• High Power Laser and Particle Beams
  • Vol. 36, Issue 1, 013013 (2024)
Ce Xu1, Hui Liu1, Jianhua Liu1, Yinming Dai1, Shunzhong Chen1, Junsheng Cheng1, Qiuliang Wang1, Shaofei Huo2, Yanchao Shi2, and Huijie Huang2
Author Affiliations
  • 1Key Laboratory of Applied Superconductivity, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
  • 2Key Laboratory of Advanced High Power Microwave Technology, Northwest Institute of Nuclear Technology, Xi’an 710024, China
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    DOI: 10.11884/HPLPB202436.230334 Cite this Article
    Ce Xu, Hui Liu, Jianhua Liu, Yinming Dai, Shunzhong Chen, Junsheng Cheng, Qiuliang Wang, Shaofei Huo, Yanchao Shi, Huijie Huang. Development of conduction-cold high temperature superconductingmagnet for high power microwave devices[J]. High Power Laser and Particle Beams, 2024, 36(1): 013013 Copy Citation Text show less
    Composition and position of the HTS magnet modules
    Fig. 1. Composition and position of the HTS magnet modules
    Magnetic field distribution of the 4 T superconducting magnet
    Fig. 2. Magnetic field distribution of the 4 T superconducting magnet
    Outer skeleton and tooling skeleton
    Fig. 3. Outer skeleton and tooling skeleton
    Configuration of the 4 T superconducting magnet system
    Fig. 4. Configuration of the 4 T superconducting magnet system
    Configuration of tapered structure
    Fig. 5. Configuration of tapered structure
    Stress cloud of superconducting magnet
    Fig. 6. Stress cloud of superconducting magnet
    Cooling curves of the various parts of the magnet structure
    Fig. 7. Cooling curves of the various parts of the magnet structure
    Voltage of the coil pancakes during the excitation process
    Fig. 8. Voltage of the coil pancakes during the excitation process
    Voltage of the coil pancakes during the excitation stabilized process at operating temperature 48.9 K
    Fig. 9. Voltage of the coil pancakes during the excitation stabilized process at operating temperature 48.9 K
    Field strength and current changes during excitation and demagnetization
    Fig. 10. Field strength and current changes during excitation and demagnetization
    temperature/KIc/A
    00.5 T1.0 T1.5 T2.0 T2.5 T3.0 T3.5 T4.0 T4.5 T5.0 T5.5 T6.0 T6.5 T7.0 T
    40399.0241.8190.2170.1153.6140.4129.3122.1112.5105.999.093.087.683.478.6
    50296.7168.6135.9120.0106.296.088.881.975.669.664.560.056.151.648.6
    Table 1. The Ic-B-θ-T characteristics curve of REBCO strip at 40 K and 50 K in vertical fields
    temperature/Kheat leakage of supports/Wheat leakage of current leads/Wradiation/Wradial resistance/Wjoint resistance/Wsum/W
    402.00.30.10.02510.03482.46
    775.28.015.0\\28.00
    Table 2. Thermal load of the cryostat
    No.materialtemperature/Kdensity/(g/cm3)Young’s modulus@300 K/GPaPoisson’s ratiocoefficient of linear expansion/(10−5 K−1)
    1PAI40~3001.66.40.431.0
    2AISI 30440/3007.9200.00.301.3
    31100 AL802.770.00.301.5
    4T2 Cu408.970.00.301.0
    Table 3. Material property of each component of magnet
    axialityUx/mmUy/mmUz/mmUsum/mm
    y random vibrationp-axis deviation4.64E-042.09E-022.08E-042.08E-02
    s-axis deviation1.29E-032.02E-022.02E-042.03E-02
    z random vibrationp-axis deviation4.80E-05−1.52E-042.53E-022.53E-02
    s-axis deviation3.44E-041.80E-032.51E-022.52E-02
    x random vibrationp-axis deviation6.32E-032.34E-041.03E-056.32E-03
    s-axis deviation6.39E-032.73E-049.90E-066.40E-03
    Table 4. Influence of random vibration of highway spectrum in three directions on the axis of magnet
    Ce Xu, Hui Liu, Jianhua Liu, Yinming Dai, Shunzhong Chen, Junsheng Cheng, Qiuliang Wang, Shaofei Huo, Yanchao Shi, Huijie Huang. Development of conduction-cold high temperature superconductingmagnet for high power microwave devices[J]. High Power Laser and Particle Beams, 2024, 36(1): 013013
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