Method for the Calibration of Cryogenic Current Comparator Ratios

被引：0
|
作者：
Lu, Yunfeng [1 ]
Zhao, Jianting [1 ]
He, Qing [1 ]
机构：
[1] Natl Inst Metrol, Beijing 100029, Peoples R China
来源：
2020 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS (CPEM) | 2020年
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
Measurement; calibration method; winding ratio; CCC;
D O I：
10.1109/cpem49742.2020.9191884
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper describes a method for calibrating binary Cryogenic Current Comparator(CCC) winding ratios. The method,described as a step-up technique, involves calibrating the CCC winding first on a 1:1 ratio. By adding an additional 1-turn as a reference,the comparison of two 1-turn windings can be realized, then the two 1-turn windings are added and compared to the 2-turns winding. This process continues until the 2(n)-turns winding is checked. The CCC ratio error and its uncertainty are also analyzed in this paper. Preliminary experiment shows that the ratio 400(2(8)+2(7)+2(4)):4(2(2)) error is below 5 part in 10(11).
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页数：2
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