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Stephen Alfred March

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Publications associées (19)

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Completion of the Commissioning of the EDIPO Test Facility

Pierluigi Bruzzone, Kamil Sedlák, Boris Stepanov, Rainer Wesche, Stephen Alfred March

The main coils of the new European DIPOle (EDIPO) test facility, which is able to provide a background magnetic field up to 12.35 T, were commissioned at the Center for Research in Plasma Physics in July 2013. A field homogeneity of +/-1% was achieved over ...

Ieee-Inst Electrical Electronics Engineers Inc2016

Applicability of Non-Destructive Examination to Iter TF Joints Nb3Sn

Pierluigi Bruzzone, Stephen Alfred March

The Iter TF joints are of a twin-box design and the critical parameters of the overall resistance are 1) the contact between cable and termination, and 2) the resistance between two terminations. This paper describes applicability of non-destructive examin ...

2015

Twin-box ITER joints under electromagnetic transient loads

Pierluigi Bruzzone, Kamil Sedlák, Boris Stepanov, Stephen Alfred March

The ITER Toroidal Field (TF) coil winding packs are designed to be wound in double-pancakes. The twin-box joint provides the electrical pancake-to-pancake connection between the two Nb3Sn 68 kA conductors and electrical coil-to-bus bar connection between t ...

Elsevier Science Sa2015

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The EDIPO test facility is erected at CRPP Villigen with the aim of providing a flexible, high field test bed for high current force flow superconductors. The EDIPO main coil is a tilted-head race-track pair wound by a graded Nb3Sn cable-in-conduit conduct ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Results of the Test of Industrially Manufactured HTS Current Leads With Novel Design Features

Pierluigi Bruzzone, Rainer Wesche, Martin Vogel, Stephen Alfred March

In the framework of a collaboration, CRPP (Centre de Recherches en Physique des Plasmas) and WEKA AG have developed high-temperature superconductor (HTS) current leads for currents in the range of 3 to 30 kA, which are suitable for industrial fabrication. ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Collective Flux Jumps observed in the Operation of the EDIPO Magnet

Pierluigi Bruzzone, Kamil Sedlák, Davide Uglietti, Boris Stepanov, Rainer Wesche, Stephen Alfred March

The tilted head race track coils of the EDIPO test facility are wound with cable-in-conduit conductors made by high current density Nb3Sn strands, Jc = 2400 A/mm2 at 12 T – 4.2 K. Since the commissioning of the coils, frequent voltage spikes were observed ...

2014

Operational experience in the use of 18 kA HTS current leads for Edipo

Pierluigi Bruzzone, Rainer Wesche, Stephen Alfred March

In spring 2013, the Edipo facility of CRPP was commissioned. The dipole is powered via two 18 kA HTS current leads, designed and manufactured at CRPP. As part of the Edipo commissioning framework, the operational parameters of the leads were implemented in ...

Iop Publishing Ltd2014

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In the last few years, the critical current densities of long commercially available REBa2Cu3O7-x (RE-123, where RE represents Y or a rare earth element) coated conductors have reached values of 250 A/cm-width at 77K and zero applied field. Even higher val ...

Elsevier Science Sa2013

Operational experience in the use of 18 kA HTS current leads

Pierluigi Bruzzone, Rainer Wesche, Stephen Alfred March

2013

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This paper presents the results of the latest European Conductor Performance Qualification Sample for the ITER toroidal field coils. The standard qualification test was performed in the SULTAN facility at CRPP. The sample consisted of two 3.5-m lengths of ...

Ieee-Inst Electrical Electronics Engineers Inc2013