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| 1 | Conceptual Design of Neutral Beam Injection System for EAST显示文摘Neutral beam injection (NBI) system with two neutral beam injections will be constructed on the Experimental Advanced Superconducting Tokamak (EAST) in two stages for high power auxiliary plasmas heating and non-inductive current drive. Each NBI can deliver 2~4 MW beam power with 50~80 keV beam energy in 10~100s pulse length. Each elements of the NBI system are presented in this contribution. | 胡纯栋 NBI Team | 2012 | Plasma Science and Technology2012，14，6： | 18 |
| 2 | The Development of a Megawatt-Level High Current Ion Source显示文摘Neutral beam injection is one of the main plasma heating methods in nuclear fusion devices. In order to support the scientific study of the Experimental Advanced Superconducting Tokamak (EAST), a megawatt-level high current ion source is designed and manufactured in the ASIPP, and the progress and preliminary test results will be presented in this paper. | 胡纯栋 谢亚红 NBI team | 2012 | Plasma Science and Technology2012，14，1： | 6 |
| 3 | 查看详情显示文摘 | Hu C D NBI team | | 0，，： | 1 |
| 4 | 查看详情显示文摘 | Hu C D NBI Team | | 0，，： | 1 |
| 5 | The Recent Development of the EAST Neutral Beam Injector显示文摘 | 胡纯栋 许永建 谢远来 刘胜 刘智民 盛鹏 谢亚红 梁立振 NBI Team | 2015 | Chinese Physics Letters2015，32，5： | 1 |
| 6 | The Timing System of the Neutral Beam Injector on EAST显示文摘In order to synchronize the elements of the EAST Neutral Beam Injector(NBI)spatially located in several places,a distributed Timing System(TS) is developed in this paper.The timing system provides a clock reference for synchronization and an interlock protection of the EAST NBI system.It sends timing signals to field devices,controls the pulse widths of the timing sequences,and provides a sampling clock for the Data Acquisition System(DAS).The timing system also generates analog waveforms to control power supplies and gas supplies according to the operator's configuration.The timing system is developed on a PXI(PCI extensions for Instrumentation) platform consisting of a Lab VIEW workstation and a timing control terminal.The timing control terminal consists of a timing node and several control interface crates.Two timing nodes are configured in one beam line.Each node is responsible for the timing sequence,analog generation and feedback control for one ion source.The architecture and implementation of the timing system are presented in this paper. | 盛鹏 胡纯栋 赵远哲 崔庆龙 张小丹 吴德云 张睿 林宇莲 NBI team | 2015 | Plasma Science and Technology2015，17，5： | 1 |
| 7 | Thermal analysis of EAST neutral beam injectors for long-pulse beam operation显示文摘Two sets of neutral beam injectors(NBI-1 and NBI-2) have been mounted on the EAST tokamak since 2014. NBI-1 and NBI-2 are co-direction and counter-direction, respectively. As with indepth physics and engineering study of EAST, the ability of long pulse beam injection should be required in the NBI system. For NBIs, the most important and difficult thing that should be overcome is heat removal capacity of heat loaded components for long-pulse beam extraction. In this article, the thermal state of the components of EAST NBI is investigated using water flow calorimetry and thermocouple temperatures. Results show that(1) operation parameters have an obvious influence on the heat deposited on the inner components of the beamline,(2) a suitable operation parameter can decrease the heat loading effectively and obtain longer beam pulse length, and(3) under the cooling water pressure of 0.25 MPa, the predicted maximum beam pulse length will be up to 260 s with 50 keV beam energy by a duty factor of 0.5. The results present that, in this regard, the EAST NBI-1 system has the ability of long-pulse beam injection. | 胡纯栋 许永建 谢远来 谢亚红 梁立振 蒋才超 刘胜 韦江龙 盛鹏 刘智民 陶玲 the nbi team | 2018 | Plasma Science and Technology2018，20，4： | 0 |
| 8 | Long-pulse power-supply system for EAST neutral-beam injectors显示文摘The long-pulse power-supply system equipped for the 4 MW beam-power ion source is comprised of three units at ASIPP(Institute of Plasma Physics, Chinese Academy of Sciences): one for the neutralbeam test stand and two for the EAST neutral-beam injectors(NBI-1 and NBI-2, respectively). Each power supply system consists of two low voltage and high current DC power supplies for plasma generation of the ion source, and two high voltage and high current DC power supplies for the accelerator grid system. The operation range of the NB power supply is about 80 percent of the design value, which is the safe and stable operation range. At the neutral-beam test stand, a hydrogen ion beam with a beam pulse of 150 s, beam power of 1.5 MW and beam energy of 50 ke V was achieved during the long-pulse testing experiments. The result shows that the power-supply system meets the requirements of the EAST-NBIs fully and lays a basis for achieving plasma heating. | 刘智民 蒋才超 潘军军 刘胜 许永建 陈世勇 胡纯栋 NBI Team | 2017 | Plasma Science and Technology2017，19，5： | 0 |
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