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Research and development

Top Page > Nuclear Power > Research and development > Ultimate energy aggregating the knowledge

Ultimate energy aggregating the knowledge

  • Nuclear fusion technology to realize "sun on the ground"
    Nuclear fusion technology to realize "sun on the ground" Nuclear fusion technology to realize "sun on the ground"
    Nuclear fusion technology to realize "sun on the ground"
  • Toshiba has evolved along with nuclear fusion technologies
  • Research and development with the National Institutes for Quantum and Radiological Science and Technology
    Research and development with the National Institutes for Quantum and Radiological Science and Technology
  • Nuclear fusion development with the International Thermonuclear Experimental Reactor
    Nuclear fusion development with the International Thermonuclear Experimental Reactor
  • Advantage of nuclear fusion Nuclear fusion to create great energy with inexhaustible resources
  • Toshiba is contributing to lifestyles with the aim of realizing nuclear fusion energy utilization in the future
    Toshiba is contributing to lifestyles with the aim of realizing nuclear fusion energy utilization in the future

The development of nuclear fusion technologies has been developing internationally as the ultimate energy supply.
We have been participating in domestic and international projects, such as JT-60, JT-60SA, and ITER, since the 1970s, when nuclear fusion research was launched. We will continue our efforts in energy development, which is necessary for the sustainable prosperity for humanity.

Research and development for nuclear fusion energy

For practical application of nuclear fusion energy technologies, scientific and technical feasibility studies are being conducted.

Phased research and development for nuclear fusion energy
Figure: "Future Fusion Research and Development Strategy" (October of 2005, Advisory Committee on Nuclear Fusion, Atomic Energy Commission) (Courtesy of the National Institutes for Quantum and Radiological Science and Technology/Fusion Energy Research and Development Directorate)

Contribution to the Japan-Europe collaboration project "JT-60SA"

Plasma enclosed in high-vacuum vessels

We supply the vacuum vessels, etc., and are in charge of the overall assembly work of the nuclear fusion device.

JT-60SuperAdvance
(Photo/material courtesy of the National Institutes for Quantum and Radiological Science and Technology/Fusion Energy Research and Development Directorate)

Vacuum vessel sector suppressing welding distortion

A torus vacuum vessel that was 10 m in diameter, 6.6 m in height, and 150 tons was divided and manufactured into ten double-walled sectors with D-shaped cross sections. Each sector was manufactured in the factory. Appropriate welding methods and their conditions were surveyed to suppress welding distortion. In addition, the manufacturing procedure, including the correction for weld distortion, was devised to reach the required product accuracy.

Production of vacuum vessel sector with limited welding distortion
(Courtesy of the National Institutes for Quantum and Radiological Science and Technology/Fusion Energy Research and Development Directorate)

Precise assembly design of the overall equipment

In the overall assembly work of the Tokamak, we designed the assembly procedure and tools for the equipment, such as vacuum vessels, superconducting coils, heat shields, and the internal parts of the reactors, and manufactured them in Japan and Europe. We have also made the on-site work plans, including surrounding works to be done simultaneously.

ATLAS Central Solenoid Magnet to generate a magnetic field to discriminate elementary particles
(Courtesy of the National Institutes for Quantum and Radiological Science and Technology/Fusion Energy Research and Development Directorate)

Vacuum vessel on-site assembly by 3D laser measurement system (340°)

During the on-site welding of the vacuum vessel sector, we utilized a 3D laser measurement system and installed, welded, and connected the sectors with high precision while adjusting their positions.

On-site assembly of a vacuum vessel using a 3D laser measurement system (340°)
(Courtesy of the National Institutes for Quantum and Radiological Science and Technology/Fusion Energy Research and Development Directorate)

Contribution to the project "ITER"

Participation in concept design, engineering design, and dispatching engineers

The International Thermonuclear Experimental Reactor (ITER) is an effort to realize the world's first experimental nuclear fusion reactor. It aims to demonstrate nuclear fusion energy technologies for peaceful use. With the international collaboration of 7 participants, including Japan, the EU (European Union), the U.S., Russia, Korea, China, and India, ITER is being built in France. We have been participating in this project in the preparatory consideration stage and have made contributions to the concept and engineering designs. We are still contributing in the current manufacturing stage with the production of the TF coil, remote maintenance device, etc.

Phased research and development for nuclear fusion energy
Started the participation in the concept design activities and engineering design activities and dispatched engineers

(Courtesy of the National Institutes for Quantum and Radiological Science and Technology/Fusion Energy Research and Development Directorate)

Designing and manufacturing the world's largest superconducting coil, "TF coils", with great precision

In the ITER project, we are involved in the design and manufacturing of TF coils (toroidal field coil). TF coils are large-scale superconducting coils and are 16.5 m in height, 9 m in width, and about 300 tons. The superconducting wire is wound into a D-shape and enclosed in the structure to support the electromagnetic force; the procedure must be done with an accuracy of millimeters.

The International Thermonuclear Experimental Reactor (ITER) toroidal field coil/ITER TF Coil

The International Thermonuclear Experimental Reactor (ITER) toroidal field coil/ITER TF Coil

Contribution to the development of demonstration reactors

Efforts toward power generation demonstration

We develop demonstration reactors with the National Institutes for Quantum and Radiological Science and Technology (QST). Based on the expertise obtained through our involvement with large-scale plasma experimental devices and ITER, we are contributing to realizing demonstration reactors with steady and stable electricity and that can produce several hundred megawatts. We endeavor to establish blanket systems with easier productivity and plant safety systems.

Efforts toward power generation demonstration
Constitution of a demonstration reactor building (Courtesy of the National Institutes for Quantum and Radiological Science and Technology/Fusion Energy Research and Development Directorate)

Contribution to academic research

We collaborate with the National Institute for Fusion Science, universities, etc., to promote to the academic research of nuclear fusion. We design, manufacture, and install Tokamak, helical, mirror, or other magnetic confinement machines, as well as heating devices, power supply, control system, etc.

Contribution to the large helical device (LHD)

This is one of the largest helical-type devices in the world. We have supplied the super conducting poloidal coils, heating devices, and flywheel motor generator. (Courtesy of the National Institute for Fusion Science (NIFS)).

Contribution to the large helical device (LHD)
Poloidal Coil (Courtesy of NIFS)

Contribution to QUEST

QUEST is a spherical Tokamak for plasma wall interaction experiments under steady-state, ultra-long pulse plasma production. We supplied the main facility. (Courtesy of Kyushu University).

Contribution to the large helical device (LHD)
QUEST (Courtesy of Kyushu University)

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