浅析耐电压测试仪校准结果不确定度分析  

Uncertainty analysis of calibration results of withstand voltage tester

作　　者：杨跃武 卜祥强 YANG Yuewu;BU Xiangqiang(Luoyang Quality Measurement and Testing Center,Luoyang 471000,China)

机构地区：[1]洛阳市质量计量检测中心,河南洛阳471000

出　　处：《电子设计工程》2023年第17期100-103,共4页Electronic Design Engineering

摘　　要：耐电压测试仪是一种高精度电压测量仪器,很多和电器相关的生产企业都要用到耐电压测试仪进行耐压测试,确保产品的可靠性。文中通过对耐电压测试仪的介绍,在大量实践基础上,详细叙述了耐电压测试仪校准过程和注意事项,分析了耐电压测试仪不确定度的来源,分别用A类和B类不确定度评定了标准不确定度分量,计算了合成标准不确定度和扩展不确定度,得出了1 kV时扩展不确定度为0.011 kV,并对测量结果进行了分析,对于以后的测量工作有指导意义。Voltage withstand tester is a high⁃precision voltage measurement instrument that many electrical related production enterprises use for voltage withstand testing to ensure product reliability.This paper introduces the withstand voltage tester and describes in detail the calibration process and precautions of the withstand voltage tester on the basis of a large number of practices,analyzes the source of the uncertainty of the withstand voltage tester,the standard uncertainty components are evaluated by using Class A and Class B uncertainties respectively,the synthetic standard uncertainty and extended uncertainty are calculated,the extended uncertainty is calculated to be 0.011 kV at 1 kV,and analyzes the measurement results which is of guiding significance for the future measurement work.

关 键 词：耐电压测试仪 校准 标准不确定度 扩展不确定度 

分 类 号：TN98[电子电信—信息与通信工程]