The 5.8 T Cryogen-Free Gyrotron Superconducting Magnet System on HL-2A

被引：8

作者：

Xia Donghui ^{[1
,2
]}

Huang Mei ^{[2
]}

Zhou Jun ^{[2
]}

Bai Xingyu ^{[2
]}

Zheng Tieliu ^{[2
]}

Rao Jun ^{[2
]}

Zhuang Ge ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China

[2] Southwestern Inst Phys, Chengdu 610041, Peoples R China

来源：

PLASMA SCIENCE & TECHNOLOGY | 2014年 / 16卷 / 04期

关键词：

ECRH; gyrotron; superconducting magnet; cryogen free;

D O I：

10.1088/1009-0630/16/4/20

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A 5.8 T cryogen-free superconducting magnet (SCM) system with a warm bore hole of 160 mm in diameter, used for gyrotrons operating in the frequency range from 68 GHz to 140 GHz, is installed on the site of the HL-2A tokamak. The SCM consists of two separate solenoidal magnetic coils connected in series, a 4.2 K Gifford-McMahon (GM) refrigerator, a compressor, a coil power supply and two temperature monitors. The performance, test and preliminary experimental results of this SCM system are described in this paper. The magnetic field distribution was measured along the axis, and a dummy tube was used for adjusting the magnet system. Finally, the magnet was used for the operation of a 68 GHz/500 kW gyrotron, which is part of an electron cyclotron resonance heating (ECRH) system. With an additional auxiliary coil and after adjusting the magnet system, a maximum output power for the ECRH system of up to 400 kW was achieved.

引用

页码：410 / 414

页数：5

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