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Boris Stepanov

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Publications associées (118)

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

Design, Manufacture and Test of a 82kA React&Wind TF Conductor for DEMO

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák

The Toroidal Field Coils (TFC) of the EUROFusion DEMO reactor call for Nb3Sn conductor with high field and high current. Another major requirement is the cost effectiveness, to keep the ratio of investment to electric power in the same range of the competi ...

IEEE Institute of Electrical and Electronics Engineers2016

Completion of the Commissioning of the EDIPO Test Facility

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

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 Institute of Electrical and Electronics Engineers2016

Performance of ITER Correction Busbar Conductor Samples CBCN2 and CBCN3

Pierluigi Bruzzone, Boris Stepanov, Fang Liu, Kamil Sedlák, Bo Liu

The correction busbar (CB) conductors for the ITER project are being produced in China. The second China CB conductor sample (CBCN2, Phase II of conductor testing) and the third CB conductor sample (CBCN3, Phase III testing) were made of the WST NbTi stran ...

IEEE Institute of Electrical and Electronics Engineers2016

Conductor Performance of CCCN3, CCCN4 and CCCN5 Samples for ITER CC Coils

Pierluigi Bruzzone, Boris Stepanov, Fang Liu, Kamil Sedlák, Bo Liu

The conductor for the ITER Correction Coils (CC) is manufactured in China and is tested in the SULTAN facility. The third China CC conductor for the qualification SULTAN test sample (CCCN3) was prepared from a 200 m long CC conductor unit length (Phase II) ...

IEEE Institute of Electrical and Electronics Engineers2016

Overview of Performance Test of Korean CICCs for ITER TF Magnet

Pierluigi Bruzzone, Boris Stepanov

The Korean Domestic Agency (KODA) for the International Thermonuclear Experimental Reactor (ITER) project has taken the responsibility of the procurement of cable-in-conduit conductors for the ITER toroidal field magnet. While procuring 27 conductor unit l ...

IEEE Institute of Electrical and Electronics Engineers2016

Performance Analysis of Mass-Produced Nb3Sn Conductor for Central Solenoid in ITER

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák

The performance of two mass-produced Nb3Sn conductors for the ITER central solenoids was tested for the first timmass-produced Nb3Sn conductorse. One was cut from the forward end of an 80-m-long conductor, and the other was cut from the forward end of a 91 ...

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

AC and Mechanical Loss Analysis of the ITER PF RF SULTAN Samples

Pierluigi Bruzzone, Boris Stepanov

Analysis of the AC and mechanical losses of PF RF ITER SULTAN sample test results has been performed. Measurements were provided by the gas flow colorimetric method before and after cyclic mechanical loads. The mechanical loss investigation was carried out ...

IEEE Institute of Electrical and Electronics Engineers2016

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

Statistics of Test Results for the ITER Nb3Sn and NbTi Conductors in the SULTAN Facility

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák

The series production of Nb3Sn and NbTi cable-inconduit conductors (CICC) for the winding of various coils in the International Thermonuclear Experimental Reactor (ITER) magnet system is being completed in 2015. The tests of the ITER conductor samples are ...

IEEE Institute of Electrical and Electronics Engineers2016

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 ...

IEEE Institute of Electrical and Electronics Engineers2014

Design of Large Size, Force Flow Superconductors for DEMO TF Coils

Pierluigi Bruzzone, Boris Stepanov, Kamil Sedlák

The DEMO plant will demonstrate by mid-century the feasibility of electric power generation by nuclear fusion. In the scope of design studies coordinated by the European Commission, CRPP and ENEA are developing two force flow conductor layouts as candidate ...

IEEE Institute of Electrical and Electronics Engineers2014

Collective Flux Jumps observed in the Operation of the EDIPO Magnet

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

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 ...

IEEE Institute of Electrical and Electronics Engineers2014

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