BPA database modeling and maintenance method

Abstract

The invention discloses a BPA database modeling and maintenance method. The method comprises the steps of firstly, establishing a standardized electronic form, wherein the electronic form comprises a circuit parameter table, a substation parameter table, a circuit table and a substation table, the circuit parameter table comprises circuit types and impedance values corresponding to the circuit types, and the substation parameter table comprises transformer types and impedance values corresponding to the transformer types; secondly, inputting the circuit types of circuits to the circuit table, and inputting the transformer types to the substation table; thirdly, retrieving the impedance values corresponding to the circuit types according to the input circuit types, and retrieving the impedance values corresponding to the transformer types according to the input transformer types; and finally, generating a BPA circuit card and a BPA transformer card. Through the scheme, power network data of different level years and different operation modes in a same region can share a same form to generate a BPA data card, so that the database maintenance efficiency is greatly improved, the power network data is modified 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...

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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

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