| 导电碳黑填充EVA半导电电极对聚乙烯中空间电荷注入的影响 |
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| 引用本文： | 张冶文,牛奋英,安振连,郑飞虎,马朋,雷清泉. 导电碳黑填充EVA半导电电极对聚乙烯中空间电荷注入的影响[J]. 高电压技术, 2011, 37(8) |
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| 作者姓名： | 张冶文 牛奋英 安振连 郑飞虎 马朋 雷清泉 |
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| 作者单位： | 1. 同济大学先进微结构材料教育部重点实验室,上海,200092
2. 哈尔滨理工大学电气与电子工程学院,哈尔滨,150080 |
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| 基金项目： | 国家自然科学基金(5107710150807040); 国家重点基础研究发展计划(973计划)(2009CB724505)~~ |
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| 摘 要： | 为探索导电碳黑填充EVA半导电电极对聚乙烯中空间电荷注入的影响，分别将碳黑以3种不同的比例填充到EVA中作为聚乙烯的电极，碳黑的体积分数分别为27％，32％和34％。高压下，采用压力波法研究聚乙烯中空间电荷的注人情况，并对测量结果进行定性的比较和分析。结果表明，聚乙烯样品中空间电荷的注入量随着电极中碳黑填充率的增大，空间电荷的注入量反而减小。这与理论预测相符，电极中碳黑的填充率越大，与聚合物接触的界面处碳黑颗粒的排列就越密集，颗粒表面最高场强就越低，且表面局部高场区在平均场强的延伸范围就越小，从而就减少了空间电荷的注入。
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| 关 键 词： | 半导电电极 空间电荷 碳黑 低密度聚乙烯(LDPE) 乙烯醋酸乙烯酯共聚物(EVA) 局部电场 填充率 |
Space Charge Injection in LDPE by Semi-conductive Electrode with Different Carbon Black Filling Rates |
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| ZHANG Ye-wen,NIU Fen-ying,AN Zhen-lian,ZHENG Fei-hu,MA Peng,LEI Qing-quan. Space Charge Injection in LDPE by Semi-conductive Electrode with Different Carbon Black Filling Rates[J]. High Voltage Engineering, 2011, 37(8) |
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| Authors: | ZHANG Ye-wen NIU Fen-ying AN Zhen-lian ZHENG Fei-hu MA Peng LEI Qing-quan |
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| Affiliation: | ZHANG Ye-wen1,NIU Fen-ying1,AN Zhen-lian1,ZHENG Fei-hu1,MA Peng1,LEI Qing-quan2 (1.Ministry of Education Key Laboratory of Advanced Microstructure Materials,Tongji University,Shanghai 200092,China,2.College of Electrical & Electronic Engineer,Harbin University of Science and Technology,Harbin 150080,China) |
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| Abstract: | Electrode materials may play an important role in space charge accumulations.Semi-conductive electrodes,carbon black(CB) with ethylene vinyl acetate copolymer(EVA) at three different filling rates,27%,32%,and 34%,respectively,were adopted to study their space charge injection by the pressure wave ropagation(PWP) method.Results show that,higher CB filling rate induces lower space charge injection than the electrode with lower CB filling rate.It is in agreement with the theoretical analysis.Both the large CB ... |
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| Keywords: | semi-conductive electrode space charge carbon black low density polyethylene(LDPE) ethylene vinyl acetate copolymer(EVA) local electric field filling rate |
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