| 特高压交流变电站设备附近工频电场计算 |
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| 引用本文： | 王泽忠,刘士利,孙静.特高压交流变电站设备附近工频电场计算[J].高电压技术,2010,36(1):81-85. |
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| 作者姓名： | 王泽忠 刘士利 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 |
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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)~~ |
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| 摘 要： | 为了系统研究特高压交流变电站电磁环境建模方法和预测计算,针对特高压交流变电站设备附近电场的复杂性,提出了基于边界元原理的线模型和面模型相结合的3维工频电场计算方法,建立了基于边界元法的导线仿真模型,并推导了线模型的计算公式。将线模型引入边界元法与面模型结合共同模拟结构复杂的电气设备,通过计算设备的表面电荷和导线的等效电荷得出设备周围的空间电场分布;分析计算了国内晋东南1000 kV特高压交流变电站高压并联电抗器附近离地1.5 m平面上的工频电场分布。计算结果表明,线模型大大提高了计算的效率。通过与现场测量数据的比较,证实了该算法的有效性。
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| 关 键 词： | 边界元 特高压交流 变电站 工频电场 线模型 设备 等效 |
Calculation of Power Frequency Electric Field near Equipments in UHV AC Substations |
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| WANG Ze-zhong
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LIU Shi-li
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SUN Jing.Calculation of Power Frequency Electric Field near Equipments in UHV AC Substations[J].High Voltage Engineering,2010,36(1):81-85. |
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| Authors: | WANG Ze-zhong LIU Shi-li SUN Jing |
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| Affiliation: | Beijing Key Laboratory of High Voltage & EMC;North China Electric Power University;Beijing 102206;China |
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| Abstract: | It is essential to research the method of UHV AC stations electromagnetic environment modeling and prediction computation while it is difficult and inaccurate to calculate 3D electric field distribution around equipment in UHV AC substations by means of using some softwares.In order to improve the calculation efficiency,a new method based on BEM is proposed to deal with complex electrical equipment.In this method,a new computational model called line-modle is introduced to simulate wire.The space electric f... |
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| Keywords: | BEM UHV AC substation power frequency electric field line-model equipments equivalent |
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