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A method for reducing partial discharge of GIS basin-type insulator and its application
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Dongyang LIU1, Yao WANG1, Weiyan TONG2, Junqing ZHAO3
Insulating Materials | 2025, 58(1) : 137 - 144
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Insulating Materials | 2025, 58(1): 137-144
• Test and Analysis •
A method for reducing partial discharge of GIS basin-type insulator and its application
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Dongyang LIU1, Yao WANG1, Weiyan TONG2, Junqing ZHAO3
Affiliations
  • 1. New Northeast Electric Group High Voltage Switchgear Equipment Co., Ltd., Shenyang 110025, China
  • 2. Shenyang University of Technology, Liaoyang 111003, China
  • 3. Liaoning HV Electrical Products Quality Testing Co., Ltd., Shenyang 110027, China
Published: 2025-01-20 doi: 10.16790/j.cnki.1009-9239.im.2025.01.017
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To reduce the partial discharge (PD) of the basin-type insulator in gas-insulated switchgear (GIS), reduce the occurrence of insulation faults, and improve the safety and stability of GIS operation, we took the 252 kV basin-type insulator as the simulation analysis object. The basin-type insulators with and without grounding shield ring were conducted simulation calculation by Comsol software, and basin-type insulators with different sizes of grounding shield ring were conducted simulation comparison analysis. The insulating and mechanical properties of the basin-type insulator were further verified through experiments. The results show that adding a ground shield ring in the basin-type insulator can effectively improve the electric field in the wedge air gap region and significantly reduce the partial discharge value of the basin-type insulator.

basin-type insulator  /  partial discharge  /  grounding shield ring  /  simulation calculation  /  insulating properties
Dongyang LIU, Yao WANG, Weiyan TONG, Junqing ZHAO. A method for reducing partial discharge of GIS basin-type insulator and its application[J]. Insulating Materials, 2025 , 58 (1) : 137 -144 . DOI: 10.16790/j.cnki.1009-9239.im.2025.01.017
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2025.01.017
  • Receive Date：2024-02-29
  • Online Date：2025-11-05
  • Published：2025-01-20
Article Data
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History
  • Received：2024-02-29
  • Revised：2024-04-24
Affiliations
    1. New Northeast Electric Group High Voltage Switchgear Equipment Co., Ltd., Shenyang 110025, China
    2. Shenyang University of Technology, Liaoyang 111003, China
    3. Liaoning HV Electrical Products Quality Testing Co., Ltd., Shenyang 110027, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2025.01.017
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Citations
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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