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Feedback stabilization of rigid axisymmetric modes in tokamaks

S.C. Jardin, D.A. Larrabee1982年被引用 45Nuclear FusionIF 3出版社

Non-circular tokamak plasmas can be unstable to ideal-MHD axisymmetric instabilities. Passive conductors with finite resistivity will at best slow down these instabilities to the resistive (L/R) time of the conductors. It is demonstrated that a simple active feedback system far from the plasma which responds on this resistive time can stabilize the system, provided its mutual inductance with the passive coils is small enough.

日本語訳

非円形トカマクプラズマは、理想MHD軸対称不安定性に対して不安定となり得る。有限抵抗率を有する受動導体は、せいぜいこれらの不安定性を導体の抵抗性(L/R)時間まで減速させるに過ぎない。プラズマから遠方に位置し、この抵抗性時間に応答する単純な能動フィードバックシステムが、その受動コイルとの相互インダクタンスが十分に小さい場合、システムを安定化できることが実証される。

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