NDLI: High output power reluctance electric motors with bulk HTS elements

Content Provider	IEEE Xplore Digital Library
Author	Kovalev, L.K. Ilushin, K.V. Penkin, V.T. Kovalev, K.L. Larionoff, A.E. Koneev, S.M.-A. Modestov, K.A. Larionoff, S.A. Poltavets, V.N. Akimov, I.I. Alexandrov, V.V. Gawalek, W. Oswald, B. Krabbes, G.
Copyright Year	2001
Description	Author affiliation: Moscow State Aviation Inst., Russia (Kovalev, L.K.)
Abstract	New types of electric machines with the rotors containing bulk HTS (YBCO and Bi-Ag) elements are presented. Different schematics of hysteresis, reluctance, "trapped field" and composed synchronous HTS machines are discussed. The two-dimensional mathematical models describing the processes in such types of HTS machines were developed on the basis of the theoretical analysis of the electrodynamic and hysteresis processes in the single-domain and policrystal YBCO ceramic samples and plate shape Bi-Ag elements. The test results of the series of hysteresis, reluctance, "trapped field" and composed with permanent magnet HTS motors with output power rating 0.1-18 kW and current frequency 50 Hz and 400 Hz are given. These results show that in the media of liquid nitrogen the specific output power per one weight unit of HTS motors is 4-7 times better then for conventional electric machines. Comparison of the theoretical and experimental characteristics of the developed HTS motors show that they are in good agreement. The test results for liquid nitrogen cryogenic pump system with hysteresis 500 W HTS motor are discussed. Several designs of new HTS motors operating in the media of liquid nitrogen with output power 125 kW (and more) and power factor more then 0.8 are described. Future applications of new types of HTS motors for aerospace technology, on-land industry and transport systems are discussed.
Sponsorship	China Electrotech. Soc.(CES)
Starting Page	929
Ending Page	933
File Size	555052
Page Count	5
File Format	PDF
ISBN	7506251159
DOI	10.1109/ICEMS.2001.971831
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-08-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	International Academic Publishers/World Publishing Corporation
Subject Keyword	Power generation Electric motors High temperature superconductors Hysteresis motors Reluctance motors Synchronous motors Nitrogen Electric machines Yttrium barium copper oxide Permanent magnet motors
Content Type	Text
Resource Type	Article

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