Shanxi Jinzhong Jiexiu 220kV Intelligent Substation Design

The development level of the power grid determines the development level of the country in the process.The substation is the most critical step.It directly affects the normal operation and safety of all power systems.It is an important hub connecting users and power plants,and plays an important role in transforming and distributing electrical energy.Designing the most economical and excellent substation has become an important subject for future grid construction research.With the rapid development of parts of Jinzhong City,Shanxi Province,the local user demand for electricity is far greater than the current power supply capacity of the grid.New substations must be added to meet the needs of users and enterprises,thereby further boosting the national economy Get a more complete development.According to the approval of Shanxi Electric Power Company,the new220 k V substation project of Shanxi Jinzhong Jiexiu Development Zone has initially determined the voltage level,the long-term design scale of the main transformer and the overall scale.According to specific standards,this article has carried out a complete configuration of the electrical primary system and electrical secondary system,and determined the relevant electrical equipment.The main research contents of this paper are as follows:1.The access plan of the substation system is determined.After considering the economic development of Jinzhong City in Shanxi Province and the status quo of Shanxi’s power grid development,a correct load forecast is made for this area,and the relevant design of the substation access system is based on this.2.Scale design of substation.The connection scheme of the substation system is determined above.According to this scheme,the design of the scale of the substation can be determined,and a reasonable decision can be made after field inspection.3.System communication and monitoring system.Determination of the secondary system of the substation.Several access schemes of the system network of the substation were designed in detail.It also includes the selection of specific secondary equipment and specific plans for dispatch automation.