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ECW/EBW Heating and Current Drive Experiment Results and Prospects for CW Operation in QUEST

机译：QUEST中的ECW / EBW加热和电流驱动实验结果以及CW操作的前景

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A CW phased-array antenna system for electron cyclotron/Bernstein wave heating and current drive (ECWH/CD, EBWH/CD) experiments was developed in the QUEST. The antenna was designed to excite an elliptically polarized pure O-mode wave in oblique injection for the O-X-B mode conversion scenario, and its good performance was confirmed at a high power level. Long pulse discharges with a plasma current of 10 kA and 15 kA were non-inductively attained for 37 s and 20 s, respectively, with only radio frequency (RF) power. Divertor configurations were also obtained in the RF-sustained plasmas. A new operational window for sustained plasma current was observed in the high-density plasma with a higher RF incident power. Two new heating and current drive systems with an 8.56 GHz klystron and a 28 GHz gyrotron are being prepared to conduct CW EBWH/CD experiments in the high-density plasma.
机译：在QUEST中开发了用于电子回旋加速器/ Bernstein波加热和电流驱动（ECWH / CD，EBWH / CD）实验的CW相控阵天线系统。该天线被设计为在O-X-B模式转换情况下以倾斜注入的方式激发椭圆偏振的纯O模式波，并在高功率水平下确认了其良好的性能。仅使用射频（RF）功率，分别在30 s和20 s内无电感地获得了等离子体电流分别为10 kA和15 kA的长脉冲放电。在RF维持等离子体中也获得了分流器配置。在具有较高RF入射功率的高密度等离子体中，观察到了持续的等离子体电流的新操作窗口。正在准备使用8.56 GHz速调管和28 GHz旋流器的两个新的加热和电流驱动系统，以在高密度等离子体中进行CW EBWH / CD实验。

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