NDLI: An Update High-Temperature Superconducting Maglev Measurement System

Content Provider	IEEE Xplore Digital Library
Author	Suyu Wang Jiasu Wang Changyan Deng Yiyu Lu Youwen Zeng Honghai Song Haiyu Huang Hua Jing Yonggang Huang Jun Zheng Xingzhi Wang Ya Zhang
Copyright Year	2002
Abstract	An update high temperature superconducting Maglev measurement system (SCML-02) was successfully developed. The system includes liquid nitrogen vessel, cylinder permanent magnet (PM) or PM guideway (PMG), data collection and processing, mechanical drive and autocontrol. The liquid nitrogen vessel with high temperature superconductors (HTSCs) can be placed above or under the PM. This measurement system has other characteristics: high measurement precision, instant measurement at movement of the measured HTSCs specimen, synchronous measurement of levitation and guidance, measurement in three dimensions at one time, relaxation measurement of both levitation and guidance force, and so on. In order to calibrate measurement precision and to verify special function of SCML-02, two cylinder PMs are used, which have the same scale and technical specification. The Maglev properties of HTSCs YBCO bulk are measured on the basis of the calibration results of SCML-02. The levitation forces of single YBCO bulk and of seven YBCO bulks above PMG are measured by SCML-02. All functions are validated experimentally. The main specification of the measurement system is: position precision plusmn 0.05 mm; vertical force precision 2%c; horizontal force precision 1%c. The force measurement precision has achieved 0.02 N
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	2067
Ending Page	2070
Page Count	4
File Size	969603
File Format	PDF
ISSN	10518223
Volume Number	17
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-01
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 Magnetic levitation Force measurement Time measurement Yttrium barium copper oxide Superconducting magnets Temperature measurement Nitrogen Motion measurement Permanent magnets YBCO bulk High-temperature superconductors Maglev measurement equipment measurement technology
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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