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Temperature Rise Characteristics of Decay-like Composite Insulator Under Different Ambient Humidity and Observation Distance
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Sizu HOU1, Zheng ZHONG2, Simin ZHANG2, Yunpeng LIU2, Jianghai GENG2
Insulating Materials | 2022, 55(5) : 102 - 107
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Insulating Materials | 2022, 55(5): 102-107
• Test and Analysis •
Temperature Rise Characteristics of Decay-like Composite Insulator Under Different Ambient Humidity and Observation Distance
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Sizu HOU1, Zheng ZHONG2, Simin ZHANG2, Yunpeng LIU2, Jianghai GENG2
Affiliations
  • 1Hebei Key Laboratory of Power Internet of Things Technology, North China Electric Power University, Baoding 071003, China
  • 2Hebei Key Laboratory of Power Transmission Equipment Security Defense, North China Electric Power University, Baoding 071003, China
Published: 2022-05-20 doi: 10.16790/j.cnki.1009-9239.im.2022.05.015
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A 500 kV decay-like composite insulator was conducted infrared temperature rise tests under dry conditions, 55%, 75%, 95% of ambient humidity and 3, 5, 7 m of observation distances to study the temperature rise characteristics of the decay-like composite insulator under different humidity and observation distance. The results show that the temperature rise of the decay-like composite insulator increases with the increase of ambient humidity, its temperature rise in 95% of humidity environment increase by 22%-40% compared with that under dry environment. When the humidity is constant, the temperature rise decreases with the increase of observation distance. The deteriorating section length of the core rod can be judged by the temperature rise distribution curve characteristics on the axis of decay-like composite insulator, which can realize the non-destructive detection of the deteriorating section length of decay-like insulator.

decay-like  /  composite insulator  /  temperature rise  /  ambient humidity  /  observation distance
Sizu HOU, Zheng ZHONG, Simin ZHANG, Yunpeng LIU, Jianghai GENG. Temperature Rise Characteristics of Decay-like Composite Insulator Under Different Ambient Humidity and Observation Distance[J]. Insulating Materials, 2022 , 55 (5) : 102 -107 . DOI: 10.16790/j.cnki.1009-9239.im.2022.05.015
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2022.05.015
  • Receive Date：2021-08-23
  • Online Date：2025-12-22
  • Published：2022-05-20
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  • Received：2021-08-23
  • Revised：2021-09-17
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Affiliations
    1Hebei Key Laboratory of Power Internet of Things Technology, North China Electric Power University, Baoding 071003, China
    2Hebei Key Laboratory of Power Transmission Equipment Security Defense, North China Electric Power University, Baoding 071003, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2022.05.015
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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