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Study on decomposition characteristics of clean air under corona and spark discharge conditions
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Xiang DONG1, Xiaokun HAN1, Shuwei YI1, Xiao ZHANG1, Zhe YANG1, Dao ZHOU1, Boya XIA1, Teng ZHANG2, 3, Xuekai PEI2, 3
Insulating Materials | 2025, 58(2) : 55 - 65
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Insulating Materials | 2025, 58(2): 55-65
• Special Issue on Eco-friendly Insulating Gas •
Study on decomposition characteristics of clean air under corona and spark discharge conditions
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Xiang DONG1, Xiaokun HAN1, Shuwei YI1, Xiao ZHANG1, Zhe YANG1, Dao ZHOU1, Boya XIA1, Teng ZHANG2, 3, Xuekai PEI2, 3
Affiliations
  • 1State Grid Beijing Power Maintenance Company, Beijing 100073, China
  • 2State Key Laboratory of Power Grid Environmental Protection, Wuhan University, Wuhan 430072, China
  • 3School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Published: 2025-02-20 doi: 10.16790/j.cnki.1009-9239.im.2025.02.009
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A clean air insulation defect decomposition experimental device was constructed based on gas component analysis method, then the main characteristic decomposition components of clean air under different discharge form (spark discharge and corona discharge) and different gas pressure were detected and analyzed by Fourier transform infrared spectroscopy (FTIR). The basic reaction principles and pathways of the main decomposition components were explored, and the effects of different pressures on the partial main characteristic decomposition components of clean air were analyzed quantitatively or qualitatively. The results show that the main characteristic decomposition products of clean air under spark discharge are NO2, NO, and N2O4, and the main characteristic decomposition products under corona discharge are O3, N2O5, and N2O. The increase of gas pressure can affect the generation ratio of NO and NO2 under the spark discharge, the proportion of NO is lower in high gas pressure range, and the NO selectivity increases with the decrease of gas pressure. The concentrations of O3, N2O5, and N2O generated under corona discharge show an overall trend of increase at first and then decrease with the increase of gas pressure under a same voltage level, and the generation of N2O5 has a strong correlation with the concentration of O3.

clean air  /  decomposition products  /  gas pressure  /  gas component analysis method  /  FTIR
Xiang DONG, Xiaokun HAN, Shuwei YI, Xiao ZHANG, Zhe YANG, Dao ZHOU, Boya XIA, Teng ZHANG, Xuekai PEI. Study on decomposition characteristics of clean air under corona and spark discharge conditions[J]. Insulating Materials, 2025 , 58 (2) : 55 -65 . DOI: 10.16790/j.cnki.1009-9239.im.2025.02.009
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Year 2025 volume 58 Issue 2
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2025.02.009
  • Receive Date：2024-08-31
  • Online Date：2025-11-06
  • Published：2025-02-20
Article Data
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History
  • Received：2024-08-31
  • Revised：2024-10-29
Funding
Affiliations
    1State Grid Beijing Power Maintenance Company, Beijing 100073, China
    2State Key Laboratory of Power Grid Environmental Protection, Wuhan University, Wuhan 430072, China
    3School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
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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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