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Effect of plasma silicon deposition on XLPE/SIR interface discharge
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Yibo YAN1, Guowei XIA1, Qijun DUAN2, Liheng LUO1, Guohua YIN1, Qing XIE1
Insulating Materials | 2025, 58(4) : 82 - 89
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Insulating Materials | 2025, 58(4): 82-89
• Insulation Technology •
Effect of plasma silicon deposition on XLPE/SIR interface discharge
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Yibo YAN1, Guowei XIA1, Qijun DUAN2, Liheng LUO1, Guohua YIN1, Qing XIE1
Affiliations
  • 1 State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Baoding 071003, China
  • 2 Beijing Smart Energy Research Institute, Beijing 102209, China
Published: 2025-04-20 doi: 10.16790/j.cnki.1009-9239.im.2025.04.011
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Interfacial discharge between XLPE and SIR in cable joints is one of the main causes of cable failure. In order to improve this phenomenon, the XLPE sample surface was treated by plasma silicon deposition with different time, and the micro-morphology and interface discharge tests were carried out. The results show that the plasma silicon deposition technology can effectively improve the voltage resistance of XLPE/SIR interface. With the increase of plasma silicon deposition treatment time, the surface roughness of XLPE sample decreases at first and then increases, and its change trend is the same as that of the initial discharge voltage, breakdown voltage, and voltage increase amplitude of XLPE/SIR interface, and is opposite to that of the surface resistivity. The XLPE sample after 3 min of plasma silicon deposition has the smallest surface roughness (R a=41.8nm) and the largest surface resistivity (857×1012 Ω). Under this treatment time, the XLPE/SIR interface has the largest actual contact area, the fewest micro-pores, and the largest increase in breakdown voltage. Among them, the breakdown voltage increases by 66.7% compared with the untreated XLPE/SIR interface.

plasma silicon deposition  /  crosslinked polyethylene  /  silicone rubber  /  interfacial discharge  /  surface roughness
Yibo YAN, Guowei XIA, Qijun DUAN, Liheng LUO, Guohua YIN, Qing XIE. Effect of plasma silicon deposition on XLPE/SIR interface discharge[J]. Insulating Materials, 2025 , 58 (4) : 82 -89 . DOI: 10.16790/j.cnki.1009-9239.im.2025.04.011
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2025.04.011
  • Receive Date：2024-04-20
  • Online Date：2025-11-07
  • Published：2025-04-20
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  • Received：2024-04-20
  • Revised：2024-06-08
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    1 State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Baoding 071003, China
    2 Beijing Smart Energy Research Institute, Beijing 102209, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2025.04.011
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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
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Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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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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