Analysis of the failure of BEPCⅡ SRF cavities

Xiao Linge; Dai Jianping; Wang Qunyao; Lin Haiying; Ma Qiang; Mt Zhenghui; Sun Yi; Wang Honglei

doi:10.11884/HPLPB201931.190078

Volume 31 Issue 8

Aug. 2019

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Xiao Linge, Dai Jianping, Wang Qunyao, et al. Analysis of the failure of BEPCⅡ SRF cavities[J]. High Power Laser and Particle Beams, 2019, 31: 085105. doi: 10.11884/HPLPB201931.190078

Citation:

Xiao Linge, Dai Jianping, Wang Qunyao, et al. Analysis of the failure of BEPCⅡ SRF cavities[J]. High Power Laser and Particle Beams, 2019, 31: 085105. doi: 10.11884/HPLPB201931.190078

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Analysis of the failure of BEPCⅡ SRF cavities

doi: 10.11884/HPLPB201931.190078

Xiao Linge^{1, 2
,},
Dai Jianping^{1
,
,},
Wang Qunyao¹,
Lin Haiying¹,
Ma Qiang¹,
Mt Zhenghui¹,
Sun Yi¹,
Wang Honglei^{1, 2}

1.
The Institute of High Energy Physics, Accelerator Division, Beijing 100049, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2019-03-21
Rev Recd Date: 2019-05-21
Publish Date: 2019-08-15

Abstract

Abstract

Taking BEPCII superconducting RF (SRF) cavity as an example, this paper analyzes several common causes of the SRF cavity failure, including hardware failure of RF system, beam loss and mechanical failure of the tuner, by combining theoretical calculation and experimental observation of the main RF parameters such as the cavity voltage, the input power and the tuning angle, etc. It focuses on the SRF failure caused by the abnormal motion of the tuner. These analyses provide an important reference for reducing BEPCII RF system faults and increasing the operational reliability of BEPCII.
- high current accelerators,
- superconducting RF,
- failure of superconducting RF cavity,
- BEPCⅡ

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References(10)

References

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