| Substation is the pivotal link in the power grid,which bears the important task of interconnecting with the power source and the power source.Whether the substation runs normally and steadily is related to the stability and safety of the regional power grid system.Once substation failures or even abnormalities occur,it will inevitably affect production and life,so its importance,foundation and support are beyond doubt.In this paper,a new ABC 66 kV substation in northwest keyouqian banner is designed according to the operation characteristics of the power grid in xingan and mengmeng regions.From the substation overall design,electrical primary and secondary system design research,including short-circuit current calculation,reactive power compensation,equipment selection and system relay protection,automation design and other aspects of the substation design research,demonstration.The demonstration part of this paper mainly demonstrates the overall structure design of ABC station,discusses electrical wiring of the main design principles and requirements,and analyzes the power supply load in the northwest of keyouqian banner,and preliminarily describes the overall structure outline of ABC station.The electrical system design part of the main electrical wiring scheme,the main transformer capacity and model,neutral grounding form of the demonstration.Through the comparison of electrical wiring of the main forms,the selection of the main transformer and the electrical calculation of the primary data of the system,the primary system research design is completed.Then the reactive power compensation of the station is studied.According to the normal operation of electrical equipment under the current,voltage and use requirements,the main electrical equipment selection and calibration.At last,the second part of the system is studied and designed from the aspects of relay protection,automatic design and measurement and collection.The research content of this paper starts from the original data of the power system and local power grid,abides by the relevant design principles,rules and regulations,and combines with the actual situation of the region,so as to make the research design of the station more reasonable,economical and stable. |