Development of 600 A repetitively pulsed constant current source

Yang Zhenyu; Li Liuxia; Zhang Qin; Li Hua; Lin Fuchang

doi:10.11884/HPLPB202234.210510

Volume 34 Issue 9

Jun. 2022

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Yang Zhenyu, Li Liuxia, Zhang Qin, et al. Development of 600 A repetitively pulsed constant current source[J]. High Power Laser and Particle Beams, 2022, 34: 095017. doi: 10.11884/HPLPB202234.210510

Citation:

Yang Zhenyu, Li Liuxia, Zhang Qin, et al. Development of 600 A repetitively pulsed constant current source[J]. High Power Laser and Particle Beams, 2022, 34: 095017. doi: 10.11884/HPLPB202234.210510

Yang Zhenyu, Li Liuxia, Zhang Qin, et al. Development of 600 A repetitively pulsed constant current source[J]. High Power Laser and Particle Beams, 2022, 34: 095017. doi: 10.11884/HPLPB202234.210510

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Development of 600 A repetitively pulsed constant current source

doi: 10.11884/HPLPB202234.210510

School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Received Date: 2021-11-23
Rev Recd Date: 2022-01-22

Available Online: 2022-02-18

Publish Date: 2022-06-17

Abstract

Abstract

As the present of pulsed constant current source have problems of low amplitude and repetition frequency, we design a pulsed constant current source adopting integral feedback to get closed-loop current control, build the mathematical model and verify the function of the circuit by Pspice. The source adopts the working mode of energy storage and discharging with high-speed switch, uses MOSFET as linear adjustment switch and can be used for laser diodes loads. The maximum output current pulse is 600 A with adjustable pulse width from 100 μs to 600 μs, the largest output voltage is 320 V, the rising edge is under 40 μs and the maximum repetition frequency is 200 Hz. The structure of the source is compact, and the efficiency of the source can reach more than 90%.
- pulsed constant current source,
- repetition frequency,
- MOSFET,
- fast rising edge,
- high power pulsed source

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References(16)

References

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