电力变压器直流电阻测试方法和特点

Measuring Method for DC Resistance of Power Transformer And Its Features

变压器直流电阻测试是变压器出厂及预防性试验的主要项目之一 ,本文主要介绍了变压器直流电阻快速测试的各种方法 ,并比较了其优缺点及现场适用性。

Measurement of DC resistance of power transformers is one of the important items of delivery tests in factories and prevention tests in utilities. This paper mainly introduces all kinds of quick measurements of power transformer DC resistance, and compares their advantages, disadvantages and adaptation to the fields.