A new hybrid current sensor for high-voltage applications

被引：29
|
作者：
Bull, JD [1 ]
Jaeger, NAF
Rahmatian, F
机构：
[1] Univ British Columbia, Dept Elect & Comp Engn, Vancouver, BC V6T 1Z4, Canada
[2] NxtPhase Corp, Vancouver, BC V5M 1Z4, Canada
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2005年 / 20卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
current measurement; electro-optic measurements; frequency response; high-voltage techniques; integrators; transient response;
D O I：
10.1109/TPWRD.2004.833889
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 article presents a new hybrid electro-optic/inductive current sensor for metering and protective relaying applications. The-sensor combines a Rogowski coil with a passive integrator located in the high-voltage environment. An integrated-optic Pockels cell (IOPC) having integrated electrodes provides optical isolation. Test results from 30 A to 30 kA show the sensor to be highly linear, exceeding 0.2% linearity standards. Temperature cycling tests show the ratio error to have a maximum value, of 0.3% over the -30 to +70 degreesC range.
引用
收藏
页码：32 / 38
页数：7
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