高功率速调管聚焦磁场设计研究
Design of focusing magnet for high power klystron
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摘要: 国产45 MW速调管是在原国产30 MW HK-1型速调管的基础上改进和发展起来的，其聚焦磁场设计也是参照30 MW速调管聚焦磁场设计并在其基础上加工改造完成。为此必须对旧聚焦系统进行改造，设计出符合需要的磁场分布，以满足45 MW速调管工作的需要。首先从理论上找出速调管工作时的理想磁场值，根据该磁场分布设计出相应的线圈结构；其次根据45 MW速调管的结构尺寸，对30 MW速调管的线圈支架进行改造，利用旧线圈和新支架组成新的聚焦系统；最后，根据理论模拟和测试结果，调整和优化各组线圈的电流值，给出速调管工作时的各组聚焦电源运行参考值。叙述了新聚焦线圈的理论设计和测试分析，包括新线圈支架的设计、水冷系统与线圈的结构安排和整体的测试结果，最后根据速调管高功率测试运行状态给出速调管工作时的聚焦线圈电流的参考值。Abstract: An S-band 45 MW pulsed klystron is developed in Institute of High Energy Physics (IHEP).This klystron is a modified version of the existing 30 MW tube, which produces 45 MW at a 320 kV beam voltage by optimizing the focusing magnetic field. Therefore, the focusing coil needs to be re-arranged and its supporting structure is newly designed to meet 45 MW klystron demands. This paper describes the design, manufacture and operation of the focusing magnet system. The results of the magnetic field, the high power of the tube are presented. The operation status of the focusing magnet system is also included. The high power test results of the prototype tube show that the design, the manufacture and the operation of the focusing magnet system are successful.
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Key words:
- high power /
- klystron /
- studies /
- design /
- focusing magnet
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