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The Development of Power Supply for Negative Ion Source Extraction Grid
Hu, Chun-Dong1,2; Huang, Mei-Chu1,2; Jiang, Cai-Chao1,2; Xie, Ya-Hong3; Wei, Jiang-Long3; Liang, Li-Zhen3; Zhao, Yuan-Zhe3; Chen, Shi-Yong3; Xie, Yuan-Lai3
2018-05-01
Source PublicationIEEE TRANSACTIONS ON PLASMA SCIENCE
ISSN0093-3813
Volume46Issue:5Pages:1699-1703
Abstract

The extraction grid power supply (EGPS) is important for neutral beam injection of tokamak, which is used to extract the negative ions from the plasma source. A set of power supply with pulse step modulation topology at 16 kV/20 A has been designed for the negative ions extraction at the Institute of Plasma Physics, Chinese Academy of Sciences, which meets the requirements of fast dynamics, low ripple, and good output operation. The development of EGPS is presented in this paper. Two different voltage ratings and series-connected switched power supply (SPS) modules are fed from multisecondary transformer. Insulated-gate bipolar transistors are applied to the switch of SPS module. Rise time and fall time of EGPS out voltage can be set from few microseconds to milliseconds. When the overcurrent occur, the output voltage falls to zero less than 5 mu s. The dynamic performance tests with dummy load of EGPS are presented. The testing results indicate that the power supply meets the demands of negative ions extraction. The design provides a foundation for the next phase of extraction experimental operation for radio frequency ion source.

KeywordExtraction grid power supply (EGPS) negative ion source pulse step modulation (PSM) switch power supply (SPS) module
DOI10.1109/TPS.2018.2797891
WOS KeywordSYSTEM ; DESIGN ; NBI
Indexed BySCI
Language英语
Funding ProjectKey Program of Research and Development of Hefei Science Center, CAS[2016HSC-KPRD002] ; National Natural Science Foundation of China[11505224] ; National Natural Science Foundation of China[11505225] ; International Science and Technology Cooperation Program of China[2014DFG61950]
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas
WOS IDWOS:000431521700102
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/35632
Collection中科院等离子体物理研究所
Corresponding AuthorJiang, Cai-Chao
Affiliation1.Chinese Acad Sci, Inst Plasma Phys, Neutral Beam Inject Div, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Hu, Chun-Dong,Huang, Mei-Chu,Jiang, Cai-Chao,et al. The Development of Power Supply for Negative Ion Source Extraction Grid[J]. IEEE TRANSACTIONS ON PLASMA SCIENCE,2018,46(5):1699-1703.
APA Hu, Chun-Dong.,Huang, Mei-Chu.,Jiang, Cai-Chao.,Xie, Ya-Hong.,Wei, Jiang-Long.,...&Xie, Yuan-Lai.(2018).The Development of Power Supply for Negative Ion Source Extraction Grid.IEEE TRANSACTIONS ON PLASMA SCIENCE,46(5),1699-1703.
MLA Hu, Chun-Dong,et al."The Development of Power Supply for Negative Ion Source Extraction Grid".IEEE TRANSACTIONS ON PLASMA SCIENCE 46.5(2018):1699-1703.
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