NDLI: Locating partial discharge sources in propulsion coils of superconducting Maglev systems using an on-board radio interferometer system

Content Provider	IEEE Xplore Digital Library
Author	Kawada, M. Suzuki, M. Ikeda, R. Ota, S.
Copyright Year	2015
Description	Author affiliation: Inst. of Technol. & Sci., Univ. of Tokushima, Tokushima, Japan (Kawada, M.) \|\| Yamanashi Maglev Test Center, Railway Tech. Res. Inst., Tokyo, Japan (Suzuki, M.) \|\| Maglev Syst. Technol. Div., Railway Tech. Res. Inst., Tokyo, Japan (Ikeda, R.; Ota, S.)
Abstract	Propulsion coils are used for propelling vehicles in superconducting magnetic levitation (Maglev) systems. This paper presents experimental results for finding a propulsion coil with defects by using an on-board radio interferometer system. In the experiments, the antennas of the radio interferometer system were mounted on a mock-up of the body of Maglev vehicle; considering the real operation of Maglev systems, levitation-guidance coils were arranged in front of the propulsion coils attached to the sidewall of a short-sized concrete guideway. A generalized cross correlation (GCC) was embedded in the radio interferometer system in order to estimate the time delay between signals received with the antennas with higher accuracy. The experimental results demonstrated that the propulsion coil with defects placed behind the levitation-guidance coils can be found by using the on-board radio interferometer system.
Starting Page	424
Ending Page	429
File Size	1803487
Page Count	6
File Format	PDF
ISBN	9781479973521
e-ISBN	9781479973545
DOI	10.1109/ICACACT.2014.7223602
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency measurement Size measurement Antennas Propulsion Superconducting coils Conductors Antenna measurements on-board radio interferometer system superconducting Maglev ground coil propulsion coil partial discharge
Content Type	Text
Resource Type	Article

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