次大气压介质阻挡放电处理环氧树脂对表面电荷消散的影响及老化特性

doi:10.19595/j.cnki.1000-6753.tces.181004

摘要
图/表
参考文献
相关文章 (15)

全文: PDF (103224 KB)
输出: BibTeX | EndNote (RIS)

摘要环氧树脂（ER）被广泛用作气体绝缘金属封闭输电线路（GIL）中的绝缘间隔,存在局部区域积聚大量表面电荷,且难以消散的问题,容易引发沿面闪络,造成绝缘损伤。本文通过表面电位测量系统研究了次大气压DBD对环氧树脂表面电荷消散以及电位分布的影响,利用高阻计监测电阻率变化,同时利用傅里叶变换红外光谱仪（FTIR）与X射线光电子能谱仪（XPS）表征表面化学成分。实验结果表明：不同处理时间（0.5~10min）下的DBD均可大幅加快环氧树脂表面电荷消散,0~300s的消散率均达80%以上,未处理则均小于3.9%,而处理时间对消散率的影响较小。老化现象在1天内较为明显,处理3min的样品在0~300s内的电荷消散率约25%。1~10天以较缓的速率老化,老化10天后的消散率仍是未处理的2倍以上。样品刚处理完时的体积电阻率下降1~2个数量级,而表面电阻率下降接近3个数量级,电阻率随着老化天数逐渐升高,其变化趋势与电荷消散率相反。处理后的表层C/O值降低,C-O、C=O等极性基团含量升高。分析认为表面电荷主要沿面消散且等离子体影响化学成分的深度较浅。

	服务

	把本文推荐给朋友
	加入我的书架
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章
	马翊洋
	章程
	孔飞
	王婷婷
	陈根永
	邵涛

关键词 ：次大气压介质阻挡放电, 环氧树脂, 等离子体处理, 表面电荷, 老化特性

Abstract：Epoxy resin (ER) is widely used as insulation spacer in gas insulated metal enclosed transmission line (GIL). There is a problem that a large amount of surface charges accumulates locally at insulation and is difficult to dissipate, which causes surface flashover and insulation damage. In this paper, the effects of sub-atmospheric-pressure dielectric barrier discharge (DBD) on surface charge dissipation and potential distribution of epoxy resin were studied by surface potential measurement system. The high resistance meter was used to monitor resistivity change. Furthermore, Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) were used to characterize the surface chemical composition. The experimental results show that the surface charge dissipation of epoxy resin is significantly accelerated by DBD with different treatment times (0.5~ 10 minutes). The dissipation rates of treated samples are more than 80% while untreated samples are less than 3.9% in 0~300s. However, the treatment time has slight effect on it. The aging phenomenon is more obvious in 1 day and the charge dissipation rates of 3-min treated samples are about 25% in 0~300s. Aging rate is slow during 1~10 days, and the dissipation rates after 10-days storage are still more than 2 times that those of the untreated ones. The bulk resistivity of newly treated samples decreases by 1~2 orders of magnitude and the surface resistivity decreases by nearly 3 orders of magnitude. With the aging days increasing, the change trend of resistivity is opposite to the charge dissipation rate. After treatment, the value of C/O decreases and the content of polar groups (C-O, C=O) increases in the surface layer. It is concluded that the surface charge mainly dissipates along the surface and plasma affects chemical composition to a relatively shallow depth.

Key words： Sub-atmospheric-pressure dielectric barrier discharge epoxy resin plasma treatment surface charges aging characteristics

收稿日期: 2018-06-11 出版日期: 2018-11-27

PACS:

TM85

基金资助:国家自然科学基金面上项目（11575194）,国家重点基础研究发展计划（973计划）（2014CB239505-3）和特高压工程技术（昆明、广州）国家工程实验室资助项目（NEL201703）

通讯作者: 邵涛男,1977年生,博士,研究员,博士生导师,研究方向为高电压技术、脉冲功率技术与放电等离子体应用等。E-mail: st@mail.iee.ac.cn

作者简介: 马翊洋男,1995年生,硕士研究生,研究方向为等离子体与绝缘材料表面改性技术。E-mail: mayiyang@mail.iee.ac.cn

引用本文:

马翊洋, 章程, 孔飞, 王婷婷, 陈根永, 邵涛. 次大气压介质阻挡放电处理环氧树脂对表面电荷消散的影响及老化特性[J]. 电工技术学报, 2018, 33(22): 5168-5177. Ma Yiyang, Zhang Cheng, Kong Fei, Wang Tingting, Chen Genyong, Shao Tao. Surface Treatment of Epoxy Resin by Sub-Atmospheric-Pressure Dielectric Barrier Discharge: the Effect on Surface Charge Dissipation and Aging Characteristics. Transactions of China Electrotechnical Society, 2018, 33(22): 5168-5177.

链接本文:

https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.181004 https://dgjsxb.ces-transaction.com/CN/Y2018/V33/I22/5168

[1] 李庆民, 刘伟杰, 韩帅, 等. 环氧树脂绝缘高频电热联合老化中局部放电特性分析[J]. 高电压技术, 2015, 41(2): 389-395.
Li Qingmin, Liu Weijie, Han Shuai, et al.Analysis on partial discharge characteristics of epoxy resin insulation during high-frequency electrical-thermal aging[J]. High Voltage Engineering, 2015, 41(2): 389-395.
[2] 马超群, 张乔根, 文韬. 固体绝缘表面状态对其闪络机理影响的研究进展[J]. 高压电器, 2018, 54(5): 1-8.
Ma Chaoqun, Zhang Qiaogen, Wen Tao.Research progress on the effect of solid insulation surface on its flashover mechanism[J]. High Voltage Apparatus, 2018, 54(5): 1-8.
[3] 马超, 闵道敏, 李盛涛, 等. 聚丙烯/氧化铝纳米电介质的陷阱与直流击穿特性[J]. 物理学报, 2017, 66(6): 067701.
Ma Chao, Min Daomin, Li Shengtao, et al.Trap distribution and direct current breakdown characteri- stics in polypropylene/Al₂O₃ nano-dielectrics[J]. Acta Physica Sinica, 2017, 66(6): 067701.
[4] 何金良, 杨霄, 胡军, 等. 非线性均压材料的设计理论与参数调控[J]. 电工技术学报, 2017, 32(16): 44-60.
He Jinliang, Yang Xiao, Hu Jun, et al.Progress of theory and parameter adjustment for nonlinear resistive field grading materials[J]. Transactions of China Electrotechnical Society, 2017, 32(16): 44-60.
[5] 唐炬, 潘成, 王邸博. 高压直流绝缘材料表面电荷积聚研究进展[J]. 电工技术学报, 2017, 32(8): 10-21.
Tang Ju, Pan Cheng, Wang Dibo.Development of studies about surface charge accumulation on insulating material under HVDC[J]. Transactions of China Electrotechnical Society, 2017, 32(8): 10-21.
[6] 王健, 李伯涛, 李庆民, 等. 直流GIL中线形金属微粒对柱式绝缘子表面电荷积聚的影响[J]. 电工技术学报, 2016, 31(15): 213-222.
Wang Jian, Li Botao, Li Qingmin, et al.Impact of linear metal particle on surface charge accumulation of post insulator within DC GIL[J]. Transactions of China Electrotechnical Society, 2016, 31(15): 213-222.
[7] Que L, An Z, Ma Y, et al.High resistance of surface fluorinated epoxy insulators to surface discharge in SF₆ gas[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2018, 25(1): 245-252.
[8] Huo Y, Liu W, Ke C, et al.Sharp improvement of flashover strength from composite micro-textured surfaces[J]. Journal of Applied Physics, 2017, 122(11): 115105.
[9] Li C, Hu J, Lin C, et al.The control mechanism of surface traps on surface charge behavior in alumina- filled epoxy composites[J]. Journal of Physics D: Applied Physics, 2016, 49(44): 445304.
[10] Shao T, Zhou Y, Zhang C, et al.Surface modification of polymethyl-methacrylate using atmospheric pressure argon plasma jets to improve surface flashover performance in vacuum[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2015, 22(3): 1747-1754.
[11] 戴栋, 宁文军, 邵涛. 大气压低温等离子体的研究现状与发展趋势[J]. 电工技术学报, 2017, 32(20): 1-9.
Dai Dong, Ning Wenjun, Shao Tao.A review on the state of art and future trends of atmospheric pressure low temperature plasmas[J]. Transactions of China Electrotechnical Society, 2017, 32(20): 1-9.
[12] 邵涛, 章程, 王瑞雪, 等. 大气压脉冲气体放电与等离子体应用[J]. 高电压技术, 2016, 42(3): 685-705.
Shao Tao, Zhang Cheng, Wang Ruixue, et al.Atmospheric-pressure pulsed gas discharge and pulsed plasma application[J]. High Voltage Engineering, 2016, 42(3): 685-705.
[13] Marais S, Metayer M, Labbe M, et al.Surface modification by low-pressure glow discharge plasma of an unsaturated polyester resin: effect on water diffusivity and permeability[J]. Surface and Coatings Technology, 1999, 122(2-3): 247-259.
[14] 马云飞, 章程, 李传扬, 等. 重频脉冲放电等离子体处理聚合物材料加快表面电荷消散的实验研究[J]. 中国电机工程学报, 2016, 36(6): 1731-1738.
Ma Yunfei, Zhang Cheng, Li Chuanyang, et al.Experimental study of accelerating surface charge dissipation on polymer treated by repetitively pulsed discharge plasmas[J]. Proceeding of the CSEE, 2016, 36(6): 1731-1738.
[15] Zhang C, Lin H, Zhang S, et al.Plasma surface treatment to improve surface charge accumulation and dissipation of epoxy resin exposed to DC and nanosecond-pulse voltages[J]. Journal of Physics D: Applied Physics, 2017, 50(40): 405203.
[16] Wang R, Lin H, Gao Y, et al.Inorganic nanofilms for surface charge control on polymer surfaces by atmospheric-pressure plasma deposition[J]. Journal of Applied Physics, 2017, 122(23): 233302.
[17] 林浩凡, 王瑞雪, 谢庆, 等. 等离子体射流快速改性促进表面电荷衰减[J]. 电工技术学报, 2017, 32(16): 256-264.
Lin Haofan, Wang Ruixue, Xie Qing, et al.Rapid surface modification by plasma jet to promote surface charge decaying[J]. Transactions of China Electrote- chnical Society, 2017, 32(16): 256-264.
[18] 海彬, 章程, 王瑞雪, 等. 等离子体沉积类SiO₂薄膜抑制环氧树脂表面电荷积聚[J]. 高电压技术, 2017, 43(2): 375-384.
Hai Bin, Zhang Cheng, Wang Ruixue, et al.Plasma depositing SiO₂-like film to suppress surface charge accumulation on epoxy resin[J]. High Voltage Engineering, 2017, 43(2): 375-384.
[19] Li C, Hu J, Lin C, et al.The potentially neglected culprit of DC surface flashover: electron migration under temperature gradients[J]. Scientific Reports, 2017, 7(1): 3271.
[20] 张贵新, 张博雅, 王强, 等. 高压直流GIL中盆式绝缘子表面电荷积聚与消散的实验研究[J]. 高电压技术, 2015, 41(5): 1430-1436.
Zhang Guixin, Zhang Boya, Wang Qiang, et al.Experiment study of surface charge accumulation and decay on a cone-type insulator in HVDC GIL[J]. High Voltage Engineering, 2015, 41(5): 1430-1436.
[21] Liang H, Du B, Li J, et al.Effects of non-linear conductivity on charge trapping and de-trapping behaviours in epoxy/SiC composites under DC stress[J]. IET Science Measurement and Technology, 2018, 12(1): 83-89.
[22] 侯国良, 吴明清, 荆娟, 等. 直流电压下环氧绝缘材料电气性能对表面电荷消散过程的影响[J]. 绝缘材料, 2015, 48(8): 28-32.
Hou Guoliang, Wu Mingqing, Jing Juan, et al.Effect of electrical properties of epoxy insulating materials on surface charge dissipation process under DC high- voltage[J]. Insulating Materials, 2015, 48(8): 28-32.
[23] Sanchis M R, Calvo O, Fenollar O, et al.Surface modification of a polyurethane film by low pressure glow discharge oxygen plasma treatment[J]. Journal of Applied Polymer Science, 2007, 105(3): 1077-1085.