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首页> 外文会议>2011 7th Asia-Pacific International Conference on Lightning >Electrostatic Field and Potential Generated by Arbitrarily-Oriented Line and Surface Sources with Additional External Electric Fields in Air
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Electrostatic Field and Potential Generated by Arbitrarily-Oriented Line and Surface Sources with Additional External Electric Fields in Air

机译：空气中带有任意附加电场的任意方向的线和面源产生的静电场和电势

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摘要

This paper presents a new numerical method to calculate the electrostatic field and potential generated by arbitrarily-oriented line and surface sources with additional external electric fields in air.In the analysis, the soil is simplified as a semi-infinite metallic medium. The metallic objects can be connected to ground to keep them at zero potential or can be floating with a known energized potential or leakage current. This approach can be used to simulate the electric field and potential distribution around substations, power plants, transmission line towers, or buildings under a huge charged cloud in extreme conditions, in order to investigate lightning protection scenarios. The electric field generated by the charged cloud can be represented by an external electric field in this type of simulation. This method can also be used to simulate the electrostatic field and potential distribution within electrostatic precipitators, electrostatic separators, electrostatic coating or spraying system setups, etc.In the paper numerical results are presented for various configurations such as conductor systems, a single plate, parallel plates, multiple plates forming a closed box and a complex system simulating a substation including bus bars, metallic supports and lighting protection masts under a huge charged cloud. Typical results are validated with available analytical methods or valid numerical methods.
机译：本文提出了一种新的数值方法，用于计算空气中任意定向的线和面源以及附加的外部电场所产生的静电场和电势。分析中将土壤简化为半无限金属介质。金属物体可以接地以保持其零电位，也可以以已知的通电电位或泄漏电流浮动。此方法可用于模拟极端条件下巨大电荷云下的变电站，发电厂，输电线路铁塔或建筑物周围的电场和电势分布，以研究防雷方案。在这种类型的仿真中，由带电云生成的电场可以由外部电场表示。该方法还可以用于模拟静电除尘器，静电分离器，静电涂层或喷涂系统设置等中的静电场和电势分布。在本文中，给出了各种配置的数值结果，例如导体系统，单板，并联板，形成密闭盒的多个板和模拟变电站的复杂系统，包括在巨大的带电云下的母线，金属支架和照明桅杆。典型结果通过可用的分析方法或有效的数值方法进行验证。

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