Development of dual front-stage voltage fast pulsed power supply

Li Mingrui; Wang Xiaojun; Gao Daqing; Gao Jie; Li Jiqiang; Yan Kaiming; Zhang Yuqiang; Sun Mengyan; Huo Anzhou; Wang Zhengyu; Zhao Xin

doi:10.11884/HPLPB202537.240344

Volume 37 Issue 3

Feb. 2025

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Li Mingrui, Wang Xiaojun, Gao Daqing, et al. Development of dual front-stage voltage fast pulsed power supply[J]. High Power Laser and Particle Beams, 2025, 37: 035010. doi: 10.11884/HPLPB202537.240344

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Li Mingrui, Wang Xiaojun, Gao Daqing, et al. Development of dual front-stage voltage fast pulsed power supply[J]. High Power Laser and Particle Beams, 2025, 37: 035010. doi: 10.11884/HPLPB202537.240344

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Development of dual front-stage voltage fast pulsed power supply

doi: 10.11884/HPLPB202537.240344

Li Mingrui^{1, 2
,},
Wang Xiaojun^{1, 2},
Gao Daqing^{1, 2
,
,},
Gao Jie^{1, 2},
Li Jiqiang¹,
Yan Kaiming¹,
Zhang Yuqiang¹,
Sun Mengyan²,
Huo Anzhou¹,
Wang Zhengyu¹,
Zhao Xin¹

1.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
2.
School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2024-09-27
Accepted Date: 2025-02-01
Rev Recd Date: 2025-02-01

Available Online: 2025-03-01

Publish Date: 2025-03-15

Abstract

Abstract

A fast pulsed power supply is developed to meet the requirements of High Intensity heavy-ion Accelerator Facility (HIAF) ion source. Based on front-stage voltage fast switching method, we proposed a circuit topology ensuring fast rising of current and flat top stability. In this paper the circuit is analyzed, the essential parameters of the circuit are calculated, and the control method is established for adapting abruptly-changed voltage. A 16 kW power supply based on the principle of modular manufacturing was tested on real magnet load. The results show the value of flat top current reaches 570 A, the error is less than ±1×10⁻⁴, the repetition frequency reaches 3 Hz, the rise time and fall time is less than 30 ms, the flat top time can be set within 900 ms.
- fast switching,
- pulsed power supply,
- front-stage voltage,
- abrupt-changed,
- modularized

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References(15)

References

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