Publication

Test results of SeCRETS, a stability experiment about segregated copper in CICC

Pierluigi Bruzzone, Boris Stepanov
2001
Journal Articles

Abstract

Two Nb3Sn cable-in-conduit conductors have been manufactured with identical non-Cu cross sections and the stabilizer either included in the Nb3Sn composite or partly segregated as copper wires. The two conductors are series connected and wound as a bifilar, single layer solenoid! assembled in the high field bore (11 T) of the SULTAN test facility. Beside the De: and AC losses characterization, the key tests include stability under pulsed transversal field (dB/dt up to 180 T/s), at DC operating current up to 12 kA, The results show that strong, transverse field transients can be withstood by both conductors with small temperature margin. Cost reduction measures for fusion conductors are discussed.

Official source

https://infoscience.epfl.ch/entities/publication/ac9fa78e-39f4-47c1-a6b2-78d8d0ec8356

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Pierluigi Bruzzone, Boris Stepanov
2001
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/ac9fa78e-39f4-47c1-a6b2-78d8d0ec8356

About this result

Related concepts (32)

Direct current

Direct current (DC) is one-directional flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through a conductor such as a wire, but can also flow through semiconductors, insulators, or even through a vacuum as in electron or ion beams. The electric current flows in a constant direction, distinguishing it from alternating current (AC). A term formerly used for this type of current was galvanic current.

Plasma stability

The stability of a plasma is an important consideration in the study of plasma physics. When a system containing a plasma is at equilibrium, it is possible for certain parts of the plasma to be disturbed by small perturbative forces acting on it. The stability of the system determines if the perturbations will grow, oscillate, or be damped out. In many cases, a plasma can be treated as a fluid and its stability analyzed with magnetohydrodynamics (MHD).

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.

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Test results of SeCRETS, a stability experiment about segregated copper in CICC

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