电力电流互感器检定测量结果的不确定度评定与分析  

Evaluation and Analysis of Uncertainty in the Calibration Measurement Results of Power Current Transformers

作　　者：张永平 ZHANG Yongping(Shanxi Mechanical and Electrical Design and Research Institute Co.,Ltd.,Taiyuan 030009,China)

机构地区：[1]山西省机电设计研究院有限公司,山西太原030009

出　　处：《品牌与标准化》2024年第4期62-64,共3页

摘　　要：电力电流互感器是安装在电力系统中,用于计量与测量的工频电压信号的转换装置,它将一次大电流信号转换为标准的二次信号,为测量装置、保护装置、计量装置提供标准电流信号。本文根据电力电流互感器检定规程,采用标准互感器和被试电力电流互感器模拟比较的方法,测量被试电力电流互感器的比值差和相位差,根据测量结果来进行的不确定度评定与分析。A power current transformer is a conversion device installed in the power system for measuring and measuring power frequency voltage signals.It converts a large current signal into a standard secondary signal,providing standard current signals to measuring devices,protection devices,and metering devices.This article is based on the calibration regulations of power current transformers,using the method of comparing standard transformers and tested power current transformers through simulation to measure the ratio difference and phase difference of the tested power current transformers.The uncertainty is evaluated and analyzed based on the measurement results.

关 键 词：电力电流互感器 检定 测量结果 不确定度评定 

分 类 号：TM452[电气工程—电器]