Development of data acquisition and over-current protection systems for a suppressor-grid current with a neutral-beam ion source

被引：0
|
作者：
Wei LIU [1 ,2 ]
Chundong HU [1 ]
Sheng LIU [1 ]
Shihua SONG [1 ]
Jinxin WANG [1 ]
Yan WANG [1 ,2 ]
Yuanzhe ZHAO [1 ]
Lizhen LIANG [1 ]
机构：
[1] Institute of Plasma Physics Chinese Academy of Sciences
[2] University of Science and Technology of
来源：
Plasma Science and Technology | 2017年 / 12期
关键词：
D O I：
暂无
中图分类号：
TL631 [磁约束装置];
学科分类号：
摘要：
Neutral beam injection is one of the effective auxiliary heating methods in magnetic-confinementfusion experiments. In order to acquire the suppressor-grid current signal and avoid the grid being damaged by overheating, a data acquisition and over-current protection system based on the PXI(PCI e Xtensions for Instrumentation) platform has been developed. The system consists of a current sensor, data acquisition module and over-current protection module. In the data acquisition module,the acquired data of one shot will be transferred in isolation and saved in a data-storage server in a txt file. It can also be recalled using NBWave for future analysis. The over-current protection module contains two modes: remote and local. This gives it the function of setting a threshold voltage remotely and locally, and the forbidden time of over-current protection also can be set by a host PC in remote mode. Experimental results demonstrate that the data acquisition and overcurrent protection system has the advantages of setting forbidden time and isolation transmission.
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页码：158 / 162
页数：5
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