电线电缆导体直流电阻测量不确定度来源分析

Source Analysis of the Uncertainty of Measuring Cable Conductor DC Resistance

导体直流电阻是电线电缆电气性能指标检测中最重要的一个环节,随着线缆行业的发展,对其测量的准确性也提出了越来越高的要求。文章过对电线电缆导体直流电阻测量不确定度的来源进行了分析,并提出降低测量不确定度的措施,以提高测量的准确度。

The DC resistance of conductor is the most important aspect to reflect the electrical performance of wire and cable.With the development of the cable industry,higher requirements are put forward for the accuracy of its measurement.Through analyzing the source for the uncertainty of measuring DC resistance of conductor in this article,measures to reduce the uncertainty of measurement were put forward to improve the accuracy of measurement.