现代电子技术2017，Vol.40Issue(24)：154-159,6.DOI:10.16652/j.issn.1004-373x.2017.24.048
直流OCT与FOCT的误差特性分析和比较
Error characteristic analysis and comparison of DC OCT and FOCT
摘要
Abstract
To understand the error characteristics of OCT and FOCT,the basic principles and typical structures of OCT and FOCT are introduced. For the OCT and FOCT in five-terminal flexible DC power transmission system in Zhoushan,a test method suitable for field calibration is proposed. The corresponding field calibration test platform was established and the field calibration tests of OCT in Zhouqu station as well as FOCT in Zhousi station and Zhouyang station were completed. According to the field calibration results,the error characteristics of OCT and FOCT are analyzed and compared:the long-term stability and the linearity of OCT are better than that of FOCT;the basic error curve of OCT changes monotonically while the basic error curve of FOCT is S-shaped,and the error variation of both decreases with the increase of current;OCT has almost no zero drift, but FOCT has a large zero drift. The research results in this paper have a certain reference value to the operation and mainte-nance of OCT and FOCT.关键词
OCT/FOCT/误差特性/现场校准/长期稳定性/零点漂移Key words
OCT/FOCT/error characteristic/field calibration/long-term stability/zero drift分类
信息技术与安全科学引用本文复制引用
李登云,李鹤,熊魁,姚力,徐韬,范佳威..直流OCT与FOCT的误差特性分析和比较[J].现代电子技术,2017,40(24):154-159,6.基金项目
国网公司科技项目(JL71-15-042) （JL71-15-042）
