Design Optimization of the Electromagnetic Turnout by Using a Compensation Coil

The creating of the ideal turnout switch for a highly branched Maglev system is still a challenging task, because the turnout is one of the most important and indispensable devices involved in the Maglev system. The unmovable electromagnetic turnout can easily move the Maglev vehicles running one wa...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2021-11, Vol.31 (8), p.1-4
Main Authors: Gerasimenko, Anastasiia Alexandrovna, Li, Haitao, Korchagin, Vadim Olegovich, Peng, Can, Wang, Xuanbo, Deng, Zigang
Format: Article
Language:English
Subjects:
Coils
Compensation
Design improvements
Design optimization
electromagnet
electromagnetic field
Electromagnetic induction
electromagnetic turnout switch
Electromagnetics
Electromagnets
Equivalent circuits
Force
High temperature
HTS Maglev
Magnetic circuits
Magnetic cores
Magnetic flux
Magnetic induction
Magnetic levitation
Magnetic levitation vehicles
Magnetic poles
Magnetism
Permanent magnets
Superconducting magnets
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Summary:The creating of the ideal turnout switch for a highly branched Maglev system is still a challenging task, because the turnout is one of the most important and indispensable devices involved in the Maglev system. The unmovable electromagnetic turnout can easily move the Maglev vehicles running one way to another, by replacing the permanent magnets (PMs) with electromagnets. But there is still a difference between the normal permanent magnet guideway (PMG) and the area of the turnout switch, which cannot be used in real operation at high speeds. Thus, this paper introduces the possible way to improve the design optimization of the electromagnet used in the electromagnetic turnout of the high temperature superconducting (HTS) Maglev systems. In particular, the use of a compensation coil between magnetic poles was suggested and proved. An equivalent circuit of the electromagnet with compensation coil was built, the criteria for the identity of the magnetic circuit are used to compare with the proposed variant. The parameters of the magnetic field in the electromagnet were calculated and the graph of the magnetic induction was given. Consequently, further direction for improving the electromagnet was described which means this work provides valuable references for the future ideal design of the electromagnet as a crucial element of an electromagnetic turnout for Halbach PMG.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2021.3091070