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Multi-spectral Characteristics of Creeping Discharge and Arc Discharge in Switch Cabinet
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Zhaoyu PENG1, Dan YUE2, Bing YAN1, Zhiwan CHENG1, Yutang MA1, Shun HE1, Ming REN3, Changjie XIA3
Insulating Materials | 2021, 54(1) : 84 - 90
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Insulating Materials | 2021, 54(1): 84-90
• Test and Analysis •
Multi-spectral Characteristics of Creeping Discharge and Arc Discharge in Switch Cabinet
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Zhaoyu PENG1, Dan YUE2, Bing YAN1, Zhiwan CHENG1, Yutang MA1, Shun HE1, Ming REN3, Changjie XIA3
Affiliations
  • 1Electric Power Research Institute of Yunnan Power Grid Co., Ltd., Kunming 650217, China
  • 2Kunming Power Supply Bureau of Yunnan Electric Power Grid Co., Ltd., Kunming 650200, China
  • 3School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Published: 2021-01-20 doi: 10.16790/j.cnki.1009-9239.im.2021.01.015
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The partial discharge (PD) in high voltage switch cabinet might develop into non-penetrating or penetrating arc under extreme conditions, which can lead to insulation failure in severe case. From the optical radiation characteristics of discharge, an optical detection method for PD and abnormal arc was proposed. Multi-spectral characteristics of creeping discharge and arc discharge were obtained by the synchronous monitoring of ultraviolet, visible, and infrared optical signals, and the average intensity of light pulse, the light intensity ratio of three bands, and discharge repetition rate were analyzed and compared. The results show that there is a good corresponding relation between the amplitude of discharge light signal and the applied voltage. The statistical characteristics of three bands show large difference in low and high energy discharge, and according to the characteristic, the threshold value of low energy discharge and high energy arc discharge can be determined, thus the confidence of status warning and active protection of switch cabinet can be improved.

switch cabinet  /  partial discharge  /  arc discharge  /  optical method  /  multi-spectral
Zhaoyu PENG, Dan YUE, Bing YAN, Zhiwan CHENG, Yutang MA, Shun HE, Ming REN, Changjie XIA. Multi-spectral Characteristics of Creeping Discharge and Arc Discharge in Switch Cabinet[J]. Insulating Materials, 2021 , 54 (1) : 84 -90 . DOI: 10.16790/j.cnki.1009-9239.im.2021.01.015
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2021.01.015
  • Receive Date：2020-04-08
  • Online Date：2026-01-26
  • Published：2021-01-20
Article Data
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History
  • Received：2020-04-08
  • Revised：2020-05-15
Funding
Affiliations
    1Electric Power Research Institute of Yunnan Power Grid Co., Ltd., Kunming 650217, China
    2Kunming Power Supply Bureau of Yunnan Electric Power Grid Co., Ltd., Kunming 650200, China
    3School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2021.01.015
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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