Development of optical fiber current transformer for DC railway power system

被引：0

作者：

Technical Center, R and D Center of JR East Group, 2-0, Nisshin, Saitama-shi, Saitama 331-8513, Japan ^{[1
]}

不详 ^{[2
]}

不详 ^{[3
]}

不详 ^{[4
]}

不详 ^{[5
]}

不详 ^{[6
]}

不详 ^{[7
]}

机构：

[1] Technical Center, R and D Center of JR East Group, Saitama-shi, Saitama 331-8513, 2-0, Nisshin

[2] Hitachi Cable Takasago Works, Hitachi-shi, Ibaraki 319-1418, 880, Isagozawa-cho

[3] Kokubu Works, Hitachi, Hitachi-shi, Ibaraki 316-8501, 1-1-1, Kokubu-cho

[4] Power Supply Technology Division, RTRI, Kokubunji-shi, Tokyo 185-8540, 2-89-38, Hikari-cho

来源：

IEEJ Trans. Electron. Inf. Syst. | 2006年 / 6卷 / 736-743+8期

关键词：

Current transformer; DC railway system; Faraday effect; Hall CT; Optical fiber CT;

D O I：

10.1541/ieejeiss.126.736

中图分类号：

学科分类号：

摘要：

A novel DC current transformer (CT) based on the Faraday Effect has developed for DC railway power system. The advantages of the developed optical fiber CT are simple and light structure, easiness to handle and robustness to the external magnetic field caused by the adjacent electric current. The basic characteristics of the optical fiber CT are confirmed and compared with those of the conventional Hall CT and saturable reactor CT. Through the fired test and DC short circuit test, it is shown that the optical fiber CT realizes enough response and enough resolution for the practical application. Furthermore, its strong robustness to the external magnetic field is experimentally confirmed.

引用

页码：736 / 743+8

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