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View article: EUROfusion contributions to ITER nuclear operation
EUROfusion contributions to ITER nuclear operation Open
ITER is of key importance in the European fusion roadmap as it aims to prove the scientific and technological feasibility of fusion as a future energy source. The EUROfusion consortium of labs within Europe is contributing to the preparati…
View article: Overview on electrical issues faced during the SPIDER experimental campaigns
Overview on electrical issues faced during the SPIDER experimental campaigns Open
View article: Partial discharges detection in 1 MV power supplies in MITICA experiment, the ITER heating neutral beam injector prototype
Partial discharges detection in 1 MV power supplies in MITICA experiment, the ITER heating neutral beam injector prototype Open
View article: First operations with caesium of the negative ion source SPIDER
First operations with caesium of the negative ion source SPIDER Open
The negative-ion based neutral beam injector for heating and current drive of the ITER plasma (ITER HNB) is under development, at present focusing on the optimization of the full-scale plasma source in the SPIDER test stand. The production…
View article: First operation in SPIDER and the path to complete MITICA
First operation in SPIDER and the path to complete MITICA Open
The requirements of ITER neutral beam injectors (1 MeV, 40 A negative deuterium ion current for 1 h) have never been simultaneously attained; therefore, a dedicated Neutral Beam Test Facility (NBTF) was set up at Consorzio RFX (Padova, Ita…
View article: Progress in the ITER neutral beam test facility
Progress in the ITER neutral beam test facility Open
Heating neutral beam (HNB) injectors, necessary to achieve burning conditions and to control plasma instabilities in ITER, are characterized by such demanding parameters that a neutral beam test facility (NBTF) dedicated to their developme…
View article: Progress in the ITER neutral beam test facility
Progress in the ITER neutral beam test facility Open
Heating neutral beam (HNB) injectors, necessary to achieve burning conditions and to control plasma instabilities in ITER, are characterized by such demanding parameters that a neutral beam test facility (NBTF) dedicated to their developme…
View article: SPIDER in the roadmap of the ITER neutral beams
SPIDER in the roadmap of the ITER neutral beams Open
View article: Numerical investigation of the early operational phase of the negative ion test facility SPIDER: Beam features
Numerical investigation of the early operational phase of the negative ion test facility SPIDER: Beam features Open
The ITER tokamak requires two injectors of neutral beams resulting from the neutralisation of accelerated negative hydrogen/deuterium ions. To optimise the source operation, a specific test facility (“PRIMA”) was established in Padova, com…
View article: Start of SPIDER operation towards ITER neutral beams
Start of SPIDER operation towards ITER neutral beams Open
Heating Neutral Beam (HNB) Injectors will constitute the main plasma heating and current drive tool both in ITER and JT60-SA, which are the next major experimental steps for demonstrating nuclear fusion as viable energy source. In ITER, in…
View article: The PRIMA Test Facility: SPIDER and MITICA test-beds for ITER neutral beam injectors
The PRIMA Test Facility: SPIDER and MITICA test-beds for ITER neutral beam injectors Open
The ITER Neutral Beam Test Facility (NBTF), called PRIMA (Padova Research on ITER Megavolt Accelerator), is hosted in Padova, Italy and includes two experiments: MITICA, the full-scale prototype of the ITER heating neutral beam injector, a…
View article: The ITER Neutral Beam Test Facility towards SPIDER operation
The ITER Neutral Beam Test Facility towards SPIDER operation Open
SPIDER is one of two projects of the ITER Neutral Beam Test Facility under construction in Padova, Italy, at the Consorzio RFX premises. It will have a 100 keV beam source with a full-size prototype of the radiofrequency ion source for the…
View article: The DTT device: Power supplies and electrical distribution system
The DTT device: Power supplies and electrical distribution system Open
This paper presents the design criteria and the preliminary characteristics of the power supply and electrical systems of the Divertor Tokamak Test (DTT) facility. The power supply system has to feed: 6 superconducting modules of the centr…
View article: Heating Neutral Beams for ITER: Present Status
Heating Neutral Beams for ITER: Present Status Open
—The heating neutral beam (HNB) systems at ITER are designed to inject a total of 33 MW of either 1 MeV D0 or 870 keV H0 beams into the ITER plasma using two injectors with a possible addition of a third injector later to increase the inje…
View article: Numerical simulations of the first operational conditions of the negative ion test facility SPIDER
Numerical simulations of the first operational conditions of the negative ion test facility SPIDER Open
In view of the realization of the negative ion beam injectors for ITER, a test facility, named SPIDER, is under construction in Padova (Italy) to study and optimize production and extraction of negative ions. The present paper is devoted t…
View article: Final design of the beam source for the MITICA injector
Final design of the beam source for the MITICA injector Open
The megavolt ITER injector and concept advancement experiment is the prototype and the test bed of the ITER heating and current drive neutral beam injectors, currently in the final design phase, in view of the installation in Padova Resear…