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Servo-control of plasma position in Cleo-Tokamak

J. Hugill, A. Gibson1974年被引用 54Nuclear FusionIF 3出版社

A system for servo-control of the plasma position in a tokamak discharge is described. Measurements of the stability boundary of the servo-loop in the Cleo-Tokamak apparatus are presented and compared with a theoretical model. They show reasonable agreement. Using servo-control, the discharge time was extended from 110 ms to nearly 200 ms, and the plasma remained within ±10 mm of the centre of the vacuum vessel for up to 140 ms. The instability caused by a deliberately applied vertical field with positive gradient was stabilized.

日本語訳

トカマク放電におけるプラズマ位置のサーボ制御のためのシステムについて述べる。Cleo-Tokamak装置におけるサーボループの安定境界の測定結果を示し、理論モデルと比較する。それらは妥当な一致を示す。サーボ制御を用いることにより、放電時間は110 msからほぼ200 msに延長され、プラズマは真空容器の中心から±10 mm以内に最大140 msの間留まった。正の勾配を持つ垂直磁場を意図的に印加することによって引き起こされる不安定性は、安定化された。

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