A Hybrid Cascaded H-Bridge Converter for Poloidal Magnets of Tokamaks

被引：0
|
作者：
Song, Zichong [1 ]
Tan, Yi [1 ]
Wang, Shouzhi [1 ]
Wang, Binbin [1 ]
Chang, Tingzhi [1 ]
Chen, Rui [2 ]
机构：
[1] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
[2] Shaanxi Startorus Fusion Technol Co Ltd, Xian 710000, Shaanxi, Peoples R China
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2024年 / 52卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Cascaded H-bridge; hybrid multilevel converter; power supply (PS); spherical tokamak; supercapacitor (SCs); POWER-SUPPLY SYSTEM; PLASMA CURRENT; DESIGN; EAST;
D O I：
10.1109/TPS.2024.3443257
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：
The high-performance control of tokamak plasmas requires the poloidal magnet power supply (PS) to have a large current output at the 10-kA class, a current slew rate at the 1-kA/ms class, and as low ripple as possible in both voltage and current. This article presents a modular multilevel converter composed of two cascaded H-bridges, powered separately by electrolytic capacitors and supercapacitors (SCs). A controller that could take advantage of different capacitors is developed. Simulation and test are carried out on spherical tokamak SUNIST-2. The results show that it meets the above requirements well.
引用
收藏
页码：3719 / 3724
页数：6
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