Development of Data Acquisition and Protection System of Infrared Thermometer for EAST NBI

被引：2
|
作者：
Hu, C. D. [1 ]
Liu, W. [1 ,2 ]
Jiang, C. C. [1 ,2 ]
Liang, L. Z. [1 ]
Liu, S. [1 ]
Song, S. H. [1 ]
Wang, J. X. [1 ]
Tao, L. [1 ]
机构：
[1] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
[2] Univ Sci & Technol China, Grad Sch, Hefei 230026, Anhui, Peoples R China
来源：
FUSION SCIENCE AND TECHNOLOGY | 2018年 / 73卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Data acquisition; protection system; armor tiles; NEUTRAL BEAM INJECTOR; CURRENT ION-SOURCE; TOKAMAK;
D O I：
10.1080/15361055.2017.1372681
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Neutral beam injection (NBI) is one of the heating methods in tokamaks. In the process of injection, the neutral particles will not be absolutely absorbed by plasma. The unabsorbed neutral particles penetrate plasma and are shot at inner wall tiles. It will cause the temperature increases of armor tiles that are placed opposite the NBI injection windows. In order to ensure that the armor tiles work during a safe interval, the data acquisition and protection system of infrared thermometer has been developed. The system achieves the functions of isolated transmission, remote monitoring, and fast protection. The response time of data acquisition and protection system is less than 5 mu, and the transmission rate of the system is 5 kHz. The quick response and stability of the data acquisition and protection system have been confirmed in practice.
引用
收藏
页码：75 / 81
页数：7
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