摘要
在变压器停电预试中,套管介质损耗因数(简称介损,tanδ)测试试验是发现套管绝缘缺陷的有效手段。造成介损测量结果异常的因素很多,但往往容易忽略Garton效应对介损测量的影响。本文首先结合套管介损测量的原理介绍Garton效应及其产生机理,继而以某变压器套管介损试验为实例进一步详细分析并总结,为今后试验分析提供有效的理论依据。
The dielectric loss factor(tan δ) test is an effective way to find bushing insulation defect, in the transformer preventive test. Many factors can cause abnormal results of dielectric loss measurement, but easy to overlook the influence of the Garton effect on the dielectric loss measurement. Firstly, Based on the theory of dielectric loss measurement, Garton effect and the mechanism are introduced, and then take a transformer bushing dielectric loss test for example to analysis and summary, providing theory evidence for future test analysis.
出处
《电气技术》
2014年第1期65-67,共3页
Electrical Engineering
关键词
Garton
套管
介损
高压
Garton
bushing
dielectric loss
high voltage
