ON-SITE CALIBRATION SYSTEM FOR ISOLATION CURRENT TRANSFORMERS

被引：0
|
作者：
Mohns, E. [1 ]
机构：
[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany
来源：
2010 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS CPEM | 2010年
关键词：
D O I：
暂无
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：
An on-site calibration system for three-phase isolation current transformers is described. It is based on precise power comparators which are shipped to the customer. Measurements can be done at test currents up to 120 A. The measurement uncertainties of the self-calibrating measurement system are in the order of 0.005 % for the ratio error and 0.01 crad for the phase displacement at power frequencies.
引用
收藏
页码：139 / 140
页数：2
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