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

页码：3719 / 3724

页数：6

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