Publication

Coupling currents loss in Nb3Sn cable-in-conduit conductors

Pierluigi Bruzzone
2002
Journal Articles

Abstract

An ac loss experiment on two Nb3Sn cable-in-conduit conductors (CICCs) is carried out in the SULTAN test facility using both magnetization and calorimetric methods to cover a broad range of frequency, from 0.03 Hz to 6 Hz. Loss curves are measured before and after cyclic loading of the samples. The discussion of the results aims to solve the discrepancy observed between the large loss results in the ITER CSMC coil and the low loss observed in former short sample test. The impact of cyclic load on the loss balance for large coils is discussed and the consequence for design is drawn.

Official source

https://infoscience.epfl.ch/entities/publication/c5853216-2e11-4b4a-b561-17ce0ab003f0

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Pierluigi Bruzzone
2002
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/c5853216-2e11-4b4a-b561-17ce0ab003f0

About this result

Related concepts (24)

Alternating current

Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current (DC), which flows only in one direction. Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy that consumers typically use when they plug kitchen appliances, televisions, fans and electric lamps into a wall socket. A common source of DC power is a battery cell in a flashlight.

War of the currents

The war of the currents was a series of events surrounding the introduction of competing electric power transmission systems in the late 1880s and early 1890s. It grew out of two lighting systems developed in the late 1870s and early 1880s; arc lamp street lighting running on high-voltage alternating current (AC), and large-scale low-voltage direct current (DC) indoor incandescent lighting being marketed by Thomas Edison's company.

Transformer

A transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits. A varying current in any coil of the transformer produces a varying magnetic flux in the transformer's core, which induces a varying electromotive force (EMF) across any other coils wound around the same core. Electrical energy can be transferred between separate coils without a metallic (conductive) connection between the two circuits.

Related publications (1)

Coupling currents loss in Nb3Sn cable-in-conduit conductors

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Enhancing the control of tokamaks via a continuous nonlinear control law