大截面铝导体电缆导体直流电阻测量不确定度评定与分析  

Evaluation and Analysis of Measurement Uncertainty of DC Resistance of Large Cross-sectional Area Aluminum Conductor Cable

作　　者：谢莉杰 XIE Lijie

机构地区：[1]福建省产品质量检验研究院

出　　处：《计量与测试技术》2022年第6期108-110,共3页Metrology & Measurement Technique

摘　　要：本文根据GB/T 3048.4-2007规定的试验方法,对大截面铝导体电缆进行导体直流电阻测试。建立测量模型,分析大截面铝导体直流电阻测量不确定度的主要来源,对其测量不确定度进行了评定,并对影响分量进行分析。对电缆其他测试项目的不确定度评定具有一定的参考价值。According to the test method specified in GB/T 3048.4-2007,the conductor DC resistance of large cross-sectional area aluminum conductor cable is tested.By establishing a measurement model,the main sources of uncertainty of DC resistance of large cross-sectional area aluminum conductor are analyzed,and the measurement uncertainty is evaluated,while the influence components are analyzed.This paper has a certain reference value for the uncertainty evaluation of other cable test items.

关 键 词：大截面 铝导体 导体电阻 不确定度 评定 

分 类 号：TM934.12[电气工程—电力电子与电力传动]