摘要
电子式互感器现场误差测试是智能变电站试验中的一个重要项目。阐述了对于二次输出为数字量的电子式互感器,采用绝对测量方法,即将标准互感器的模拟输出经标准信号转换或A/D采样,与被测电子式互感器的输出进行比较,由计算机专用校验软件对采样数据进行分析,完成被测电子式互感器现场误差测试。认真分析现场误差校验中存在的现有的计量检定规程不全面、电子式互感器校验仪无法溯源等问题,并提出了建议,对于智能变电站电子式互感器现场校验工作有参考作用。
The on-site error measurement of electronic transformer is important for smart substation testing. The paper describes using absolute measurement completes error measurement of electronic transformer what secondary output is digital, that is analog output of standard transformer by the standard signal conversion or the A/D sampling, compared with output of the other electronic transformer,and the sampling data is analyzed by computer verification software. It analysis some problem on-site error verification, for example existing verification procedures are not comprehensive and calibrator of electronic transformer cannot is traceable, and give some propose, what is useful reference for on-site calibration work of smart substation electronic transformer.
出处
《电子测量技术》
2013年第7期83-86,共4页
Electronic Measurement Technology
关键词
电子式互感器
现场校验
误差测量
智能变电站
electronic instrument transformer, on-site verification, error measurement
smart transformer substation
