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Design of Damper to Protect the Field Coil of an HTS Synchronous Motor

Authors
Kim, H. M.Yoon, Y. S.Kwon, Y. K.Kim, Y. C.Lee, S. H.Hong, J. P.Song, J. B.Lee, H. G.
Issue Date
Jun-2009
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Damper; design parameter; HTS field coil; HTS synchronous motor; stator coil
Citation
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, v.19, no.3, pp.1683 - 1686
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume
19
Number
3
Start Page
1683
End Page
1686
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/119971
DOI
10.1109/TASC.2009.2017842
ISSN
1051-8223
Abstract
High Temperature Superconducting (HTS) synchronous motors consist mainly of rotational (HTS coil) and stationery (copper coil) parts. The HTS coil running at a synchronous speed is not influenced by the magnetic field generated by the stator coil but is affected considerably at the initial or transient operation. Therefore, computational analysis to determine the optimal design of the damper is an important factor in protecting the field coil of a HTS synchronous motor. This paper presents the optimal design parameters of the damper for a 5 MW HTS synchronous motor using the computational analysis of the transient characteristics of the stator current, which is proportional to the alternating magnetic field of the stator coil.
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