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| 引用本文： | 贾华,徐辉,刘甫坤,王茂,单家方.EAST���Ӳ�ϵͳ�����߱��������ʵ��[J].核聚变与等离子体物理,2007,27(3):227-230. |
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| 作者姓名： | 贾华 徐辉 刘甫坤 王茂 单家方 |
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| 作者单位： | (?й??????????????????о???????? 230031) |
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| 基金项目： | 国家“九五”重大科学工程子项目 |
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| 摘 要： | 介绍了EAST低杂波系统天馈线保护的设计及其实现。针对EAST装置低杂波系统微波陶瓷窗破裂的原因,在低杂波系统天馈线上设置了高反射保护和打火保护两种保护措施,其中打火保护可以在打火发生后20μs以内迅速切断微波输出。实验结果表明,两种保护并行工作,能有效地保护整个波系统。
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| 关 键 词： | 高反射 打火检测 低杂波 EAST |
| 文章编号： | 0254-6086（2007）03-0227-04 |
| 修稿时间： | 2006-11-28 |
Design and implementation of the protection for LHCD antenna transmission line on EAST tokamak |
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| JIA Hua,XU Hui,LIU Fu-kun,WANG Mao,SHAN Jia-fang.Design and implementation of the protection for LHCD antenna transmission line on EAST tokamak[J].Nuclear Fusion and Plasma Physics,2007,27(3):227-230. |
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| Authors: | JIA Hua XU Hui LIU Fu-kun WANG Mao SHAN Jia-fang |
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| Institution: | ( Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031) |
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| Abstract: | The design and implementation of the protection for LHCD antenna transmission line on EAST tokamak are described in detail. The reasons causing damage to the ceramic windows of the lower hybrid wave(LHW) system on EAST are analyzed, then two safeguards including high reflection protection and arc protection have been designed on the antenna transmission line to avoid the damage. Especially, the arc protection will shut down the microwave output in less than 20?s after arcing. Experimental results prove that the double-acting protections worked at the same moment, and protected the whole system efficiently. |
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| Keywords: | High reflection Arc detection Lower hybrid wave EAST |
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