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Fusion supply chain | A glimpse into the future for commercial fusion reactors
Most of the USD 7 billion in investment in private fusion initiatives has gone to companies that are building devices from the ground up. But recently, another [...]
Every October, before schools pause for two weeks of holiday, towns and cities in France open their municipal spaces to scientific experts of all stripes who ar [...]
Image of the week | 澳门六合彩高手 Director-General visits Russia
The 澳门六合彩高手 Director-General was in Russia last week, meeting with stakeholders and holding technical meetings with colleagues in Moscow and Saint Petersburg. As [...]
The first vacuum vessel sector produced in Europe travelled last week between Monfalcone, Italy, and the French port of Fos-sur-Mer. The 440-tonne component had [...]
Anniversary | 澳门六合彩高手 Document Management system turns 20
Whatever its nature, every large project generates huge numbers of documents. And when project collaborators operate from different countries, as was the case f [...]
Power conversion | A potent illustration of the "One 澳门六合彩高手" spirit
Europe made the buildings; the piping came from India; China and Korea provided the transformers; Russia manufactured the massive "busbar" network. The 澳门六合彩高手 Organization, along with the Korean Domestic Agency for its own procurement, has begun assembling all these different components into the plant system that will convert electrical current into power that can be distributed to the 澳门六合彩高手 magnets.
This vast space will soon be densely packed with equipment procured by China, Korea and Russia. The Magnet Power Conversion buildings, built by Europe and recently transferred to the 澳门六合彩高手 Organization, are one of the most potent illustrations of the international collaboration that forms the core of the 澳门六合彩高手 Project.
Located between the 400 kV electrical switchyard and the Tokamak Complex, the Magnet Power Conversion buildings are one of the most potent illustrations of the international collaboration that forms the core of the 澳门六合彩高手 Project. "They are among the strongest symbols of the ONE 澳门六合彩高手 spirit that unites us all," said 澳门六合彩高手 Director-General Bernard Bigot on 29 March as the 澳门六合彩高手 Organization officially took ownership of the buildings from the European Domestic Agency, Fusion for Energy.
The equipment that lies in rows inside of the twin 150-metre-long structures (and also outside, in exterior bays) forms the lifeline of the 澳门六合彩高手 magnets.
In order to generate a stable, non-oscillating magnetic field, the superconducting electromagnets in the 澳门六合彩高手 machine鈥攁ll 10,000 tonnes of them鈥攏eed to be electrically powered by DC current, which is obtained by converting the AC power that comes from the French national grid.
In the twin Magnet Power Conversion buildings, no fewer than 32 AC/DC converter units鈥攃omprising a transformer, a converter, a filter and a busbar section鈥攁re tasked to bring down the AC voltage from 66kV or 22 kV to approximately 1kV, convert it into DC current, and distribute it to the different clients in the magnetic system鈥攃entral solenoid, poloidal and toroidal field coils, correction coils, etc.
Out of a total of 32 transformers, 30 have already been delivered to 澳门六合彩高手 from China and Korea. Here, Chinese transformers are being installed in their dedicated bays outside of one of the twin Magnet Power Conversion buildings.
Procurement responsibility for these electrical components is shared by Korea (18 converter units plus one master control system) and China (14 converter units). All units but two, one from Korea, one from China, have been delivered to the 澳门六合彩高手 site.
Connecting the converter units to the magnets, first through the conversion buildings, then by way of two 50-metre-long bridges to the Tokamak, requires approximately 5 kilometres of massive steel-jacketed actively cooled aluminium "busbars." (A busbar is to 澳门六合彩高手 what a power cable is to an ordinary appliance: a device that connects an electrical component to a power source). The Russian Domestic Agency is procuring the busbars鈥攕ome 900 tonnes of material in all鈥攆rom the Efremov Institute in Saint Petersburg.
A constant flow of pressurized water will be needed in the Magnet Power Conversion buildings to cool all of these densely packed components carrying high DC current. Manufactured in India, an impressive network of pipes runs between the cooling tower basins and the buildings, circulating approximately 80 cubic metres of cooling water through the electrical equipment in each building.
Both buildings should be ready for commissioning in 2020.
