Abstract：Research purposes: The main substation is a very important facility to the urban rail transit, but it is very difficult to select its site. Hope to the public correct understanding the main power substation electromagnetic effects, to change the public impression on the main substation and make the site selection of the substation more smooth and efficient, this paper analyzes and researches the electromagnetic impact of the main substation on the surrounding environment.
Research conclusions: From the interpretation of the term of the electromagnetic radiation, the analysis of the standard and test data on the electromagnetic impact of the substation at home and abroad and especially from the analysis of the test data for the existing main substation, it can be seen the main substations electromagnetic impact on the surrounding environment comes from three aspects: One is from the power frequency electric field, the other one is from the power frequency magnetic field and the final one is from the radio interference. Among them, the radio interference can be negligible and, the impacts of the power frequency electric field and magnetic field effect are far below the standard limits at home and abroad and basically equal to the general atmospheric background values, without any impact on the surrounding residents.
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2013, Vol. 30 
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