電気学会論文誌D(産業応用部門誌)
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
特集論文
Prototype of Self-Sensing Magnetic Bearing for Liquid Nitrogen Pump
Seiji EguchiMochimitsu KomoriTaro Okuhata
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ジャーナル フリー

2006 年 126 巻 10 号 p. 1293-1297

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抄録
Recently, pumps used in extremely low temperature such as 77K are found to be necessary. They are expected to use for rocket engines and hydrogen stations for fueled vehicles. Generally, conventional magnetic bearings do not work in the extremely low temperature. Therefore, we have studied magnitic bearings for these pumps. Self-sensing technique is tried to apply to magnetic bearings. If self-sensing magnetic bearings were made, we could apply the self-sensing magnetic bearing to liquid nitrogen pumps. In this paper, we propose a prototype self-sensing magnetic bearing and study the static and dynamic characteristics. The dynamic characteristics in the air and in liquid nitrogen are also discussed.
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© 2006 by the Institute of Electrical Engineers of Japan
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