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Pierluigi Bruzzone

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Publications associées (253)

A design proposal for the European DEMO superconducting bus bars and current leads

Rainer Wesche, Pierluigi Bruzzone, Kamil Sedlák, Roberto Guarino

The integration of the feeder system in a tokamak involves complex engineering, manufacturing and logistics issues. Therefore, within the pre-conceptual design activities of the European DEMO fusion reactor, it is important to provide a preliminary sizing ...

2021

Progress on the Upgrade of EDIPO, a 15 T Large Aperture Dipole

Pierluigi Bruzzone, Kamil Sedlák, Evgeny Solodko

The upgraded magnet assembly of the EDIPO test facility aims at generating 15 T at 4.2 K and 85% of short sample limit in a large rectangular aperture and over a uniform field length of 1000 mm. During 2020 the design studies have concentrated on two flare ...

IEEE Institute of Electrical and Electronics Engineers2021

Progress on Tests on Splices Between Nb3Sn Rutherford Cables for Graded High-Field Accelerator Magnets

Pierluigi Bruzzone, Mithlesh Kumar, Vincenzo D'Auria

Future high-field accelerator magnets foresee the extensive use of Nb3Sn, more expensive than the Nb-Ti of LHC. For projects involving the series production of magnets, conductor grading is mandatory in order to reduce the cost. To allow grading ...

IEEE Institute of Electrical and Electronics Engineers2021

Superconductors for fusion: a roadmap

Rainer Wesche, Pierluigi Bruzzone, Kamil Sedlák, Nikolay Bykovskiy

With the first tokamak designed for full nuclear operation now well into final assembly (ITER), and a major new research tokamak starting commissioning (JT60SA), nuclear fusion is becoming a mainstream potential energy source for the future. A critical par ...

2021

T-cs degradation of ITER TF samples due to fast current discharges

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák

Direct current tests performed in the past on the conductor samples of the toroidal field (TF) ITER coils revealed degradation of current sharing temperature, T-cs. The degradation progresses with repetitive electromagnetic loading, and also with thermal c ...

2021

A New Cabled Stabilizer for the Nb3Sn React&Wind DEMO Conductor Prototype

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák, Mithlesh Kumar, Vincenzo D'Auria

A Nb3Sn based, React&Wind flat cable, named RW2, was developed in the past three years at the Swiss Plasma Center in the scope of the EUROfusion conceptual studies for DEMO. The test results presented earlier proved an excellent DC performance, but large e ...

IEEE Institute of Electrical and Electronics Engineers2021

Progress on the Design of the 15 T Magnet of the EDIPO Test Facility

Pierluigi Bruzzone, Kamil Sedlák, Roberto Guarino, Evgeny Solodko

EDIPO 2 (the upgraded EDIPO test facility) will provide a unique testbed for superconducting cables for fusion magnets,accelerators, and other applications. Compared to the previous magnet assembly, the magnetic field is enhanced from 12.35 T to 15 T, the ...

IEEE Institute of Electrical and Electronics Engineers2021

A New Cabled Stabilizer for the Nb3Sn React&Wind DEMO Conductor Prototype

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák, Mithlesh Kumar, Vincenzo D'Auria

2021

Upgrade and Commissioning of the SULTAN Facility to Host Quench Experiments on HTS High Current Conductors

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Davide Uglietti, Kamil Sedlák, Ortensia Dicuonzo

High Temperature Superconductors (HTS) are promising materials for future fusion magnets. One of HTS conductors' main issues is the quench protection: the quench develops much slower than in LTS, delaying the quench detection by voltage monitoring and caus ...

IEEE Institute of Electrical and Electronics Engineers2021

Design and Characterization of the Interlayer Joint Between Low-Field Nb3Sn Conductors of a Layer Wound DEMO TF Coil

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák, Mithlesh Kumar

In the frame of the conceptual design studies for the Toroidal Field (TF) coils of DEMO, a solution based on a layer-wound magnet, rectangular-shaped Cable-in-Conduit conductors and W&R manufacturing approach, is being developed. The feasibility and perfor ...

IEEE Institute of Electrical and Electronics Engineers2021

Impact of mechanical and thermal cycles at different operating conditions on the ITER toroidal field coil conductor performance

Pierluigi Bruzzone, Kamil Sedlák

The impact of electromagnetic (EM) and thermal cyclic loading (referred as warm-up-cool-down-WUCD) on the Nb3Sn cable in conduit conductors for the toroidal field magnets of the ITER tokamak should be carefully assessed for the proper operation of the mach ...

2021

Alternative PF Coil Winding Pack Design for the EU DEMO

Pierluigi Bruzzone, Kamil Sedlák, Roberto Guarino, Mithlesh Kumar

The EUROfusion DEMO machine is at its pre-conceptual stage. The design of the magnet system for this machine is being developed in collaboration with several European research centers. The Poloidal Field (PF) coils proposed by the Swiss Plasma Center (SPC) ...

IEEE Institute of Electrical and Electronics Engineers2021

Estimation of performance of Nb3Sn CICC with thermal strain distribution

Rainer Wesche, Pierluigi Bruzzone, Kamil Sedlák

In the last few years, the critical temperature (Tc) of several ITER cable-in-conduit conductors (CICC) was determined by magnetization measurements at zero current. The distribution of the critical temperatures (Tc), caused by variation of strain in the N ...

2020

Inter-Layer Joint of Nb3Sn React&Wind Cables for Fusion Magnets

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák, Vincenzo D'Auria

The Swiss Plasma Center (SPC) has developed a layout of Toroidal Field (TF) coil for EUROfusion DEMO tokamak, based on the reference tokamak baseline of 2015. Each TF coil winding pack is wound with graded Nb3Sn conductors and consists of 12 single layers, ...

IEEE Institute of Electrical and Electronics Engineers2020

Advance in the conceptual design of the European DEMO magnet system

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Davide Uglietti, Elena Gaio, Kamil Sedlák, Roberto Guarino, Mithlesh Kumar, Vincenzo D'Auria, Ortensia Dicuonzo, Chiara Frittitta, Alberto Ferro

The European DEMO, i.e. the demonstration fusion power plant designed in the framework of the Roadmap to Fusion Electricity by the EUROfusion Consortium, is approaching the end of the pre-conceptual design phase, to be accomplished with a Gate Review in 20 ...

2020

Progress in the Design of a Hybrid HTS-Nb3Sn-NbTi Central Solenoid for the EU DEMO

Rainer Wesche, Pierluigi Bruzzone, Davide Uglietti, Kamil Sedlák

State-of-the-art high field solenoids make use of hybrid designs exploiting the superior high field performance of High Temperature Superconductors (HTS) in the innermost region. The benefits of a hybrid Central Solenoid in a pulsed tokamak like the EU DEM ...

IEEE Institute of Electrical and Electronics Engineers2020

Preliminary Design of DEMO PF Coils Based on EU DEMO 2018 Baseline

Pierluigi Bruzzone, Kamil Sedlák, Mithlesh Kumar

The dimensioning of Winding Packs and allocation of materials in DEMO PF coils is proposed based on the requirements defined by the EUROfusion 2018 DEMO baseline. The coils are pancake-wound and use two types of forced flow cable-in-conduit conductors. The ...

IEEE Institute of Electrical and Electronics Engineers2020

Magnetic and Mechanical 3-D Modelling of a 15 T Large Aperture Dipole Magnet

Pierluigi Bruzzone, Douglas Martins Araujo, Luca Bottura

In 2018, two structures have been proposed with the goal of replacing the magnetEDIPOthat stopped operating in 2016. These two solutions were designed to generate a field of 15 T on an aperture of 100 x 150 mm2 at 4.2 K by using Nb 3Sn superconducting Ruth ...

IEEE Institute of Electrical and Electronics Engineers2020

Quench Simulation of REBCO Cable-in-Conduit Conductor With Twisted Stacked-Tape Cable

Rainer Wesche, Pierluigi Bruzzone, Davide Uglietti, Kamil Sedlák

Quench protection is a critical issue for magnet using high-temperature superconducting (HTS) materials such as REBCO. For cable-in-conduit conductor (CICC) with twisted REBCO tapes, which is considered for high-current HTS conductor for fusion magnet, the ...

IEEE Institute of Electrical and Electronics Engineers2020

AC Loss Measurement of the DEMO TF React&Wind Conductor Prototype No. 2

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák

The EUROfusion DEMO is being designed as the fusion machine to be built after ITER. During the preconceptual phase, several design options are investigated by theoretical analyses as well as tests on newly developed conductor prototypes. One design option ...

IEEE Institute of Electrical and Electronics Engineers2020

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