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ZnO压敏电阻冲击电流作用下滞后时间的特性分析

, PP. 48-51

Keywords: 氧化锌压敏电阻,空穴,滞后时间,冲击电流

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Abstract:

根据ZnO压敏电阻(MOV)在冲击电流作用下的动态伏安特性,结合空穴诱导隧道击穿理论,提出了氧化锌压敏电阻在冲击电流作用下产生电流滞后现象的原因,并得出影响滞后时间的主要因素包括冲击过程中的冲击电流幅值以及MOV自身的静态参数特性。通过大量实验数据分析得出:随着压敏电压的增大,滞后时间Δt逐渐减短;在冲击小电流区域滞后时间Δt变化不大;在冲击大电流区域滞后时间随冲击电流幅值的增大,滞后时间Δt逐渐增长

References

[1]  孙伟,姚学玲,陈景亮. ZnO压敏电阻在8/20 μs脉冲电流作用下的动态伏安特性分析[J]. 低压电器,2011(15): 1-4. SUN Wei,YAO Xueling,CHEN Jingliang. Analysis of Dynamic Voltage Current Characteristics of ZnO Varistors Under 8 /20 μs Impulse Current[J]. Low Voltage Apparatus,2011(15):1-4.
[2]  周龙,陈继东,文远芳.氧化锌避雷器动态伏安特性的分析[J]. 电瓷避雷器,1997(1): 40-42. ZHOU Long,CHEN Ji Dong,WEN Yuan Fang.Analysis of dynamic Voltage Current Characteristics of Zno Varistorsp[J].Insulators and Surge Arresters,1997(1): 40-42.
[3]  陈新岗,李凡,桑建平.氧化锌压敏陶瓷伏安特性的微观解析[J].高电压技术,2007,33(4):33-37. CHEN Xin Gang,LI Fan,SANG Jian Ping.Microcosmic Analysis of U-I Characteristic of ZnO Pressure-sensitive Ceramics[J]. High Voltage Engineering,2007,33(4):33-37.
[4]  韩述斌.氧化锌压敏电阻器导电机理述评[J].压电与声光,1991,13(3):16-20. HAN Shu Bin.Review on Conduction Mechanisms of ZnO Varistors[J]. Piezoelectrics & Acoustooptics,1991,13(3): 16-20.
[5]  桑建平. 氧化锌压敏电阻片冲击大电流残压特性的研究[J]. 电瓷避雷器,2005,3:32-35. SANG Jianping. Study on th e Characteristics of the Residual Voltage of the ZnO Ceramic Varistor at the Heavy ImPulse Current[J]. Insulators and Surge Arresters,2005, 3:32-35.
[6]  王倩,屠幼萍,丁立建,等. 氧化锌压敏电阻空间电荷与非线性特性的关系[J]. 中国科学,2011,41(8): 1128-1134. WANG Qian,TU You Ping,DING Li Jian et al. Relationship between space charge and nonlinear characteristics of ZnO varistor[J]. Sci China Tech Sci,2011,41(8):1128-1134.
[7]  HU J,HE J L,CHEN Q H. High voltage gradient ZnO nonlinear resistor doped with rare-earth oxide.In:8th International Conference on Properties and Applications of Dielectric Materials,Bali, 2006.963-966.
[8]  DAVID R,CLARKE K. Varistor ceramics[J]. Am Ceram Soc, 1999(82):485-502.
[9]  GUPTA K T.Application of zinc oxide varistors[J]. Am Ceram Soc,1990(73):1817-1840.
[10]  WU W H,He J L,Gao Y M. Properties and Applications of Nonlinear Metal Oxide Varistors[M]. Beijing:Publish of Thinghua University,1998
[11]  MENG F M,SUN Z Q. The evolution of the research for the ZnO varistors[J]. Anhui University (Natural Sciences), 2006(30):61-64.
[12]  MATSUOKA M. Nonohmic properties of zinc oxide ceramics[J]. Appl Phys,1971,10:736-746.
[13]  LEVINSON L M,PHILIPP H R. The physics of metal oxide varistors[J]. Appl Phys,1975(46):1332-1341.
[14]  Emtage P R.The physics of zinc oxide varistors[J]. Appl Phys,1977(48):4372-4384.
[15]  Eda K.Conduction mechanism of non-ohmic zinc oxide ceramics[J]. Appl Phys,1978(49):2964-2972.
[16]  李盛涛,邹晨,刘辅宜. ZnO压敏陶瓷晶界势垒高度和宽度的研究[J]. 电瓷避雷器,2004(1):17-22. LI Shengtao, ZOU Chen,LIU Fuyi. Research of barrier height and width in ZnO varistor ceramics[J]. Insulators and Surge Arresters,2004(1):17-22.
[17]  寇晓括,程锦,李彦明. 氧化锌压敏电阻直流小电流区域伏安特性的研究[J]. 电瓷避雷器,2003,(6).30-33. KOU Xiaokuo,CHENG Jin,LI Yanming.A Study of V-I characteristics of ZnO varistor in leakage current region[J]. Insulators and Surge Arresters,2003(6):30-33.

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