| 化学交联方式对聚乙烯水树枝老化特性的影响 |
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| 引用本文： | 王金锋,刘志民,李彦雄,乌江,韩鹏凯,郑晓泉. 化学交联方式对聚乙烯水树枝老化特性的影响[J]. 高电压技术, 2011, 37(10): 2477-2484 |
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| 作者姓名： | 王金锋 刘志民 李彦雄 乌江 韩鹏凯 郑晓泉 |
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| 作者单位： | 1. 西安交通大学电力设备电气绝缘国家重点实验室,西安,710049
2. 上海西门子高压开关有限公司,上海,200245 |
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| 摘 要： | 为研究化学交联对聚乙烯水树枝老化特性的影响，选用低密度聚乙烯（LDPE）、过氧化物交联聚乙烯、硅烷交联聚乙烯作为试验材料。采用水针电极法培养水树枝，用金相显微镜观测水树枝的形态，并统计了水树枝的尺寸和引发率；同时观测了试样的结晶形态，测定了试样的结晶度、交联度和杂质质量分数，并对比分析了交联前后及不同交联方式试样的电气...
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| 关 键 词： | 水树枝 化学交联 聚乙烯(PE) 交联聚乙烯(XLPE) 结晶形态 电气性能 |
Influence of Chemical Cross-linking on Water Treeing in Polyethylene |
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| WANG Jin-feng,LIU Zhi-min,LI Yan-xiong,WU Jiang,HAN Peng-kai,ZHENG Xiao-quan. Influence of Chemical Cross-linking on Water Treeing in Polyethylene[J]. High Voltage Engineering, 2011, 37(10): 2477-2484 |
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| Authors: | WANG Jin-feng LIU Zhi-min LI Yan-xiong WU Jiang HAN Peng-kai ZHENG Xiao-quan |
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| Affiliation: | WANG Jin-feng1,LIU Zhi-min2,LI Yan-xiong1,WU Jiang1,HAN Peng-kai1,ZHENG Xiao-quan1(1.State Key Laboratory of Electrical Insulation and Power Equipment,Xi'an Jiaotong University,Xi'an 710049,China,2.Shanghai Siemens High Voltage Switchgear Co.,Ltd.,Shanghai 200245,China) |
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| Abstract: | The relationship between chemical cross-linking and water treeing was studied.Low density polythene,peroxide cross-linked polyethylene and silane cross-linked polyethylene were chosen as the testing materials.During the experiments,liquid needle electrodes method was used for water tree development,and metallographic microscope was used for observation of water tree morphology and crystalline morphology of samples.Meanwhile,sizes and initiation rates of water trees were counted.Crystalline,cross-linking deg... |
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| Keywords: | water tree chemical cross-linking polyethylene(PE) cross-linked polyethylene(XLPE) crystalline morphology electrical performances |
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