Analysis and design improvement of MCP-PMT high-voltage breakdown fault based on high voltage module power supply

Ma Liehua; Long Jidong; Chen Yongtao; Wang Cheng; Ding Mingjun; Li Bo; Li Yanmin; Ai Jie

doi:10.11884/HPLPB202234.210475

Volume 34 Issue 9

Jun. 2022

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Ma Liehua, Long Jidong, Chen Yongtao, et al. Analysis and design improvement of MCP-PMT high-voltage breakdown fault based on high voltage module power supply[J]. High Power Laser and Particle Beams, 2022, 34: 095007. doi: 10.11884/HPLPB202234.210475

Citation:

Ma Liehua, Long Jidong, Chen Yongtao, et al. Analysis and design improvement of MCP-PMT high-voltage breakdown fault based on high voltage module power supply[J]. High Power Laser and Particle Beams, 2022, 34: 095007. doi: 10.11884/HPLPB202234.210475

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Analysis and design improvement of MCP-PMT high-voltage breakdown fault based on high voltage module power supply

doi: 10.11884/HPLPB202234.210475

Institute of Fluid Physics, CAEP, P.O.Box 919-120, Mianyang

Received Date: 2021-11-09
Accepted Date: 2022-03-18
Rev Recd Date: 2021-12-26

Available Online: 2022-03-21

Publish Date: 2022-06-17

Abstract

Abstract

To overcome the large size and poor portability of MCP-PMT traditional high-voltage power supply equipment, a high-voltage power supply mode based on miniaturized high-voltage module is adopted. During the practical use of the system, a high-voltage breakdown fault of MCP-PMT occurred. In this paper, the fault causes of the system are analyzed in detail, and the problem is identified as the decline of withstand voltage performance caused by the decline of internal vacuum of MCP-PMT, and it is also found that the high voltage overshoot of the high voltage module at the time of power-up is the cause of this fault. Aiming at the overshoot problem of high-voltage module, this paper puts forward a more ingenious design improvement method and achieves good results, which further improves the engineering application reliability of MCP-PMT system.
- MCP-PMT,
- high-voltage module,
- high-voltage breakdown

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References(9)

References

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