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    • 4. 发明申请
    • APPARATUS AND METHOD FOR MEASURING THE DISSIPATION FACTOR OF AN INSULATOR
    • 用于测量绝缘体释放因子的装置和方法
    • US20130107410A1
    • 2013-05-02
    • US13806763
    • 2011-06-22
    • Stefano RolliGianpaolo De RobertisStefano SerraGian Carlo Montanari
    • Stefano RolliGianpaolo De RobertisStefano SerraGian Carlo Montanari
    • G01R27/26H02H1/00H02H3/20
    • G01R27/2694H02H1/00H02H3/20
    • An apparatus (1) for measuring the loss factor of an insulator (2) for medium or high voltages, equipped with a tap adapter (3) forming a point for picking up an electrical signal (4), comprises: a reference capacitor (9) having a first electrode (10), which can be connected to the tap adapter, and a second electrode (11); a first voltage detection module (12) operatively connected to the first electrode (10) of the reference capacitor (9) for detecting a signal representative of the voltage applied to the reference capacitor (9); an active electronic device (13) connected to earth and to the second electrode (11) of the reference capacitor (9) and configured to keep the potential of the second electrode (11) at a predetermined reference value; a second voltage detection module (14) operatively connected to an output of the active electronic device (13) in order to detect a signal representative of the electric current that flows through the reference capacitor (9).
    • 一种用于测量中等或高压绝缘体(2)的损耗因子的装置(1),其配备有形成用于拾取电信号(4)的点的分接适配器(3),包括:参考电容器(9) )具有能够连接到分接头适配器的第一电极(10)和第二电极(11); 第一电压检测模块(12),可操作地连接到参考电容器(9)的第一电极(10),用于检测代表施加到参考电容器(9)的电压的信号; 连接到地和与参考电容器(9)的第二电极(11)并且被配置为将第二电极(11)的电位保持在预定参考值的有源电子器件(13) 第二电压检测模块(14),可操作地连接到有源电子装置(13)的输出端,以便检测表示流过参考电容器(9)的电流的信号。