| 基于线-面模型的边界元法计算特高压交流变电站设备附近工频电场 |
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| 引用本文： | 刘士利,王泽忠,孙静. 基于线-面模型的边界元法计算特高压交流变电站设备附近工频电场[J]. 电工技术学报, 2011, 26(3): 162-167 |
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| 作者姓名： | 刘士利 王泽忠 孙静 |
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| 作者单位： | 华北电力大学高电压与电磁兼容北京市重点实验室,北京,102206;华北电力大学高电压与电磁兼容北京市重点实验室,北京,102206;华北电力大学高电压与电磁兼容北京市重点实验室,北京,102206 |
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| 基金项目： | 国家自然科学基金(50707008); 国际科技合作计划(2007DFA71250)资助项目 |
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| 摘 要： | 针对特高压变电站设备附近工频电场的复杂性,提出了模拟导线、均压环等线状结构的计算模型,推导了形成系数矩阵时线单元奇异积分公式.将线计算模型引入边界元法,与传统的面模型相结合共同模拟变电站各种复杂设备,并采用线、面单元对模型进行剖分,提高了计算效率.计算了荆门1000kV特高压变电站高压并联电抗器附近的工频电场分布,通过...
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| 关 键 词： | 线-面模型 边界元 工频电场 特高压变电站 设备 |
Calculation of Power Frequency Electric Field Near Equipments in UHV Substations With BEM Based on Line-Area Models |
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| Liu Shili Wang Zezhong Sun Jing. Calculation of Power Frequency Electric Field Near Equipments in UHV Substations With BEM Based on Line-Area Models[J]. Transactions of China Electrotechnical Society, 2011, 26(3): 162-167 |
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| Authors: | Liu Shili Wang Zezhong Sun Jing |
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| Affiliation: | Liu Shili Wang Zezhong Sun Jing(Beijing Key Laboratory of High Voltage & EMC North China Electric Power University Beijing 102206 China) |
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| Abstract: | It is difficult to calculate 3-D power frequency electric field around equipments in ultra-high voltage(UHV) substations due to the complex structures.In order to improve the calculation efficiency,a new computational model called line-model which can apply to line structures such as bus and grading ring was proposed.The singular integral formula for line element was deduced and the line-model was introduced into boundary element method(BEM) to deal with complex electrical equipments.As a result,the computa... |
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| Keywords: | Line-area model boundary element method(BEM) power frequency electric field UHV substation equipment |
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