Development and construction of magnet system for world’s first full high temperature superconducting tokamak

IF 5.6 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

Superconductivity Pub Date : 2024-12-01 DOI:10.1016/j.supcon.2024.100137

Z.Y. Li , Z.C. Pan , Q.J. Zhang , K.P. Zhu , C. Zhang , Z.W. Zhang , G. Dong , Y.M. Ye , Z. Yang

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引用次数: 0

Abstract

In June 2024, the world’s first full high temperature superconducting (HTS) tokamak has successfully achieved its first plasma operation in Shanghai, China [1]. This tokamak device, HH70, is designed by Energy Singularity Fusion Power Technology (Shanghai) Ltd. (ES Company) in Shanghai, China. The conceptual and engineering design of HH70 was initiated in June 2022, whose major radius (R₀) and minor radius (a) are 0.7–0.75 m and 0.25–0.31 m, respectively. Its toroidal magnetic field B₀ at R₀ = 0.7 m is 0.6 T, the total inductance of the toroidal field (TF) magnet are 6.48 H. Over the past two years, ES company has achieved the first milestone: successfully design, construct and operate an HTS tokamak, and has amassed experience and know-how about such a first-of-its-kind HTS device. The HH70 tokamak’s magnet system consists of three types of coils: central solenoid (CS) coil, poloidal field (PF) coil, and toroidal field (TF) coil, in which all of the coils are fabricated by HTS conductors. Hence, the HH70 is currently the first tokamak in the world to be fully integrated with HTS coils, marking a groundbreaking advancement in fusion technology.

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世界首台全高温超导托卡马克磁体系统的研制与建设

2024年6月，世界上第一台全高温超导托卡马克（HTS）在中国上海成功实现了首次等离子体运行。这个名为HH70的托卡马克装置是由位于中国上海的能量奇点聚变动力技术（上海）有限公司（ES公司）设计的。HH70于2022年6月启动概念设计和工程设计，主半径R0为0.7-0.75 m，小半径a为0.25-0.31 m。在R0 = 0.7 m时，其环面磁场B0为0.6 T，环面磁场磁体的总电感为6.48 h。在过去的两年中，ES公司实现了第一个里程碑：成功设计、建造和运行了一台高温超导托卡马克，并积累了此类同类设备的经验和技术。HH70托卡马克的磁体系统由三种类型的线圈组成：中央螺线管（CS）线圈，极向场（PF）线圈和环向场（TF）线圈，其中所有线圈都由高温超导导体制造。因此，HH70是目前世界上第一个完全集成了高温超导线圈的托卡马克，标志着核聚变技术的突破性进步。

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来源期刊

Superconductivity

CiteScore

3.90

自引率

0.00%

发文量