驱动电机空载电流测量结果的不确定度分析  

Analysis of the Uncertainty of the Drive Motor’s Empty Current

作　　者：未倩倩 戴铭 WEI Qian-qian;DAI Ming(CATARC New Energy Vehicle Test Center(Tianjin)Co.,Ltd.,Tianjin 300300,China)

机构地区：[1]中汽研新能源汽车检验中心(天津)有限公司,天津300300

出　　处：《汽车电器》2022年第4期80-81,84,共3页Auto Electric Parts

摘　　要：采用功率分析仪直接测量的方法测定驱动电机规定空载电压下的空载电流典型值,应用测量不确定的评定方法,统计分析了测量过程中的不确定度来源,运用数学模型,对空载电流的测量结果进行不确定度评定,得出分析结果的置信区间为[3.03A,3.07A]。The typical value of no-load current under no-load voltage specified by driving motor was measured by power analyzer. The uncertainty sources in the measurement process are statistically analyzed by using the evaluation method of measurement uncertainty. The uncertainty of the measurement results of no-load current is evaluated by using mathematical model, and the confidence interval of the analysis results is [3.03A,3.07A].

关 键 词：不确定度 驱动电机 空载电流 

分 类 号：U463.6[机械工程—车辆工程]