Un esempio di partecipazione industriale a ITER: II · INFN -Energia e Industria verso Horizon 2020 e nuovi mercati – Genova 15-16 gennaio 2014 ITER is based on the 'tokamak' concept

INFN-Energia e Industria verso Horizon 2020 e nuovi mercati – Genova 15-16 gennaio 2014

www.as-g.it

Un esempio di partecipazione industriale a ITER: II

S. Pittaluga,

ASG Superconductors


ITER is based on the 'tokamak' concept of magnetic confinement, in which the plasma is contained in a doughnut-shaped vacuum vessel. The fuel—a mixture of deuterium and tritium, two isotopes of hydrogen—is heated to temperatures in excess of 150 million°C, forming a hot plasma. Strong magnetic fields are used to keep the plasma away from the walls; these are produced by superconducting coils surrounding the vessel, and by an electrical current driven through the plasma

International Tokamak Experimental Reactor


Unprecedented size and technology: large and heavy components, challenging to be built by industry (one of a kind pieces)

Project Challenges

Highly integrated components, built in different parts of the world: quality assurance, machine interface, integration

How to make it profitable: additional and not negligible requirement for industry

The Consortium made by ASG, Iberdrola Ingenieria and Elytt Energy has been awarded the contract for the supply of the10 European TFC WPs in July 2010.

The 18 toroidal field (TF) magnets produce a magnetic field around the torus, whose primary function is to confine theplasma particles

TFC Coils contractA

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• Technical Responsible of the

project

• Site Responsible

• Manufacturing of all (10) WP

•Design & Manufacturing of

specific tooling

•Project Management and

Schedule

•Quality Assurance

•Engineering support


The poloidal field (PF) magnets pinch the plasma away from the walls and contribute in this way to maintaining the plasma's shape and stability. The poloidal field is induced both by the magnets and by the current drive in the plasma itself


TF WP Facility

The manufacturing facility

The manufacturing activities are taking place in a workshop in the city of La

Spezia, 100km southwards of ASG’s headquarters in Genova.

1.2Km to the commercial harbour

ASG Superconductors s.p.a. reserves all rights on this document that can not be reproduced in any part

without its written consent


The manufacturing facility



The workshop extends over an area of

25000m2, 4bays and an office building.

It hosts a clean area extending over 6000m2


Material Reception and Acceptance

DP Winding He-Inlet & Terminations Assembly

Conductor HT Conductor Insertion into RP RP

Turn Insulation & Cover Welding

Ground insulation / VPI DP Stacking / Ground insulation / VPI

Terminations assembly and WP test before shipment

Manufacturing Process




Manufacturing Process – Floor plan

Tooling/Plants installed and commissioned.

Tooling/Plants installed and yet to be commissioned.

The workshop extends over 25000m2, over 4 bays, one of which is currently not used.

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Clean Area.


Bay 1 – Class ISO 8 clean condition over 6000m2

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Winding Line – Commissioned April 2012A

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DP Layers Separation – He-inlet, Terminations AssemblyA

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RHT Furnace – Commissioned – Dec. 2012A

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DP transfer into RP Plant –Commissioned – Dec 12A

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RP CP Laser Welding Plant – Commissioned

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Paschen Test Vacuum Chamber Installed And tested - Feb. 2013A

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Turn Insulation Wrapping Station, installed in dec. 2013A

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Winding of DP prototype: DONE in summer 2013


Reaction Heat Treatment of DP prototype: DONE in winter 2013


Transfer of DP prototype into RP: DONE in 2014


Conclusions

After 3 years in the project:

• Design and manufacture of the main tooling has proved to be a very

challenging task, many novel issues requiring novel solutions,

• All the special tooling for DP manufacturing have either been positively

commissioned or in the final assembly/installation phases,

• The procedures for the acceptance of conductors and RPs have been

tested and are routinely executed,

• The Prototype DP related activities are underway and turn insulation is

planned in the next weeks. Passage from stage 1 (R&D + process

qualification) to stage 2 & 3 (manufacturing of 1st and subsequent WPs)

awarded to CON at the end of 2013. Production has already started

(winding of first series DP).


Documents

Un esempio di partecipazione industriale a ITER: II · INFN -Energia e Industria verso Horizon 2020 e nuovi mercati – Genova 15-16 gennaio 2014 ITER is based on the 'tokamak' concept