Subscribe options

Select your newsletters:

Please enter your email address:

@

Your email address will only be used for the purpose of sending you the ITER Organization publication(s) that you have requested. ITER Organization will not transfer your email address or other personal data to any other party or use it for commercial purposes.

If you change your mind, you can easily unsubscribe by clicking the unsubscribe option at the bottom of an email you've received from ITER Organization.

For more information, see our Privacy policy.

News & Media

Latest ITER Newsline

  • Deputy Director-General | Yutaka Kamada, Science & Technology

    In his late childhood and early teens, Yutaka Kamada developed two passions: one for growing cactus, the other for fusion energy. Half a century later, his [...]

    Read more

  • Images of the week | Yet another magnet feeder from China

    This in-cryostat feeder will supply electrical power and cryogenic fluids to some of the top correction coils of the ITER machine. ITER will rely on 31 mag [...]

    Read more

  • Gyrotrons | India successfully demonstrates ITER power and pulse requirements

    As a part of its in-kind commitments to the project, ITER India will deliver two radio-frequency-based power sources (or 'gyrotrons") with state-of-the-art [...]

    Read more

  • Neutral beam power supply | Lightning-power voltage

    In January 2021, preparatory works began for the construction of two large buildings designed to accommodate a unique set of electrical equipment. A little more [...]

    Read more

  • MITICA | Cryopump passes site acceptance tests

    Cryopumps, which play an essential role in ITER, are not what one has in mind when picturing a pump. A conventional pump creates negative pressure to suck in fl [...]

    Read more

Of Interest

See archived entries

Fusion world

Chinese researchers innovate on coil power supply

A research team at the Hefei Institutes of Physical Science of the Chinese Academy of Sciences announces that a new type of poloidal field coil power supply has been successfully tested on the EAST tokamak.

The upgraded magnet power supply entered EAST operation in the autumn of 2022 and operated stably for 51 days and 3,402 shots., exceeding design requirements. The team worked for four years on research and two years on key technologies, according to lead researcher Prof. Huang. (Click to view larger version...)
The upgraded magnet power supply entered EAST operation in the autumn of 2022 and operated stably for 51 days and 3,402 shots., exceeding design requirements. The team worked for four years on research and two years on key technologies, according to lead researcher Prof. Huang.
Described as "the first power supply for poloidal field coil in tokamak devices to adopt fully controlled power electronic devices and pulse power modulation technology," the power supply (rated current ± 15kA) was installed and tested on the EAST tokamak, demonstrating performance that exceeded design requirements. 

In the experiment, the fully controlled pulse power modulation technology replaced the thyristor phase-controlled rectifier in the high-power fusion magnet power converter. It has many advantages, including high efficiency, high power factor, controllable harmonics, fast response, high reliability and low embedded cost.

"We have been working on this project for six years," said lead researcher Prof. Huang. "Four years on research and two years on key technologies."

The development and operation of the new generation of power supplies will not only promote the technical application of fully controlled power conversion technology in the field of high current, but also provide a promising solution for future fusion facilities, according to the team.

Read the full press release in English or Chinese.



return to the latest published articles