Shattered Pellet Injection Control System Integration for EAST

IF 1.9 4区 工程技术 Q1 NUCLEAR SCIENCE & TECHNOLOGY
ShengBo Zhao, JingSheng Yuan, Yue Chen, YanMin Duan, Ming Huang, HuiDong Zhuang, GuiZhong Zuo, JianSheng Hu
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引用次数: 0

Abstract

A new control system of shattered pellet injection (SPI) has been successfully developed and implemented in the experimental advanced superconducting tokamak. The control system comprises four functional modules responsible for vacuum acquisition, temperature regulation, gas supply, and system protection, which facilitate the safe and stable operation of the SPI. The software framework employed for the SPI control system incorporates experimental physics and industrial control system and Phoebus. Utilizing these integrated control systems, the gun barrel temperature and material gas pressure could be accurately controlled during pellet forming phase. Also, it could cooperatively control the various types of valves to achieve material gas supply, propellant gas supply and timely pumping. Finally, the pellet was successfully generated, separated from the gun barrel, and accelerated into the plasma vacuum vessel controlled by this system. In addition, the issue of extended delay time was observed in SPI experiments, and a potential solution is also proposed in the paper.

Abstract Image

EAST破碎颗粒喷射控制系统集成
研制成功了一种新型微粒喷射控制系统,并在先进超导托卡马克实验装置上实现。控制系统包括真空采集、温度调节、供气、系统保护四大功能模块,保证SPI安全稳定运行。SPI控制系统采用的软件框架包括实验物理和工业控制系统以及Phoebus。利用这些集成控制系统,可以在球团成型阶段精确控制枪身温度和料气压力。并可协同控制各类阀门,实现物料供气、推进剂供气和及时泵送。最后,成功地生成了球团,从枪管中分离出来,并加速进入由该系统控制的等离子体真空容器。此外,在SPI实验中观察到延迟时间延长的问题,并提出了一种可能的解决方案。
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来源期刊
Journal of Fusion Energy
Journal of Fusion Energy 工程技术-核科学技术
CiteScore
2.20
自引率
0.00%
发文量
24
审稿时长
2.3 months
期刊介绍: The Journal of Fusion Energy features original research contributions and review papers examining and the development and enhancing the knowledge base of thermonuclear fusion as a potential power source. It is designed to serve as a journal of record for the publication of original research results in fundamental and applied physics, applied science and technological development. The journal publishes qualified papers based on peer reviews. This journal also provides a forum for discussing broader policies and strategies that have played, and will continue to play, a crucial role in fusion programs. In keeping with this theme, readers will find articles covering an array of important matters concerning strategy and program direction.
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