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Regulation on electrical and mechanical properties of ethylene-propylene rubber for wind turbine torsion cables by morphology of nano zinc oxide
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Xu LI1, He LI2, Ge GUO1, Chen CAO4, Ming WU2, Jinghui GAO2
Insulating Materials | 2023, 56(12) : 17 - 23
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Insulating Materials | 2023, 56(12): 17-23
• Advanced Electrical Materials for Large Capacity Offshore Wind Power Transmission •
Regulation on electrical and mechanical properties of ethylene-propylene rubber for wind turbine torsion cables by morphology of nano zinc oxide
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Xu LI1, He LI2, Ge GUO1, Chen CAO4, Ming WU2, Jinghui GAO2
Affiliations
  • 1State Grid Shaanxi Electric Power Co., Ltd., Xi′an 710048, China
  • 2State Key Lab of Electrical Insulation and Power Equipment, Xi′an Jiaotong University, Xi′an 710049, China
  • 3Ankang Hydropower Company, State Grid Shaanxi Electric Power Co., Ltd., Ankang 725000, China
  • 4Shangluo Power Supply Company, State Grid Shaanxi Electric Power Co., Ltd., Shangluo 726000, China
Published: 2023-12-20 doi: 10.16790/j.cnki.1009-9239.im.2023.12.003
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The ethylene propylene rubber for wind turbine twisting cable insulation needs to have high electrical properties and mechanical strength simultaneously to meet the demanding operating conditions. Different morphologies of zinc oxide nanoparticles doped ethylene propylene rubber samples were prepared to investigate the influence of zinc oxide morphology on the mechanical, electrical, and thermal conductive properties of ethylene propylene rubber. The results show that the larger the specific surface area of zinc oxide nanoparticles, the bigger the crosslinking density of ethylene propylene rubber, while the crystallinity remaines unchanged basically. In terms of mechanical properties, the excessive crosslinking caused by high specific surface area of zinc oxide would slightly decrease the elongation at break and tensile strength of ethylene propylene rubber. In terms of electrical properties, the specific surface area of zinc oxide has little effect on the resistivity, dielectric loss, and breakdown strength at room temperature, but the dielectric constant and breakdown strength at 90℃ increase slightly with the increase of specific surface area of zinc oxide. There is no apparent variation rule in the regulation of thermal conductivity of ethylene propylene rubber by zinc oxide nanoparticles.

nano zinc oxide  /  wind turbine torsion cables  /  ethylene-propylene rubber
Xu LI, He LI, Ge GUO, Chen CAO, Ming WU, Jinghui GAO. Regulation on electrical and mechanical properties of ethylene-propylene rubber for wind turbine torsion cables by morphology of nano zinc oxide[J]. Insulating Materials, 2023 , 56 (12) : 17 -23 . DOI: 10.16790/j.cnki.1009-9239.im.2023.12.003
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doi: 10.16790/j.cnki.1009-9239.im.2023.12.003
  • Receive Date：2023-05-31
  • Online Date：2025-11-24
  • Published：2023-12-20
Article Data
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History
  • Received：2023-05-31
  • Revised：2023-07-21
Affiliations
    1State Grid Shaanxi Electric Power Co., Ltd., Xi′an 710048, China
    2State Key Lab of Electrical Insulation and Power Equipment, Xi′an Jiaotong University, Xi′an 710049, China
    3Ankang Hydropower Company, State Grid Shaanxi Electric Power Co., Ltd., Ankang 725000, China
    4Shangluo Power Supply Company, State Grid Shaanxi Electric Power Co., Ltd., Shangluo 726000, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2023.12.003
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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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