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Design and analysis of a new HTS double-stator doubly fed wind generator
Liu, Yulong1; Niu, Shuangxia1; Ho, S.L.1; Fu, W.N.1; Ching, T.W.2
2015-06-01
Source PublicationIEEE Transactions on Applied Superconductivity
ISSN10518223
Volume25Issue:3
Abstract

With the advent of high-temperature superconducting (HTS) materials, increasing attention is given to HTS machines, which have good application potentials in large wind turbine systems. In theory, HTS machines can be much more compact than conventional machines, by virtue of the large excitation current and high efficiency of the former, because the losses in the superconducting wires are virtually zero. In this paper, a novel 3-MW HTS double-stator doubly fed synchronous machine is proposed for wind power generation. The key of the proposed generator is that the magnetic field produced by the dc superconducting field coils in the inner stator is modulated by the rotating iron poles, and the resultant field will finally interact with the magnetomotive force produced by the ac armature windings in the outer stator to produce a constant magnetic torque in the rotor. The main advantage of this doubly fed machine is that the superconducting field coils are stationary. Hence, the cryostat and the exciter are also stationary, which significantly simplifies the cooling and excitation systems. Due to the flexibly controllable excitation current, the generator can have a constant voltage output when the wind speed varies. The performance of the proposed machine is analyzed using the finite-element method. © 2002-2011 IEEE.

KeywordDouble-stator Doubly Fed Electric Machine Finite-element Method (Fem) High-temperature Superconducting (Hts) Magnetic Field Wind Power
DOI10.1109/TASC.2014.2366458
Language英语
WOS Research AreaEngineering ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Physics, Applied
WOS IDWOS:000368729800001
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
The Source to ArticleEngineering Village
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Cited Times [WOS]:6   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Affiliation1.Hong Kong Polytechnic University, Kowloon, Hong Kong;
2.University of Macau, Macau, China
Recommended Citation
GB/T 7714
Liu, Yulong,Niu, Shuangxia,Ho, S.L.,et al. Design and analysis of a new HTS double-stator doubly fed wind generator[J]. IEEE Transactions on Applied Superconductivity,2015,25(3).
APA Liu, Yulong,Niu, Shuangxia,Ho, S.L.,Fu, W.N.,&Ching, T.W..(2015).Design and analysis of a new HTS double-stator doubly fed wind generator.IEEE Transactions on Applied Superconductivity,25(3).
MLA Liu, Yulong,et al."Design and analysis of a new HTS double-stator doubly fed wind generator".IEEE Transactions on Applied Superconductivity 25.3(2015).
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