Research on switching devices simplification of multistage XRAM pulse power supply

Zhang Yuchen; Dai Ling; Fan Shengting; Feng Yongjie; Lin Fuchang

doi:10.11884/HPLPB202436.230211

Volume 36 Issue 2

Jan. 2024

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Zhang Yuchen, Dai Ling, Fan Shengting, et al. Research on switching devices simplification of multistage XRAM pulse power supply[J]. High Power Laser and Particle Beams, 2024, 36: 025002. doi: 10.11884/HPLPB202436.230211

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Zhang Yuchen, Dai Ling, Fan Shengting, et al. Research on switching devices simplification of multistage XRAM pulse power supply[J]. High Power Laser and Particle Beams, 2024, 36: 025002. doi: 10.11884/HPLPB202436.230211

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Research on switching devices simplification of multistage XRAM pulse power supply

doi: 10.11884/HPLPB202436.230211

Zhang Yuchen^{1, 2
,},
Dai Ling^{1, 2
,
,},
Fan Shengting^{1, 2},
Feng Yongjie^{1, 2},
Lin Fuchang^{1, 2}

1.
State Key Laboratory of Advanced Electromagnetic Technology (Huazhong University of Science and Technology), Wuhan 430074, China
2.
School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Received Date: 2023-07-08
Accepted Date: 2023-09-15
Rev Recd Date: 2023-09-13

Available Online: 2023-09-18

Publish Date: 2024-01-12

Abstract

Abstract

The ability of electromagnetic emission mainly depends on the pulse power supply system, and the optimization of pulse power supply is one of the key technologies to make further breakthroughs in electromagnetic emission technology. Inductive energy storage type pulse power supply has great advantages in energy density and has far-reaching development potential. The XRAM pulse power supply based on series charging and parallel discharge has the advantages of simple structure and strong expandability. In this paper, the working principle of diode devices in multilevel XRAM power supply topology is analyzed, and a scheme is proposed to simplify the number of diode devices based on function classification. A simulation model is established for a 30-stage XRAM pulse power supply with a railgun load using ICCOS. Each power module consists of five stages, resulting in a total energy storage capacity of 365 kJ for the system, with an emission efficiency of nearly 20%. By comparing the simulation results of model performance indexes before and after simplification, it is proved that the simplified lower arm diode of the first stage is unfavorable to the operation of the multistage power supply. Simplifying the final countercurrent capacitor series diode in the multistage topology, and the antiparallel diode of charging thyristor under the premise of optimizing the countercurrent capacitor parameters, have no obvious effect on the discharge current of the power module.
- electromagnetic launching,
- inductive pulsed power supply,
- XRAM,
- diode,
- modularization

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References(18)

References

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