Stray magnetic field at plasma initiation produced by ferromagnetic elements of the ITER tokamak complex

V. Amoskov D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, Russia

A. Belov D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, Russia

V. Belyakov D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, Russia

Yu. Gribov ITER Organization, CS 90 046, Building 523, 13067, Saint Paul-lez-Durance Cedex, France

A. Kavin D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, Russia

V. Kukhtin D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, Russia

E. Lamzin D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, Russia

K. Lobanov D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, Russia

N. Maximenkova D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, Russia

A. Mineev D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, Russia

S. Sytchevsky D.V. Efremov Institute, Doroga na Metallostroy, Saint Petersburg, 196641, RussiaCorrespondence[email protected]

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Abstract

The stray magnetic fields produced at plasma initiation (in particular at the gas breakdown (BD)) by the ITER tokamak complex building have been studied. The influence of global elements of the tokamak complex building is estimated. The scenario of plasma initiation was designed and simulated using virtual coils with currents producing a magnetic field in the BD region similar to that from the building.

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Stray magnetic field at plasma initiation produced by ferromagnetic elements of the ITER tokamak complex

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Stray magnetic field at plasma initiation produced by ferromagnetic elements of the ITER tokamak complex

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