An analog-digital integrator for EAST long pulse discharge

被引：1

作者：

Liu, D. M. ^{[1
]}

Wang, X. ^{[1
]}

Shen, B. ^{[2
]}

Qian, J. P. ^{[2
]}

Gong, X. Z. ^{[2
]}

Chen, B. ^{[1
]}

Miao, G. Z. ^{[1
]}

机构：

[1] Hefei Univ Technol, Sch Elect Engn & Automat, Hefei 230009, Peoples R China

[2] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China

来源：

FUSION ENGINEERING AND DESIGN | 2021年 / 165卷

基金：

中国国家自然科学基金;

关键词：

Low integration drift; Integrator correction algorithm; Magnetic diagnostic; EAST;

D O I：

10.1016/j.fusengdes.2021.112255

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：

As one of the key electronic instruments for the experiment of long pulse plasma discharge, the integrator is required to work stably in complex and changeable electromagnetic environments. For the integrator of real-time drift compensation in the Experimental Advanced Superconducting Tokamak (EAST), an alternating method and an integrator correction algorithm (IDC) are adapted to improve the performance of the system in real time, and the new design of integrator system is completed. The new integrator system works stably for up to 1284s in the EAST experiment and the integration drift within 1000s on the testing bench is less than 8 mV when the integration time constant is 20 ms.

引用

页数：5

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