Publication

Strand resistance distribution in an improved full size joint for the ITER conductors

Pierluigi Bruzzone
1999
Journal Articles

Abstract

An improved joint layout layout is proposed for the electrical connections of the large Nb3Sn cable-in-conduit conductors for the Central Solenoid and Toroidal Field coils of ITER, International Thermonuclear Experimental Reactor. The driving design criteria are a reliable electrical performance and an easy manufacturing procedure, limiting the risk of failure and allowing generous assembly tolerances. The development results are reported, as well as the manufacture of a hairpin joint using sections of the ITER CS conductor. The joint sample has been used to investigate the resistance between strand pairs belonging to the two conductor sections. From the distribution of the strand-to-strand resistance, it is possible to infer the current distribution in the conductor under DC conditions, what is a crucial issue for the stability analyses.

Official source

https://infoscience.epfl.ch/entities/publication/92b9f49f-18e2-4a99-8a9d-617ab03654e4

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Pierluigi Bruzzone
1999
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/92b9f49f-18e2-4a99-8a9d-617ab03654e4

About this result

Related concepts (32)

ITER

ITER (initially the International Thermonuclear Experimental Reactor, iter meaning "the way" or "the path" in Latin) is an international nuclear fusion research and engineering megaproject aimed at creating energy through a fusion process similar to that of the Sun. Upon completion of construction of the main reactor and first plasma, planned for late 2025, it will be the world's largest magnetic confinement plasma physics experiment and the largest experimental tokamak nuclear fusion reactor.

Fusion power

Fusion power is a proposed form of power generation that would generate electricity by using heat from nuclear fusion reactions. In a fusion process, two lighter atomic nuclei combine to form a heavier nucleus, while releasing energy. Devices designed to harness this energy are known as fusion reactors. Research into fusion reactors began in the 1940s, but as of 2023, no device has reached net power. Fusion processes require fuel and a confined environment with sufficient temperature, pressure, and confinement time to create a plasma in which fusion can occur.

Tokamak

A tokamak (ˈtoʊkəmæk; токамáк) is a device which uses a powerful magnetic field to confine plasma in the shape of a torus. The tokamak is one of several types of magnetic confinement devices being developed to produce controlled thermonuclear fusion power. , it was the leading candidate for a practical fusion reactor. Tokamaks were initially conceptualized in the 1950s by Soviet physicists Igor Tamm and Andrei Sakharov, inspired by a letter by Oleg Lavrentiev. The first working tokamak was attributed to the work of Natan Yavlinsky on the T-1 in 1958.

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Strand resistance distribution in an improved full size joint for the ITER conductors

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