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首页> 外文期刊>Electric power systems research >Behaviour of grounding systems: A quasi-static EMTP model and its validation
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Behaviour of grounding systems: A quasi-static EMTP model and its validation

机译：接地系统的行为：准静态EMTP模型及其验证

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摘要

The transient behaviour of grounding systems subject to lightning strokes may be studied by means of approaches based to simple and approximated circuit models or to the more rigorous electromagnetic field theory. Both philosophies have pros and cons.In the paper a circuit model, developed by the authors in the past years and implemented with modern simulation software, is presented. The model is suitable to describe with sufficient accuracy the behaviour of complex and realistic grounding systems under surge condition, and, in particular, the peculiarity of this model is the inclusion of current controlled voltage sources into the classical RLC circuit, in order to take into account the resistive coupling among the elementary electrodes of a complex grounding system.In order to validate the model and to identify the frequency range of applicability, simulation results have been compared to ones based on electromagnetic field theory available in literature.
机译：可以通过基于简单和近似的电路模型或更严格的电磁场理论的方法研究遭受雷击的接地系统的瞬态行为。两种哲学都有其优缺点。本文提出了由作者在过去几年中开发并用现代仿真软件实现的电路模型。该模型适合以足够的精度描述浪涌条件下复杂而现实的接地系统的行为，并且特别是，该模型的独特之处在于将电流控制电压源包含在经典RLC电路中，以便将为了验证模型并确定适用频率范围，已将仿真结果与文献中基于电磁场理论的仿真结果进行了比较，以验证模型并确定适用的频率范围。

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