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A static finite element analysis of substation busbar structures

机译：变电站母线结构的静态有限元分析

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摘要

A dynamic finite element analysis (FEA) method has been shown in earlier research to accurately predict the mechanical response of power system substation busbar structures during short circuit faults. However, the dynamic method is computationally intensive and time consuming. A static finite element analysis is much faster than the dynamic analysis although it is not as accurate. This paper presents a procedure to scale the forces in a static FEA to provide reasonably accurate results. The proposed procedure accounts for the natural frequency and electrical damping of the busbar structure. It is hoped that the proposed method will be useful in allowing substation engineers to quickly check their preliminary design, reserving the dynamic finite element analysis for final design checkout.
机译：在较早的研究中已经显示了动态有限元分析（FEA）方法，可以准确预测短路故障期间电力系统变电站母线结构的机械响应。但是，动态方法计算量大且耗时。静态有限元分析比动态分析快得多，尽管它不那么准确。本文提出了一种在静态有限元分析中缩放力的程序，以提供合理准确的结果。拟议的程序考虑了母线结构的固有频率和电阻尼。希望所提出的方法将有助于变电站工程师快速检查其初步设计，保留动态有限元分析以进行最终设计检验。

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