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Standard
GB/T 20840.5-2013 Instrument transformers—Part 5:Additional requirements for capacitor voltage transformers (English Version) |
Detail of GB/T 20840.5-2013
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Introduction of GB/T 20840.5-2013
GB20840的本部分适用于新制造的线对地的单相电容式电压互感器,其设备最高电压Um≥72.5kV,频率为15Hz~100Hz。它们为测量、控制和继电保护装置提供低电压。
电容式电压互感器可以装载波附件,用于载波频率为30kHz~500kHz的电力线路载波(PLC)系统。
耦 合电容器及电容分压器的基本要求按照GB/T19749。电力线载波(PLC)结合设备的传输要求按照GB/T7329。
测量功能包括指示测量和计费测量。
Contents of GB/T 20840.5-2013