用电流平衡法带电测量耦合电容器的电容量和介质损耗

Measurement of Capacitance and Dielectric Loss of Coupling Capacitor under Operating Voltage by Means of Current Balance Method

介绍用“电流平衡法”带电测试耦合电容器的电容量 Cx 和介质损耗 tanδx 的原理、方法、注意事项及结果 .说明这种测量方法简便 ,易于推广 ,测试准确 。

The present paper introduces principle, method and result of 'current balance method', which is used to measure capacitance Cx and dielectric loss tanδ of coupling capacitor under the operating voltage. The measurement method proves to simple and convenient with good test accuracy. Insulation defect can be accurately monitored.