Kamil Sedlák

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Related publications (104)

Approaches to analyze structural issues of the European DEMO Toroidal Field Coil System at an early design stage

Because of its ambitious goals, the DEMO project faces many technical challenges. The mechanical performance of the superconducting toroidal field coil (TFC) system is mostly determined by the high electromagnetic forces. A structural evaluation of the TFC ...

IEEE Institute of Electrical and Electronics Engineers2016

EDIPO: The Test Facility for High-Current High-Field HTS Superconductors

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

The commissioning of the European DIPOle (EDIPO) test facility at the Center for Research in Plasma Physics in Villigen was completed in Spring 2015, and the first test of a 60-kA/12-T high-temperature superconductor (HTS) was carried out in June 2015. Use ...

IEEE Institute of Electrical and Electronics Engineers2016

Commissioning of HTS Adapter and Heat Exchanger for Testing of High Current HTS Conductors

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

In the EDIPO test facility, superconducting cables with a current carrying capacity up to 100 kA can be tested in a background field of 12.5 T. A NbTi transformer, operated at ???4.5 K, provides the sample current of up to 100 kA. The high-temperature supe ...

IEEE Institute of Electrical and Electronics Engineers2016

Performance evolution of 60kA HTS cable prototypes in the EDIPO test facility

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

During the first test campaign of the 60 kA HTS cable prototypes in the EDIPO test facility, the feasibility of a novel HTS fusion cable concept proposed at the EPFL Swiss Plasma Center (SPC) was successfully demonstrated. While the measured DC performance ...

2016

Overview of progress on the EU DEMO magnet system design

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Elena Gaio, Kamil Sedlák

The DEMO reactor is expected to be the first application of fusion for electricity generation in the near future. To this aim conceptual design activities are progressing in Europe (EU) under the lead of the EUROfusion Consortium in order to drive on the d ...

IEEE Institute of Electrical and Electronics Engineers2016

Test of the MF-CICC Conductor Designed for the 12-T Outsert Coil of the HFML 45-T Hybrid Magnet

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák

A 45-T hybrid magnet is being built at the High Field Magnet Laboratory of the Radboud University in Nijmegen, The Netherlands. The hybrid magnet consists of a 12-T cable-in- conduit-conductor (CICC) Nb 3Sn superconducting outsert and a 33-T resistive inse ...

IEEE Institute of Electrical and Electronics Engineers2016

Results and analysis of the hot-spot temperature experiment for a cable-in-conduit conductor with thick conduit

Pierluigi Bruzzone, Kamil Sedlák

In the design of future DEMO fusion reactor a long time constant (similar to 23 s) is required for an emergency current dump in the toroidal field (TF) coils, e.g. in case of a quench detection. This requirement is driven mainly by imposing a limit on forc ...

Elsevier Sci Ltd2015

LTS and HTS high current conductor development for DEMO

Pierluigi Bruzzone, Davide Uglietti, Kamil Sedlák

The large size of the magnets for DEMO calls for very large operating current in the forced flow conductor. A plain extrapolation from the superconductors in use for ITER is not adequate to fulfill the technical and cost requirements. The proposed DEMO TF ...

Elsevier Science Sa2015

DC Performance Results Versus Assessment of ITER Main Busbar NbTi Conductors

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák, Bo Liu

Four ITER main busbar (MB) conductor samples were tested in the SULTAN test facility (Centre de Recherches en Physique des Plasma, Ecole Polytechnique Fédérale de Lausanne, Switzerland) between 2011 and 2013. The MB conductors are NbTi-based cable-in-condu ...

IEEE Institute of Electrical and Electronics Engineers2015

Test of 60 kA coated conductor cable prototypes for fusion magnets

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

Coated conductors could be promising materials for the fabrication of the large magnet systems of future fusion devices. Two prototype conductors (flat cables in steel conduits), each about 2 m long, were manufactured using coated conductor tapes (4 mm wid ...

2015

Twin-box ITER joints under electromagnetic transient loads

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

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

Analysis of Internal-Tin Nb3Sn Conductors for ITER Central Solenoid

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák

Japan Atomic Energy Agency (JAEA) is procuring 100% of the ITER Central Solenoid (CS) conductors. The CS conductor is required to maintain the performance under 60000 pulsed electromagnetic cycles. JAEA tested two internal-tin Nb3Sn conductors for the CS a ...

IEEE Institute of Electrical and Electronics Engineers2015

Impact of Cable Twist Pitch on T-cs-Degradation and AC Loss in Nb3Sn Conductors for ITER Central Solenoids

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák

The performance of tour Nb3Sn conductors for the ITER central solenoids was tested. The current sharing temperatures (T-cs) were measured over approximately 9000 electromagnetic cycles, including two or three thermal cycles between 4.2 K and room temperatu ...