Measuring the Voltage Dependence of Current Transformers

被引：1
|
作者：
van Leeuwen, Ronald [1 ]
van den Brom, Helko [1 ]
Rietveld, Gert [1 ]
Houtzager, Ernest [1 ]
Hoogenboom, Dennis [1 ]
机构：
[1] VSL, Delft, Netherlands
来源：
2020 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS (CPEM) | 2020年
关键词：
Current measurement; current transformers; measurement standards; precision measurements;
D O I：
10.1109/cpem49742.2020.9191845
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：
A setup has been developed to determine the voltage dependence of the ratio error and phase displacement of current transformers (CTs) used for medium- or high-voltage (HV) applications. A shielded HV cable is used to protect the reference CT for the voltage applied to the CT under test. As a first step, a method was developed to determine and correct for the effect of the leakage current through this cable on the ratio error and phase displacement of the reference CT for voltages up to 24 kV.
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页数：2
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