High Power Laser and Particle Beams, Volume. 37, Issue 3, 035009(2025)
Different voltage limiting methods of pulse power supply based on superconducting pulse transformer
Figures & Tables(15)
Fig. 1. Pulsed power supply circuit based on ZnO varistor limiting voltage
Fig. 2. Pulsed power supply circuit based on capacitance limiting voltage
Fig. 3. Pulsed power supply circuit with voltage limiting combination of varistor and capacitor
Fig. 7. Small experimental circuit platform for principle verification
Table 1. Parameters of the superconducting pulsed transformer
View tableView in ArticleTable 1. Parameters of the superconducting pulsed transformer
primary inductance/mH secondary inductance/μH coupling coefficient primary resistance/mΩ secondary resistance/mΩ coil critical current/kA 6.21 60.91 0.974 1 2 2.2
Table 2. Comparison of simulation results of voltage limiting by different varistors
View tableView in ArticleTable 2. Comparison of simulation results of voltage limiting by different varistors
UT/kV α I2m/kA T1/ms U1m/kV η/% Ir/kA 1 0.03 17.62 1.21 1.49 54.91 1.45 2 0.02 19.10 0.88 2.61 60.78 1.41 2 0.03 19.19 0.74 2.94 61.30 1.40 2 0.04 19.27 0.72 3.08 61.53 1.39 3 0.03 19.51 0.47 4.39 62.56 1.38 4 0.03 19.64 0.33 5.83 62.92 1.37
Table 3. Comparison of simulation results of different capacitance limiting voltages
View tableView in ArticleTable 3. Comparison of simulation results of different capacitance limiting voltages
C/μF I2m/kA T1/ms U1m/kV η/% Ir/kA 100 19.67 0.48 6.28 77.11 1.65 250 19.46 0.77 4.07 76.85 1.67 500 19.22 1.15 2.95 76.33 1.71 750 18.97 1.43 2.46 75.77 1.73 1000 18.78 1.69 2.17 75.24 1.75
Table 4. Comparison of simulation results of different combination limiting voltages
View tableView in ArticleTable 4. Comparison of simulation results of different combination limiting voltages
C/μF UT/kV I2m/kA T1/ms U1m/kV η/% Ir/kA 100 1 17.63 1.16 1.41 52.00 1.46 100 2 19.24 0.84 2.84 60.24 1.47 100 3 19.53 0.58 4.25 64.38 1.50 250 2 19.21 0.94 2.83 63.24 1.55 750 2 18.98 1.42 2.46 70.09 1.69
Table 5. Comparison of simulation results of three voltage limiting circuits
View tableView in ArticleTable 5. Comparison of simulation results of three voltage limiting circuits
I2m/kA T1/ms U1m/kV η/% Ir/kA varistor voltage limiting 19.19 0.74 2.94 61.30 1.40 capacitance voltage limiting 19.22 1.15 2.95 76.33 1.71 combination voltage limiting 19.21 0.94 2.83 63.24 1.55
Table 6. Parameters of the superconducting pulsed transformer
View tableView in ArticleTable 6. Parameters of the superconducting pulsed transformer
primary inductance/mH secondary inductance/μH coupling coefficient primary resistance/mΩ secondary resistance/mΩ coil critical current/A 6.45 34.18 0.96 1.4 2.2 110
Table 7. Comparison of experimental results of different parameters of combination voltage limiting circuits
View tableView in ArticleTable 7. Comparison of experimental results of different parameters of combination voltage limiting circuits
C/μF UT/V I2m/A T1/ms U1m/V η/% Ir/A 15 250 1210 0.31 355 58.96 42 15 300 1224 0.23 421 63.00 47 15 400 1280 0.19 479 71.66 51 25 250 1223 0.32 346 70.43 54 100 250 1270 0.51 300 82.53 60 100 / 1275 0.52 300 84.05 60
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Junpeng Gu, Haitao Li, Yiyong Wang, Tingli Qiao, Shanhui Mi, Ningze Ma. Different voltage limiting methods of pulse power supply based on superconducting pulse transformer[J]. High Power Laser and Particle Beams, 2025, 37(3): 035009
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Received: Oct. 11, 2024
Accepted: Jan. 26, 2025
Published Online: Apr. 29, 2025
The Author Email: Haitao Li (lihaitao840812@163.com)
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