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Application of BaTiO3 Doped Electret Composite Nanofibers in Advanced Regeneration Technology of Transformer Insulating Oil
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Xiao HE1, Nianrong ZHOU1, Zheng ZHANG2, Linshan ZHANG1, Xiangyu TAN1
Insulating Materials | 2022, 55(2) : 28 - 37
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Insulating Materials | 2022, 55(2): 28-37
• Material Research •
Application of BaTiO3 Doped Electret Composite Nanofibers in Advanced Regeneration Technology of Transformer Insulating Oil
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Xiao HE1, Nianrong ZHOU1, Zheng ZHANG2, Linshan ZHANG1, Xiangyu TAN1
Affiliations
  • 1Electric Power Research Institute of Yunnan Power Grid Co., Ltd., Kunming 650217, China
  • 2State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China
Published: 2022-02-20 doi: 10.16790/j.cnki.1009-9239.im.2022.02.004
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The electret effect can improve the adsorption capacity of the filter membrane for polar impurities. In this paper, BaTiO3 doped composite nanofiber filter membrane for transformer insulating oil was prepared by combining electret technology with electrospinning process. The electrospinning conditions for preparing PVDF nanofiber membranes with small diameters and pores without beading were obtained by system study on the relationship between electrospinning parameters and the morphology of fiber membrane. And then the regeneration experiment for transformer insulating oil was carried out. The results show that the filter membrane can remove polar substances, and has high specific surface area and high porosity. After doping BaTiO3 and corona discharge treatment, the filter membrane can be stably charged. The dielectric loss factor and breakdown voltage of the aged insulating oil are significantly optimized after filtering by the BaTiO3 doped composite nanofiber filter membrane. Compared with other filter membrane electret-doped composite nanofiber membranes, it has better regeneration effect on transformer insulation oil.

transformer  /  electret  /  nanofibers  /  electrostatic spinning  /  transformer oil regeneration
何潇, 周年荣, 张政, 张林山, 谭向宇. BaTiO3掺杂驻极体复合纳米纤维的制备及其在变压器绝缘油先进再生技术中的应用. 绝缘材料, 2022 , 55 (2) : 28 -37 . DOI: 10.16790/j.cnki.1009-9239.im.2022.02.004
Xiao HE, Nianrong ZHOU, Zheng ZHANG, Linshan ZHANG, Xiangyu TAN. Application of BaTiO3 Doped Electret Composite Nanofibers in Advanced Regeneration Technology of Transformer Insulating Oil[J]. Insulating Materials, 2022 , 55 (2) : 28 -37 . DOI: 10.16790/j.cnki.1009-9239.im.2022.02.004
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Year 2022 volume 55 Issue 2
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2022.02.004
  • Receive Date：2021-03-16
  • Online Date：2025-12-22
  • Published：2022-02-20
Article Data
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History
  • Received：2021-03-16
  • Revised：2021-05-04
Funding
Affiliations
    1Electric Power Research Institute of Yunnan Power Grid Co., Ltd., Kunming 650217, China
    2State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China
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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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