Development of a 240 kJ modularized pulsed power supply

Li Songjie; Zhao Juan; Kang Chuanhui; Huang Yupeng; Deng Weijun; Xiao Jinshui; Ding Mingjun; Li Bo; Guan Jian; Mao Aohua; Li Hongtao; E Peng; Ma Xun

doi:10.11884/HPLPB202234.210564

Volume 34 Issue 9

Jun. 2022

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Li Songjie, Zhao Juan, Kang Chuanhui, et al. Development of a 240 kJ modularized pulsed power supply[J]. High Power Laser and Particle Beams, 2022, 34: 095015. doi: 10.11884/HPLPB202234.210564

Citation:

Li Songjie, Zhao Juan, Kang Chuanhui, et al. Development of a 240 kJ modularized pulsed power supply[J]. High Power Laser and Particle Beams, 2022, 34: 095015. doi: 10.11884/HPLPB202234.210564

Li Songjie, Zhao Juan, Kang Chuanhui, et al. Development of a 240 kJ modularized pulsed power supply[J]. High Power Laser and Particle Beams, 2022, 34: 095015. doi: 10.11884/HPLPB202234.210564

Citation:

Li Songjie, Zhao Juan, Kang Chuanhui, et al. Development of a 240 kJ modularized pulsed power supply[J]. High Power Laser and Particle Beams, 2022, 34: 095015. doi: 10.11884/HPLPB202234.210564

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Development of a 240 kJ modularized pulsed power supply

doi: 10.11884/HPLPB202234.210564

1.
Institute of Fluid Physics, CAEP, Mianyang 621900, China
2.
Space Environment Simulation Research Infrastructure, Harbin Institute of Technology, Harbin 150001, China

Received Date: 2021-12-20
Rev Recd Date: 2022-05-16

Available Online: 2022-05-21

Publish Date: 2022-06-17

Abstract

Abstract

The space plasma environment research facility (SPERF) is used to simulate the space magnetic field and plasma environment on earth. To generate a pulse current across the 3.5 μH, 0.8 mΩ toroidal field (TF) coils, a modularized capacitor-based pulsed power supply (PPS) was built. The rise time of the pulse current was approximately 130 μs, and the peak current was 260 kA. To avoid damage to the PPS when the coil load was short-circuited, the circuit parameters of the PPS, such as the number of modules, the inductance of the protection inductor, were calculated based on current waveform requirements and the maximum ratings of the thyristor switch. Since the inductance of the coil load was relatively small, the output cable was used as both the transmission line and the protection inductor, and a 4-module PPS was designed and fabricated. Simulation results indicate that the 4-module PPS design meets the demand of both the current waveform and the maximum ratings of the thyristor switch, and the discharge test further proves the output current waveform of the PPS agrees with the simulation results.
- pulsed power supply,
- modularized,
- protection inductor,
- thyristor switch,
- transmission cable

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References(18)

References

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