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Optimization on structural parameters of 35 kV XLPE power cable terminal
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Zaiqian FAN1, Richang XIAN1, Xuebing LENG2, Yawen XING1, Kai WEI2
Insulating Materials | 2023, 56(11) : 73 - 79
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Insulating Materials | 2023, 56(11): 73-79
• Insulation Technology •
Optimization on structural parameters of 35 kV XLPE power cable terminal
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Zaiqian FAN1, Richang XIAN1, Xuebing LENG2, Yawen XING1, Kai WEI2
Affiliations
  • 1School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255049, China
  • 2Shandong Qixing Electric Technology Development Co., Ltd., Zibo 255000, China
Published: 2023-11-20 doi: 10.16790/j.cnki.1009-9239.im.2023.11.012
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In order to solve the problem of interface breakdown and surface discharge caused by uneven distribution of electric field of power cable and its terminal insulation, the structural parameters of 35 kV cold shrinkable power cable terminal were optimized to improve its insulation level in this paper. Firstly, the influence of axial length and end radius of stress cone on the terminal electric field distribution was analyzed based on COMSOL simulation software, and the optimal combination of terminal structural parameters was obtained. Then the power cable terminal samples were prepared, and the performance indexes were verified by power frequency AC voltage resistance and partial discharge tests. The results show that the axial length of the power cable terminal stress cone is the main factor affecting the change and distribution of interfacial electric field, and the change of terminal radius has little effect on the terminal electric field. The increase of axial length of stress cone alleviates the interfacial electric field intensity, but it is easy to cause discharge along the surface. The optimal axial length and upper radius of stress cone are 25 mm and 2.5 mm, respectively.

cable terminal  /  stress cone  /  electric field distribution  /  structural parameters  /  optimization
Zaiqian FAN, Richang XIAN, Xuebing LENG, Yawen XING, Kai WEI. Optimization on structural parameters of 35 kV XLPE power cable terminal[J]. Insulating Materials, 2023 , 56 (11) : 73 -79 . DOI: 10.16790/j.cnki.1009-9239.im.2023.11.012
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Year 2023 volume 56 Issue 11
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2023.11.012
  • Receive Date：2022-12-22
  • Online Date：2025-11-24
  • Published：2023-11-20
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History
  • Received：2022-12-22
  • Revised：2023-03-07
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    1School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255049, China
    2Shandong Qixing Electric Technology Development Co., Ltd., Zibo 255000, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2023.11.012
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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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