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Effect of voltage stabilizer on space charge characteristics of XLPE
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Yuanxiang ZHOU1, 2, Guoqing QI1, Ke LI1, Xiaoqian ZHU2, Guimin JIANG1, 2
Insulating Materials | 2025, 58(3) : 15 - 23
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Insulating Materials | 2025, 58(3): 15-23
• Special Issue on Advanced Cable Insulation •
Effect of voltage stabilizer on space charge characteristics of XLPE
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Yuanxiang ZHOU1, 2, Guoqing QI1, Ke LI1, Xiaoqian ZHU2, Guimin JIANG1, 2
Affiliations
  • 1 School of Electrical Engineering, Xinjiang University, Urumqi 830017, China
  • 2 State Key Laboratory of Power System Operation and Control, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
Published: 2025-03-20 doi: 10.16790/j.cnki.1009-9239.im.2025.03.002
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To investigate the effects of voltage stabilizers on the insulation properties of crosslinked polyethylene (XLPE) under DC voltage, anthraquinone (EK) was selected as the voltage stabilizer, and XLPE composites with different mass fractions of EK were prepared through physical blending. The impact of different content of EK on the DC insulation properties of XLPE was analyzed by differential scanning calorimetry (DSC) as well as surface potential decay, space charge, and conduction current measurements. The results show that as the mass fraction of EK increases, both space charge accumulation, space charge injection deepth, maximun distortion field strength, and conductivity of XLPE composites decrease at first and then increase. This phenomenon is attributed to the change of the trap distribution characteristics in XLPE by EK. When the mass fraction of EK does not exceed 1%, the deep traps are mainly introduced, which contribute to field homogenization, reduce space charge accumulation, and inhibit carrier migration, thereby decreasing DC conductivity. When the mass fraction of EK is 1%, the improvement effect of XLPE insulation performance is the best.

XLPE  /  anthraquinone  /  space charge  /  conductivity
Yuanxiang ZHOU, Guoqing QI, Ke LI, Xiaoqian ZHU, Guimin JIANG. Effect of voltage stabilizer on space charge characteristics of XLPE[J]. Insulating Materials, 2025 , 58 (3) : 15 -23 . DOI: 10.16790/j.cnki.1009-9239.im.2025.03.002
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2025.03.002
  • Receive Date：2024-04-08
  • Online Date：2025-11-07
  • Published：2025-03-20
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  • Received：2024-04-08
  • Revised：2024-05-30
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    1 School of Electrical Engineering, Xinjiang University, Urumqi 830017, China
    2 State Key Laboratory of Power System Operation and Control, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2025.03.002
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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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