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TJ-II:Magnetics: Difference between revisions
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== Rogowski coils == | == Rogowski coils == | ||
Two Rogowski coils have been installed in [[TJ-II:Sectors|sectors]] A5 (148.7°) and B4 (211.3°). Since the coils have to surround the plasma column completely, they are located under the protecting tiles of the groove that runs toroidally all along the [[TJ-II:Vacuum system|vacuum vessel]]. For this purpose, 2 mm deep channels were machined on the vacuum side of the groove, at the above mentioned poloidal cross sections, in order to allow enough space for the coils. | Two Rogowski coils have been installed in [[TJ-II:Sectors|sectors]] A5 (148.7°) and B4 (211.3°) ''(Note: the angles are inconsistent)''. Since the coils have to surround the plasma column completely, they are located under the protecting tiles of the groove that runs toroidally all along the [[TJ-II:Vacuum system|vacuum vessel]]. For this purpose, 2 mm deep channels were machined on the vacuum side of the groove, at the above mentioned poloidal cross sections, in order to allow enough space for the coils. | ||
The signals 'Ip_a5_' and 'Ip_b4_' in the [[TJ-II:Shot database|TJ-II database]] provide the corresponding measurements of the net plasma current. | The signals 'Ip_a5_' and 'Ip_b4_' in the [[TJ-II:Shot database|TJ-II database]] provide the corresponding measurements of the net plasma current. | ||