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针对机柜级电磁兼容特性仿真分析中提高仿真效率存在仿真精度与仿真资源消耗的矛盾,尤其是电大尺寸电磁特性求解中,求解效率的提升会使仿真资源的消耗变得不可忍受,提出了一种分治仿真法,对关系到设备机柜电磁特性的关键组件进行抽取,施加激励后进行单独仿真分析,得出其等效阻抗参数矩阵,在进行设备整体仿真时,将该矩阵以边界条件的方式代入到仿真模型中。通过对某型机柜电磁兼容性仿真,该方法能够在保证精度的情况下显著提升电大尺寸电磁兼容特性仿真效率,具有较强的工程实用性。
In order to improve the simulation efficiency in simulation analysis of cabinet-level electromagnetic compatibility, there is a conflict between simulation accuracy and simulation resource consumption. Especially in the solution of large-size electromagnetic characteristics, the consumption of simulation resources becomes unbearable due to the increase of solving efficiency. Divide and distribute the simulation method to extract the key components related to the electromagnetic characteristics of the equipment cabinet, and separate simulation analysis after the excitation is applied to obtain the equivalent impedance parameter matrix. During the overall simulation of the equipment, the matrix is bound by the boundary condition Into the simulation model. By simulating the electromagnetic compatibility of a certain cabinet, the method can greatly improve the simulation efficiency of the large size electromagnetic compatibility characteristics with guaranteed accuracy, and has strong engineering practicability.