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The main control building of Chaoyang-Yuzhou 220kV substation is taken as the research object, and the three-dimensional integrated model of the prefabricated steel structure main control building is built using finite element software ANSYS. Time-history analysis was used to analyse the seismic performance of the corner column structure model of the main control building based on 7-degree seismic fortification. The results show that the maximum displacement value of the column top of the corner column of the main control building of the prefabricated steel structure substation is less than the specification limit. The corner columns significantly reduce the shear force at the bottom of the column, which contributes to the improvement of the overall seismic resistance of the structure and improves the seismic performance of traditional corner columns. Complying with the overall seismic requirements of the substation, this paper provides a theoretical argument for the application of the main control building of the prefabricated steel structure substation in the north.

Analysis of the Anti-seismic Property of the Corner Post in the Main Control Building of Assembled Steel Structure Transformer Substation