| 工频电压下110kV级XLPE电缆绝缘中电树枝生长阶段特性 |
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| 引用本文： | 陈向荣,徐阳,徐杰,史文,杨文虎,刘英,曹晓珑,李敬飞.工频电压下110kV级XLPE电缆绝缘中电树枝生长阶段特性[J].电工电能新技术,2010,29(3). |
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| 作者姓名： | 陈向荣 徐阳 徐杰 史文 杨文虎 刘英 曹晓珑 李敬飞 |
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| 作者单位： | 西安交通大学电力设备电气绝缘国家重点实验室,陕西,西安710049 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 基于实时显微数字摄像技术和局部放电连续测量相结合的实验方法,研究了不同外施工频电压下110kV级XLPE电缆绝缘中电树枝的结构特征及其生长特性。结合大量实验结果,研究发现在不同外施电压的作用下,电树枝结构呈现出多样性的特点,生长过程及其局部放电具有鲜明的阶段特性,而且每个阶段存在不同生长机理。
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| 关 键 词： | 外施工频电压 XLPE电缆绝缘 电树枝 阶段特性 结构特征 局部放电 |
Propagation stage characteristics of electrical tree in 110kV XLPE cable insulation at 50Hz power frequency voltage |
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| CHEN Xiang-rong,XU Yang,XU Jie,SHI Wen,YANG Wen-hu,LIU Ying,CAO Xiao-long,LI Jin-fei.Propagation stage characteristics of electrical tree in 110kV XLPE cable insulation at 50Hz power frequency voltage[J].Advanced Technology of Electrical Engineering and Energy,2010,29(3). |
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| Authors: | CHEN Xiang-rong XU Yang XU Jie SHI Wen YANG Wen-hu LIU Ying CAO Xiao-long LI Jin-fei |
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| Abstract: | Based on the combined experimental methods of real-time microscope digital imaging technology and partial discharge continuous measurement,the structure properties and propagation characteristics of electrical tree in 110kV XLPE cable insulation were studied at different 50Hz power frequency applied voltage.Combined with a number of experimental results,it was found that under the effect of different applied voltages,the electrical tree structures displayed the features of diversity,the propagation process ... |
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| Keywords: | 50Hz power frequency applied voltage XLPE power cable insulation electrical tree stage characteristics structure properties partial discharge |
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