离的金属化薄膜电容器分别串联或并联形成的电容器C1和C2。 在电容器之间的分接点处,存在二次电压的引出端子,其与感应电压变压器L并联连接。 变压器包括具有“C”形铁芯的框架和缠绕在芯上的绕组。 在点火点和地面之间并联有过电压保护器P。 电容式分压器与变压器整体组合,以提供小体积,低成本的器件,节省材料。