Design and application of a new control system for tokamak ECRH power supply

被引：2
|
作者：
Hao, Xu [1 ,2 ]
Zhang, Jian [1 ]
Huang, Yiyun [1 ]
机构：
[1] Chinese Acad Sci, Inst Plasma Phys, Div Power Supply & Control Engn, Hefei 230031, Peoples R China
[2] Univ Sci & Technol China, Sci Isl Grad Sch, Hefei 230031, Peoples R China
来源：
RADIATION EFFECTS AND DEFECTS IN SOLIDS | 2016年 / 171卷 / 3-4期
关键词：
Control system; electron cyclotron resonance heating (ECRH); pulse step modulation (PSM); tokamaks; SINGLE-CHIP MICROCOMPUTER; J-TEXT; SST-1;
D O I：
10.1080/10420150.2016.1179310
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：
The biggest challenge of designing and building tokamak electron cyclotron resonance heating (ECRH) pulse step modulation (PSM) power supply is satisfying its required output voltage rising time to be less than 100 mu s while suppressing the voltage overshoot to be no more than 1%. To fulfill the two requirements, a new control strategy with startup time in microsecond range is proposed in this paper, and a new control system to realize the control strategy is introduced. The control system was built and tested on 60 kV/50 A ECRH power supply. The experimental results indicate that the control system can restrain the overshoot effectively, increase response speed, and obviously improve the dynamic characteristics of the PSM power supply system. Thus, the proposed control system helps the PSM power supply to meet the design specifications.
引用
收藏
页码：297 / 306
页数：10
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