| XIPAF磁铁电源电流纹波对慢引出的影响 |
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| 引用本文： | 张琪,郑曙昕,李光锐,姚红娟,关遐令,黄文会,王学武.XIPAF磁铁电源电流纹波对慢引出的影响[J].强激光与粒子束,2018,30(8):085101-1-085101-5. |
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| 作者姓名： | 张琪 郑曙昕 李光锐 姚红娟 关遐令 黄文会 王学武 |
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| 作者单位： | 1.教育部粒子技术与辐射成像国家重点实验室(清华大学), 北京 100084 |
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| 摘 要： | 从理论和模拟两方面研究了西安质子应用装置二极铁、四极铁电源电流纹波对引出束流的影响，并根据模拟结果确定出以下单种磁铁电源电流纹波标准:对于聚焦四极铁电源，电流纹波/设定值应小于1.2×10-4；对于散焦四极铁电源，电流纹波/设定值应小于2×10-3；对于二极铁电源，电流纹波/设定值应小于4×10-4。因西安质子应用装置同步环上所有磁铁电源采用同一纹波标准，综合考虑所有磁铁电源电流纹波后，最终确定电源电流纹波/设定值应小于1×10-4。
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| 关 键 词： | RF-KO 电流纹波 慢引出 |
| 收稿时间： | 2017-11-06 |
Influence of dipole and quadrupole power ripple on slow extraction for XIPAF |
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| Institution: | 1.Key Laboratory of Particle & Radiation Imaging (Tsinghua University), Ministry of Education, Beijing 100084, China2.Laboratory for Advanced Radiation Sources and Application, Tsinghua University, Beijing 100084, China3.Department of Engineering Physics, Tsinghua University, Beijing 100084, China |
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| Abstract: | The third resonant slow extraction and RF-knockout technology was adopted for Xi'an Proton Application Facility (XIPAF), which was designed for proton single event effects research.The influence of dipole and quadrupole power ripple on extracted spill was explored theoretically and simulated via TrackAll.According to a series of simulation results, ΔI/Iset≤1.2×10-4 for the quadrupole-focusing power converter, ΔI/Iset≤2×10-3 for the quadrupole defocusing converter andΔI/Iset≤4×10-4 for the dipole converter are acceptable, whereΔI represents the variance of the ouput current caused by power ripple and Iset represents the standard value of the output current without ripple.Since the synchrotron's power converters in XIPAF satisfy the same standard in terms of power ripple, it is confirmed thatΔI/Isetshould be limited to 1×10-4 for all power converters. |
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