Cryogen-Free Superconducting Magnets
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Supporting the Future of Fusion Energy with Proven Superconducting Magnet Technology
Gyrotrons are high-power microwave sources used for plasma heating in fusion reactors and play a critical role in Electron Cyclotron Resonance Heating (ECRH) systems. These devices are essential for plasma generation, heating, and control in advanced fusion research.
A gyrotron system primarily consists of an electron tube and a superconducting magnet. The superconducting magnet generates the strong magnetic field required to guide and control the electron beam, directly influencing operating frequency, output stability, and beam quality. As a result, the magnet is one of the most critical components in the overall gyrotron system.
Superconducting magnets for gyrotron systems must satisfy demanding technical requirements, including:
• High magnetic field strength and excellent field homogeneity
• Outstanding magnetic field stability for long-term continuous operation
• Mechanical reliability capable of withstanding strong electromagnetic forces and thermal loads
• Compliance with international standards
• Robust quality assurance systems for long-term projects
We have successfully met these requirements through its participation in the ITER international fusion project, supplying 16 of the 24 superconducting magnets used in the gyrotron systems.
This achievement reflects the international recognition of our capabilities in design, manufacturing, quality assurance, and project execution.
• Stable electron beam control based on highly accurate magnetic field design
• Superconducting coil and mechanical structure designs optimized for long-duration operation
• High reproducibility and assembly compatibility for seamless system integration
• Proven capability for volume production and supply of large-scale, high-field superconducting magnets
These strengths have enabled our magnets to demonstrate exceptional reliability and stable performance in long-term international collaborative projects such as ITER.
Building on our success in the ITER project, our superconducting magnets have been adopted in fusion research and development programs in the United Kingdom, Germany, the United States, China, and other countries.
To date, we have delivered more than 100 superconducting magnets for gyrotron systems worldwide. These magnets are serving as key components in plasma heating systems for next-generation fusion energy research and development.
No. |
Model |
Magnetic Field |
Bore Size |
|---|---|---|---|
1 |
JMTD-1.5T350 |
1.5 Tesla |
Φ 350mm |
2 |
JMTD-3.5T350 |
3.5 Tesla |
Φ 350mm |
3 |
JMTD-5.8T160 |
5.8 Tesla |
Φ 160mm |
4 |
JMTD-5.8T280 |
5.8 Tesla |
Φ 280mm |
5 |
JMTD-6.5T240 |
6.5 Tesla |
Φ 240mm |
6 |
JMTD-6.5T260 |
6.5 Tesla |
Φ 260mm |
7 |
JMTD-7T160 |
7 Tesla |
Φ 160mm |
8 |
JMTD-7T240 |
7 Tesla |
Φ 240mm |
9 |
JMTD-8T240 |
8 Tesla |
Φ 240mm |
10 |
JMTD-9.5T240 |
9.5 Tesla |
Φ 240mm |
