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电网技术  2015 

多场耦合对直流环氧绝缘材料机械性能和热性能的影响

DOI: 10.13335/j.1000-3673.pst.2015.10.040, PP. 2947-2951

Keywords: 多场耦合,直流环氧绝缘材料,弯曲强度,玻璃化转变温度,表面电荷分布

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Abstract:

为研究直流电场、温度场、力场等多场耦合条件下,环氧绝缘材料机械性能和热性能的变化规律,采用直流试验装置对多场耦合条件下环氧绝缘材料的弯曲强度值,以及玻璃化转变温度分布进行了测量,并采用电容探头法,测量其表面电荷分布情况。通过相关理论研究,发现多场耦合条件下环氧绝缘材料弯曲强度随时间对数呈现二次关系并迅速降低,表面电荷的存在加速了环氧绝缘材料的老化作用。研究结论为评价环氧绝缘材料在多场耦合条件下的长期运行特性提供了依据。

References

[1]  俞赞琪,陆惠英.环氧树脂电绝缘材料[M].北京:化学工业出版社,2007:402-408.
[2]  张施令,彭宗仁,冯骅.复合绝缘非线性电场的有限元迭代计算[J].电网技术,2014,38(2):448-455.Zhang Shiling,Peng Zongren,Feng Ye.Iterative finite element method applied to nonlinear electric field of composite insulation[J].Power System Technology,2014,38(2):448-455(in Chinese).
[3]  郝建,徐瑞林,Chen George,等.直流和工频电压下油浸纸绝缘系统空间电荷特性的差异[J].电网技术,2013,37(4):1166-1173.Hao Jian,Xu Ruilin,George Chen,et al.Space charge characteristics difference of oil-impregnated paper insulation system under DC and power frequency voltage[J].Power System Technology,2013,37(4):1166-1173(in Chinese).
[4]  李庆峰,邓桃,毛艳,等.1 000 kV特高压交流复合绝缘子耐张串均压特性研究[J].电网技术,2013,37(9):2541-2546.Li Qingfeng,Deng Tao,Mao Yan, et al.Study on optimization characteristic of composite tension insulators for 1 000 kV UHV AC lines[J].Power System Technology,2013,37(9):2541-2546(in Chinese).
[5]  张晖,阳建红,李海斌,等.湿热老化环境对环氧树脂性能影响研究[J].兵器材料科学与工程,2010,33(3):41-43.Zhang Hui,Yang Jianhong,Li Haibin,et al.Effects of hydrothermal aging on properties of epoxy resin[J].Ordnance Material Science and Engineering,2010,33(3):41-43(in Chinese).
[6]  刘勇.盐雾环境下环氧树脂绝缘破坏研究[D].天津:天津大学,2006.
[7]  周远翔,孙清华,李立范,等.空间电荷对油纸绝缘体击穿强度和沿面闪络的影响[J].电网技术,2009,33(15):76-79.Zhou Yuanxiang,Sun Qinghua,Li Lifan,et al.Effects of space charge on breakdown strength and creeping flashover in oil-paper insulation8 .Power System Technology,2009,33(15):76-79(in Chinese).
[8]  周远翔,孙清华,王宁华,等.空间电荷对低密度聚乙烯电气击穿特性的影响[J].高电压技术,2008,34(3):447-450.Zhou Yuanxiang,Sun Qinghua,Wang Ninghua,et al.Effects of space charges on DC breakdown in low density polyethylene[J].High voltage Engineering,2008,34(3):447-450(in Chinese).
[9]  刘鹏,金海云,石惠承,等.特高压直流套管用环氧树脂/皱纹纸复合绝缘体系介电性能的研究[J].高压电器,2009,45(5):6-8.Liu Peng,Jin Haiyun,Shi Huicheng.et al.Investigation on dielectric properties of epoxy/crepe paper composites for ultra high voltage DC bushing[J].High Voltage Apparatus,2009,45(5):6-8(in Chinese).
[10]  田浩,郝留成,刘随军,等.GIS绝缘件用高性能环氧浇注材料的研究[J].绝缘材料,2013,46 (3):9-13.Tian Hao,Hao Liucheng,Liu Suijun,et al.Research of high-performance epoxy casting material for GIS insulating part[J].Insulating Materials,2013,46 (3):9-13(in Chinese).
[11]  郝留成,杨保利,田浩,等.特高压盆式绝缘子工艺技术研究[J].绝缘材料,2014,47(5):45-49.Hao Liucheng,Yang Baoli,Tian Hao,et al.Study of process technology of UHV basin insulator[J].Insulating Materials,2014,47(5):45-49 (in Chinese).
[12]  邢照亮.GIS绝缘子表面电荷分布对沿面闪络的影响[D].北京:华北电力大学,2013.
[13]  贾志杰,范建斌,李金忠,等.不同SF 6 气压下不同填料环氧树脂绝缘子的直流闪络特性[J].电网技术,2010,34(8):154-159.Jia Zhijie,Fan Jianbin,Li Jinzhong,et al.DC flashover characteristics of epoxy resin insulator with and without fillers under different SF 6 gas pressures[J].Power System Technology,2010,34(8):154-159(in Chinese).
[14]  贾志杰,张乔根,张斌,等.直流下SF 6 中绝缘子的闪络特性[J].高电压技术,2009,35(8):1903-1907.Jia Zhijie,Zhang Qiaogen,Zhang Bin,et al.Flashover characteristic along the insulator under DC voltage in SF 6 gas[J],High voltage Engineering,2009,35 (8):1903-1907(in Chinese).
[15]  Messerer F,Finkel M,Boeck W.Surface charge accumulation on HVDC-GIS-spacer[C]//IEEE International Symposium on Electrical Insulation.Boston,USA,2002:421-425.
[16]  汪沨,方志,邱毓昌.高压直流GIS中绝缘子的表面电荷积聚的研究[J].中国电机工程学报,2005,25(3):105-109.Wang Feng,Fang Zhi,Qiu Yuchang.Study of charge accumulation on insulator surface in HVDC gas-insulated switchgear[J].Proceedings of the CSEE,2005,25(3):105-109 (in Chinese).
[17]  王蓓,张贵新,王强,等.SF 6 及空气中绝缘子表面电荷的消散过程分析[J].高电压技术,2011,37(1):99-103.Wang Bei,Zhang Guixin,Wang Qiang,et al.Analysis of surface charge decay process on insulators in SF 6 and air[J].High Voltage Engineering,2011,37(1):99-103(in Chinese).

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