Simulation Research Of The Electronic Performance Of Grounding Grips

Recent years, more and more composite material was used on the plane. At the same time, electromagnetic compatibility problems, resulted by using of composite material, need to be made deeper research about.This paper, taken grounding and shielding of using composite material plane as its research background, discussed diversified factor that affect electric performance of Grounding Grids by using simulating software., have accumulated some experience that could be draw lessons from by subsequent researcher.The paper contains three main aspects showed as follow:Firstly, by simulating, the paper discussed the relationships between cube reticulation's shielding performance and current source frequency, wire's radius, shape of grounding grips and grid space between. Further more, this paper compared shielding performance of a cube reticulation and a metallic cube box which have same sizes.Secondly, by simulating, this paper discussed relationships between grounding grids'inner voltage and current frequency, wire radius, shape of grounding grid, segment's length and current injecting point. What's more, the paper discussed the voltage's changing rule when there are more than one injecting currents and when we use grounding grid and grounding plate's admixture.Thirdly, by simulating, this paper discussed a medium board's influence to a planar grounding grid; discussed the medium board's relative permittivity, thickness and dielectric loss factor's influence to distributing of the planar grid's current and inner voltage. Also, the paper compared the voltages when there's a medium board or not.