NDLI: The Dynamic Characteristics of the HTS Bulk Superconducting Actuator Driven With AC Electromagnets

Content Provider	IEEE Xplore Digital Library
Author	Kim, S.B. Inoue, D. Joo, J.H. Uwani, Y.
Copyright Year	2002
Abstract	Electric device applications of a high temperature superconducting (HTS) bulk magnet, having stable levitation and suspension properties due to their strong flux pinning force, has been proposed and developed. We have been investigating a three-dimensional (3-D) superconducting actuator using HTS bulks to develop a non-contract transportation device that moves freely in space. It is expected that our proposed 3-D superconducting actuator will be useful as a transporter used in a clean room where silicon wafers which dislike mechanical contact and dust are manufactured. The proposed actuator consists of an HTS bulk (trapped magnetic field by field cooling method) magnet for the mover and two-dimensional arranged multi-pole electromagnets as the stator. Up to now, the electromagnets consisted with ironed cores and copper coils were used as a stator, and each electromagnet was individually controlled using DC supplies. The movement of HTS bulk (mover) was not smooth because of the DC control. In this paper, the new electromagnets driven with AC control were proposed to improve the moving characteristics of the bulks. The characteristics of horizontal movement by newly proposed system will be presented.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1519
Ending Page	1522
Page Count	4
File Size	1060059
File Format	PDF
ISSN	10518223
Volume Number	21
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	High temperature superconductors Superconducting magnets Coils Magnetic cores Magnetic levitation Magnetic resonance imaging superconducting actuator High temperature superconducting (HTS) bulk magnet multi-pole electromagnets
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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