Preliminary analysis of plasma current quench is presented in this paper based on the disruption database. It demon-strates that 26.8%discharges have disrupted in the last 2012 campaign, in addition, plasma disruptive rate grows with the increase of plasma current. Best-fit linear and instantaneous plasma current quench rate is extracted from the recent EAST disruptions, showing that 80%–30%interval of the maximum plasma current is well fit for EAST device. The lowest area-normalized current quench time is 3.33 ms/m2 with the estimated plasma electron temperature being 7.3 eV∼9.5 eV. In the disruption case the maximum eddy current goes up to 400 kA, and a fraction of currents are respectively driven on upper and lower outer plate with nearly 100 MPa–200 MPa stress in the leg.
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机译：本文基于干扰数据库对等离子体电流猝灭进行了初步分析。它表明，在上一次2012年的竞选活动中，有26.8％的放电中断，此外，随着等离子体电流的增加，等离子体的破坏率也随之增加。从最近的EAST中断中提取了最佳拟合的线性和瞬时等离子体电流猝灭速率，这表明最大等离子体电流间隔的80％–30％非常适合EAST设备。最小面积归一化电流猝灭时间为3.33 ms / m2，估计的等离子体电子温度为7.3 eV〜9.5 eV。在破裂的情况下，最大涡流达到400 kA，一部分电流分别在上外板和下外板上以大约100 MPa–200 MPa的应力被驱动。
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