一起电流互感器介损试验结果异常情况及分析

Analysis on Abnormal Result of a Current Transformer Dielectric Loss Test

试验现场有许多因素会影响高压试验的结果,造成试验结果与实际情况不符,影响试验人员对设备情况的判断。以一起工作中遇到的油浸式电流互感器介损数据异常为例,叙述了现场查找试验数据异常原因的过程,从理论上分析了造成此次试验结果异常的原因,提出了避免和解决高压试验中类似问题的措施。

Many factors in the testing site will impact the result of high-voltage tests causing errors of the high-vohage test result and the incorrect estimation of equipment. Taking an abnormal test data of oil-immersed current transformer as example, the process of finding the reason of abnormal test data is described. Through analysis on the reason of the abnormal test data, some solutions to prevent similar accident are also provided.