纳米Al<sub>2</sub>O<sub>3</sub>掺杂对绝缘纸热老化电气特性的影响

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Abstract

In order to study the effect of nano-Al₂O₃ on the electrical properties of insulation paper under thermal aging, composite paper with 2% nano-Al₂O₃ and conventional paper were prepared, then the accelerated thermal aging test under 130 ℃ with conventional oil-paper and nano-Al₂O₃ composite oil-paper were performed. The main electrical parameters of paper and aging products in oil-paper system were tested. The modification mechanisms of nano-Al₂O₃ on electrical properties were researched, and the variations in properties of insulation paper during aging process were analyzed. The research results show that nano-Al₂O₃ improves the electrical properties and anti-aging ability of composite paper. The electric double layer structure of nano-Al₂O₃ can weaken the interfacial polarization and dipole polarization, which reduces the permittivity and dielectric loss. It is considered that nano-Al₂O₃ effectively decreases the carrier mobility and increases the volume resistivity of composite paper. High thermal conductivity of Al₂O₃ and the connection structure between nano-Al₂O₃ and cellulose chains may increase the thermal conductivity of insulation paper and accelerate the heat diffusion in composite paper, so that the anti-aging ability of composite paper gets enhanced.

Key words： Insulation paper nano-Al₂O₃ electrical properties thermal aging thermal conductivity

Received: 23 March 2016 Published: 20 June 2017

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TM215.6

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I11/225

[1] 吴奕, 朱海兵, 周志成, 等. 基于熵权模糊物元和主元分析的变压器状态评价[J]. 电力系统保护与控制,2015, 43(17): 1-7.
Wu Yi, Zhu Haibing, Zhou Zhicheng, et al. Transformer condition assessment based on entropy fuzzy matter-element and principal component analysis[J]. Power System Protection and Control, 2015, 43(17): 1-7.
[2] 廖瑞金, 刘团, 张福州, 等. 蒙脱土改性热稳定纸的制备及热老化特性研究[J]. 电工技术学报, 2015, 30(1): 220-227.
Liao Ruijin, Liu Tuan, Zhang Fuzhou, et al. Preparation and thermal aging properties of montmorillonite modified thermally-upgraded paper[J]. Transactions of China Electrotechnical Society, 2015, 30(1): 220-227.
[3] Li S, Lyons-hart J, Banyasz J, et al. Real-time evolved gas analysis by FTIR method: an experimental study of cellulose pyrolysis[J]. Fuel, 2001, 80(12): 1809-1817.
[4] Lundgaard L E, Hansen W, Linhjell D, et al. Aging of oil-impregnated paper in power transformers[J]. IEEE Transactions on Power Delivery, 2004, 19(1): 230-239.
[5] Ese M H G, Liland K B, Lundgaard L E. Oxidation of paper insulation in transformers[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2010, 17(3): 939-946.
[6] Lampe W, Spicar E. The oxygen-free transformer: reduced ageing by continuous degassing[C]//CIGRE, Paris, 1976: 12-15.
[7] Beavers M, Raab E, Raab L, et al. Permalex, a new insulation system[J]. Power Apparatus and Systems, Part III, Transactions of the American Institute of Electrical Engineers, 1960, 79(3): 64-70.
[8] Brummet B, Sadler F. A new transformer insulation [J]. Power Apparatus and Systems, Part III, Transactions of the American Institute of Electrical Engineers, 1962, 81(3): 754-759.
[9] 廖瑞金, 吴伟强, 聂仕军, 等. 复合热稳定剂对绝缘纸协同抗老化效应的分子模拟研究[J]. 电工技术学报, 2015, 30(10): 330-337.
Liao Ruijin, Wu Weiqiang, Nie Shijun, et al. Study on the aynergistic anti-aging effect of composite thermal stabilizers on the insulation paper by molecular modeling[J]. Transactions of China Electrotechnical Society, 2015, 30(10): 330-337.
[10] Lewis T J. Nanometric dielectrics[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 1994, 1(5): 812-825.
[11] 张立美, 刘巧芬, 孙晓然. 自由基聚合表面改性纳米粒子的研究进展[J]. 化学世界, 2012, 53(6): 381-384.
Zhang Limei, Liu Qiaofen, Sun Xiaoran. Research progress on free radical polymerization modification of nanoparticles[J]. Chemical World, 2012, 53(6): 381-384.
[12] 桑士晶, 杨瑞. 纳米技术前景展望[J]. 中国新技术新产品, 2012(6):1-1.
Sang Shijing, Yang Rui. Prospects of nanotechnology[J]. China New Technologies and Products, 2012(6): 1-1.
[13] Nelson J K, Dissado L A, Peasgood W. Toward an understanding of nanometric dielectrics[C]//IEEE Conference on Electrical Insulation and Dielectric Phenomena, Mexico, 2002: 295-298.
[14] Murakami Y, Nemoto M, Okuzumi S, et al. DC conduction and electrical breakdown of MgO/LDPE nanocomposite[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2008, 15(1): 33-39.
[15] 王霞, 成霞, 陈少卿, 等. 纳米 ZnO/低密度聚乙烯复合材料的介电特性[J]. 中国电机工程学报, 2008, 28(19): 13-19.
Wang Xia, Cheng Xia, Chen Shaoqing, et al. Dielectric properties of the composites of nano-ZnO/low-density polyethylene[J]. Proceedings of the CSEE, 2008, 28(19): 13-19.
[16] Li Shengtao, Yin Guilai, Bai Suna, et al. A new potential barrier model in epoxy resin nanodielectrics[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2011, 18(3): 1535-1543.
[17] Yang Wenhu, Yi Ran, Yang Xu, et al. Effect of particle size and dispersion on dielectric properties in ZnO/epoxy resin composites[J]. IEEE Transactions on Electrical and Electronic Materials, 2012, 13(3): 116-120.
[18] Cao Y, Irwin P C, Younsi K. The future of nanodieleetries in the eleetrieal power industry[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2004, 11(5): 797-807.
[19] 陈宇飞, 范勇. 活性氧化铝改性纳迪克酰亚胺的性能研究[J]. 复合材料学报, 2008, 25(4): 51-55.
Chen Yufei, Fan Yong. Properties of nadic polyimide modified by gel-alumina[J]. Acta Materiae Compositae Sinica, 2008, 25(4): 51-55.
[20] Yang Yang, He Jinliang, Wu Guangning, et al. “Thermal stabilization effect” of Al 2 O 3 nano-dopants improves the high-temperature dielectric performance of polyimide[J]. Scientific Reports, 2015, 5(16986): 1-10.
[21] 廖瑞金, 吕程, 吴伟强, 等. 纳米 Al 2 O 3 改性变压器绝缘纸性能的研究[J]. 电力科学与技术学报, 2014, 29(1): 3-7.
Liao Ruijin, Lü Cheng, Wu Weiqiang, et al. Insulating properties of insulation paper modified by nano-Al 2 O 3 for power transformer[J]. Journal of Electric Power Science and Technology, 2014, 29(1): 3-7.
[22] 张松, 唐超, 周渠, 等. 纳米 Al 2 O 3 对变压器绝缘纸纤维素热稳定性的影响及其机理分析[J]. 中国科学: 技术科学, 2015, 11: 1167-1179.
Zhang Song, Tang Chao, Zhou Qu, et al. The influence and mechanism of nano Al 2 O 3 to the thermal stability of cellulose insulation paper[J]. Scientia Sinica Techologica, 2015, 11: 1167-1179.
[23] GB/T 12914—2008 纸和纸板抗张强度的测定[S]. 2008.
[24] GB/T 1408—2006 绝缘材料电气强度试验方法第1部分: 工频下试验[S]. 2006.
[25] GB/T 1408—2006 绝缘材料电气强度试验方法第2部分: 对应用直流电压试验的附加要求[S]. 2006.
[26] GB/T 29305-2012 新的和老化后的纤维素电气绝缘材料粘均聚合度的测量[S]. 2012.
[27] GB7600—1987 运行中变压器油水分含量测定法(库仑法)[S]. 1987.
[28] GB 7599—87 运行中变压器油、汽轮机油酸值测定法(BTB法)[S].1987.
[29] Gharehkhani S, Sadeghinezhad E, Kazi S N, et al. Basic effects of pulp refining on fiber properties—a review[J]. Carbohydrate Polymers, 2015, 115: 785-803.
[30] 廖瑞金, 杨丽君, 郑含博, 等. 电力变压器油纸绝缘热老化研究综述[J]. 电工技术学报, 2012, 27(5): 1-12.
Liao Ruijin, Yang Lijun, Zheng Hanbo, et al. Reviews on oil-paper insulation thermal aging in power transformers[J]. Transactions of China Electrotechnical Society, 2012, 27(5): 1-12.
[31] 罗杨, 吴广宁, 彭佳, 等. 聚合物纳米复合电介质的界面性能研究进展[J]. 高电压技术, 2012, 38(9): 2455-2464.
Luo Yang, Wu Guangning, Peng Jia, et al. Research progress on interface properties of polymer nanodielectrics[J]. High Voltage Engineering, 2012, 38(9): 2455-2464.
[32] Lewis T J. Interfaces are the dominant feature of dielectrics at the nanometric level[J]. IEEE Transaction on Dielectrics and Electrical Insulation, 2004, 11(5): 739-753.
[33] Kazuki T, Hioshi S, Makoto H, et al. Research and development of ±250 kV DC XLPE cables[J]. IEEE Transaction on Power Delivery, 1998, 13(1): 7-16.
[34] 王琪, 周游, 陈鑫, 等. TiO 2 纳米粒子对油浸纸板沿面放电的影响[J]. 绝缘材料, 2015, 48(8): 36-40.
Wang Qi, Zhou You, Chen Xin, et al. Effect of TiO 2 nanoparticles on surface discharge characteristics of transformer oil impregnated pressboard[J]. Insulating Materials, 2015, 48(8): 36-40.
[35] 周游. 雷电冲击电压下纳米粒子改变变压器油纸绝缘特性的机理[D]. 北京: 华北电力大学, 2015.
[36] 廖瑞金, 郭沛, 周年荣, 等. 新型抗老化混合油-纸板绝缘热老化特性[J]. 电工技术学报, 2015, 30(22): 222-230.
Liao Ruijin, Guo Pei, Zhou Nianrong, et al. The thermal aging characteristics of the new anti-aging mixed oil-pressboard insulation[J]. Transactions of China Electrotechnical Society, 2015, 30(22): 222-230.
[37] Agari Y, Uuo T. Estimation on the thermal conductivity of filled polymer[J].Journal of Applied Polymer Science, 1986, 32(5): 705-712.
[38] 王聪. 环氧树脂/氧化铝导热复合材料的结构设计和制备[J]. 绝缘材料, 2010, 43(1): 52-55.
Wang Cong. The structural design and preparation researches of EP/Al 2 O 3 thermally conductive composite[J]. Insulating Materials, 2010, 43(1): 52-55.