A bpa database modeling and maintenance method

Abstract

The invention discloses a BPA database modeling and maintenance method. First, a standardized electronic form is established, and the electronic form includes a line parameter table, a substation parameter table, a line table, and a substation table; and the line parameter table includes the line model and the line model corresponding Impedance value; the substation parameter table includes the transformer model and the impedance value corresponding to the transformer model; secondly, input the line model of the line into the line table; input the transformer model into the substation table; secondly, retrieve the line model corresponding to the input line model According to the input transformer model, the impedance value corresponding to the transformer model is retrieved; finally, a BPA line card and a BPA transformer card are generated. Through this scheme, grid data of different years and different operation modes in the same region can share the same form to generate BPA data cards. In this way, the efficiency of database maintenance is greatly improved, and the data modification of the power grid is in place in time, and the error rate is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of power system planning and design, in particular to a BPA database modeling and maintenance method, in particular to an EXCEL-based BPA database rapid modeling and intelligent maintenance method. Background technique [0002] The PSD-BPA software originated from the United States, and was introduced and digested by the China Electric Power Research Institute to form the Chinese version of the BPA software, referred to as BPA. Due to the promotion of China Electric Power Research Institute, BPA has been widely used in my country's power system. At present, the system simulation software used in most power grid companies, power research institutions, power design institutes and universities in China is mainly BPA. [0003] The BPA software has functions such as power flow calculation, transient stability simulation calculation, short circuit calculation, and small disturbance stability calculation. It has po...

AI Technical Summary

Problems solved by technology

Power grid planning and design generally includes tens of thousands or even hundreds of thousands of electrical nodes. According to the data format of BPA, each node corresponds to 2 to 3 data cards on average. If manual input is used, it is extremely troublesome to establish a database. It takes several months to simulate a complete power grid, and the process of establishing the database is very error-prone

[0005] 2) It is difficult to adjust between operating modes

There are different operation modes in the actual operation of the power grid. The grid structure is basically the same among the various operation modes, but the load level, start-up mode, reactive power switching, etc. are quite different. However, different operation modes must be simulated in the process of grid planning and design. mode, but it is very difficult to adjust the operation mode by manually modifying the data card

[0006] 3) It is very difficult to modify the database with the development of power grid planning

In the process of power grid development, some power grid equipment is put into operation and decommissioned every year. At the same time, different schemes must be considered in the process of power grid planning and design. Therefore, the established database needs to be adjusted regularly. The scheme modifies the simulated power grid structure, but it is difficult and error-prone to adjust the database by modifying the data card

Images