A fail-safe thin-film current sensor using a flux saturable ring core

Y. Fujiyama; Y. Yamada; H. Kikuchi; M. Yamaguchi; K. I. Arai

doi:10.1109/20.617959

A fail-safe thin-film current sensor using a flux saturable ring core

Y. Fujiyama, Y. Yamada, H. Kikuchi, M. Yamaguchi, K. I. Arai

工学研究科・電気エネルギーシステム専攻

研究成果: Article › 査読

7 被引用数 (Scopus)

抄録

We have developed a fail-safe thin-film current sensor using a flux saturable ring core. The sensor consists of a transformer unit composed of a saturable core, primary and secondary coils, and a load coil which surrounds the transformer unit. The sensor is suitable for the purpose of a fail-safe system. The chip size is 4mm × 4mm. A transmission efficiency of 60% was obtained when the carrier signal was 3Vpp-lMHz sine wave. The secondary voltage of the sensor successfully dropped by 90% when a 100mA load current was applied to 20-tum load coil.

本文言語	English
ページ（範囲）	3406-3408
ページ数	3
ジャーナル	IEEE Transactions on Magnetics
巻	33
号	5 PART 1
DOI	https://doi.org/10.1109/20.617959
出版ステータス	Published - 1997

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
電子工学および電気工学

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10.1109/20.617959

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A fail-safe thin-film current sensor using a flux saturable ring core

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