高压实验室用CVT的设计

Design of Capacitive Voltage Transformer for High Voltage Laboratory

通过设计实例,分析阐述了电容式电压互感器在实验室工频高压测量中的独特优点,并就分压器,中间变压器、补偿电抗器、阻尼器等的选取进行了说明。文章认为电容式电压互感器在实验室中用于测量工频高压,能在较宽电压范围内以及较大负载范围内满足准确度的要求。具有电压范围宽、负荷能力强、仪表适应性广等优点。

In this paper, the unique advantages of capacitive voltage transformer in the power frequency high voltage measurement in the laboratory are analyzed and described through real design example and the selection is introduced for voltage divider, intermediate transformer, compensation reactor and damper etc. It is thought in this paper that the capacitive voltage transformer used in laboratory is to measure power frequency high voltage and it can meet the accuracy requirement within a wider voltage range and a bigger load range. It has such advantages as wide voltage range, strong load capacity and wide instrument adaptability.