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Tunable biasing magnetic field design of ferrite tuner for ICRF heating system in EAST
Xu, Manman1,2; Song, Yuntao1,2; Chen, Gen1; Zhao, Yanping1; Mao, Yuzhou1; Liu, Guang2; Peng, Zhen2
2017-11-01
Source PublicationPLASMA SCIENCE & TECHNOLOGY
Volume19Issue:11
AbstractIon cyclotron range of frequency (ICRF) heating has been used in tokamaks as one of the most successful auxiliary heating tools and has been adopted in the EAST. However, the antenna load will fluctuate with the change of plasma parameters in the ICRF heating process. To ensure the steady operation of the ICRF heating system in the EAST, fast ferrite tuner (FFT) has been carried out to achieve real-time impedance matching. For the requirements of the FFT impedance matching system, the magnet system of the ferrite tuner (FT) was designed by numerical simulations and experimental analysis, where the biasing magnetic circuit and alternating magnetic circuit were the key researched parts of the ferrite magnet. The integral design goal of the FT magnetic circuit is that DC bias magnetic field is 2000 Gs and alternating magnetic field is +/- 400 Gs. In the FTT, E-type magnetic circuit was adopted. Ferrite material is NdFeB with a thickness of 30 mm by setting the working point of NdFeB, and the ampere turn of excitation coil is 25 through the theoretical calculation and simulation analysis. The coil inductance to generate alternating magnetic field is about 7 mH. Eddy-current effect has been analyzed, while the magnetic field distribution has been measured by a Hall probe in the medium plane of the biasing magnet. Finally, the test results show the good performance of the biasing magnet satisfying the design and operating requirements of the FFT.
SubtypeArticle
KeywordEast Icrf Heating Ferrite Tuner Biasing Magnet
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNational Natural Science Foundation of China(11575237) ; National Natural Science Foundation of China(11575237) ; National Magnetic Confinement Fusion Science Program(2015GB101001) ; National Magnetic Confinement Fusion Science Program(2015GB101001) ; International Scientific and Technological Cooperation Project of Anhui(1704e1002207) ; International Scientific and Technological Cooperation Project of Anhui(1704e1002207) ; National Natural Science Foundation of China(11575237) ; National Natural Science Foundation of China(11575237) ; National Magnetic Confinement Fusion Science Program(2015GB101001) ; National Magnetic Confinement Fusion Science Program(2015GB101001) ; International Scientific and Technological Cooperation Project of Anhui(1704e1002207) ; International Scientific and Technological Cooperation Project of Anhui(1704e1002207)
DOI10.1088/2058-6272/aa8167
WOS KeywordTOKAMAK ; HT-7
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(11575237) ; National Natural Science Foundation of China(11575237) ; National Magnetic Confinement Fusion Science Program(2015GB101001) ; National Magnetic Confinement Fusion Science Program(2015GB101001) ; International Scientific and Technological Cooperation Project of Anhui(1704e1002207) ; International Scientific and Technological Cooperation Project of Anhui(1704e1002207) ; National Natural Science Foundation of China(11575237) ; National Natural Science Foundation of China(11575237) ; National Magnetic Confinement Fusion Science Program(2015GB101001) ; National Magnetic Confinement Fusion Science Program(2015GB101001) ; International Scientific and Technological Cooperation Project of Anhui(1704e1002207) ; International Scientific and Technological Cooperation Project of Anhui(1704e1002207)
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas
WOS IDWOS:000412120600011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33693
Collection中科院等离子体物理研究所
Affiliation1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Xu, Manman,Song, Yuntao,Chen, Gen,et al. Tunable biasing magnetic field design of ferrite tuner for ICRF heating system in EAST[J]. PLASMA SCIENCE & TECHNOLOGY,2017,19(11).
APA Xu, Manman.,Song, Yuntao.,Chen, Gen.,Zhao, Yanping.,Mao, Yuzhou.,...&Peng, Zhen.(2017).Tunable biasing magnetic field design of ferrite tuner for ICRF heating system in EAST.PLASMA SCIENCE & TECHNOLOGY,19(11).
MLA Xu, Manman,et al."Tunable biasing magnetic field design of ferrite tuner for ICRF heating system in EAST".PLASMA SCIENCE & TECHNOLOGY 19.11(2017).
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