CN106709143B - VFTO batch simulation analysis method and system based on ATP automatic modeling - Google Patents
VFTO batch simulation analysis method and system based on ATP automatic modeling Download PDFInfo
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- CN106709143B CN106709143B CN201611034056.4A CN201611034056A CN106709143B CN 106709143 B CN106709143 B CN 106709143B CN 201611034056 A CN201611034056 A CN 201611034056A CN 106709143 B CN106709143 B CN 106709143B
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Abstract
The invention discloses a VFTO batch simulation analysis method and a VFTO batch simulation analysis system based on automatic modeling of ATP, wherein the method comprises the steps of reading an original ATP simulation model file for describing GIS station steady state information and storing the original ATP simulation model file into a database; analyzing an original ATP simulation model file to obtain node names of all isolating switches which are possible to generate VFTO in the GIS station; searching a character segment for describing the simulation information of the corresponding isolating switch in the original ATP simulation model file, and modifying the simulation information of the corresponding isolating switch in a file writing mode; obtaining an ATP simulation model file of VFTO; traversing simulation information of all the isolating switches described in the original ATP simulation model file, and establishing an ATP simulation model file of the GIS station VFTO in batch; and carrying out batch simulation on all the generated ATP simulation model files of the VFTO, and outputting simulation results. The method can realize the full automation and intellectualization of the batch modeling and simulation analysis, is simple to operate, greatly simplifies the VFTO modeling policy analysis process, and improves the working efficiency of related researchers.
Description
Technical Field
The invention belongs to the technical field of simulation calculation of power systems, and particularly relates to a VFTO batch simulation analysis method and system based on ATP automatic modeling.
Background
With the improvement of the voltage grade and the continuous expansion of the scale of the power system, the GIS transformer substation is widely applied to a power grid. Very Fast Transient Overvoltage (VFTO) generated by the operation of an isolating switch in the GIS has great threat to the insulation safety of high-voltage equipment of a system, and is a problem which is generally concerned by GIS transformer substation design and researchers at home and abroad in recent years. At present, aiming at a fixed GIS transformer substation and specific disconnecting link operation, a VFTO generation mechanism and a simulation method are researched more mature. However, the VFTO inside the GIS is affected by various factors, and requires a large amount of simulation data for relevant research.
The characteristics of VFTO are affected by GIS station structure, component parameters, operating isolator positions, etc. Normally, electromagnetic transient simulation software is used for obtaining VFTO waveform information, but simulation calculation only aims at a specific GIS structure and a limited operation process, and has high requirements on transient simulation capacity for establishing a model and modifying working conditions. On the other hand, in engineering practice, GIS station design and operation personnel generally lack time and capability to carry out comprehensive simulation research on the VFTO of the GIS station, and an intelligent simulation analysis method and system which are simple to operate, accurate and reliable are urgently needed.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a VFTO batch simulation analysis method and system based on ATP automatic modeling. The method can realize the full automation and intellectualization of the batch modeling and simulation analysis, is simple to operate, greatly simplifies the VFTO modeling policy analysis process, and improves the working efficiency of related researchers.
In order to achieve the purpose, the invention adopts the following technical scheme:
a VFTO batch simulation analysis method based on ATP automatic modeling comprises the following steps:
reading an original ATP simulation model file describing GIS station steady state information and storing the original ATP simulation model file into a database;
analyzing an original ATP simulation model file to obtain node names and topological connection information of the isolating switches in the GIS station, and further obtaining node names of all isolating switches which are possible to generate VFTO in the GIS station;
searching a character segment for describing simulation information of a corresponding isolating switch in an original ATP simulation model file according to the node name of the isolating switch which is likely to generate VFTO, and modifying the simulation information of the corresponding isolating switch in a file writing mode;
writing a character segment describing a VFTO signal generation model into a corresponding position of an original ATP simulation model file to obtain an ATP simulation model file of the VFTO;
traversing simulation information of all the isolating switches described in the original ATP simulation model file, and establishing an ATP simulation model file of the GIS station VFTO in batch;
and carrying out batch simulation on all the generated ATP simulation model files of the VFTO, and outputting simulation results.
The topology connection information comprises that the isolating switch is connected with the bus, the isolating switch is connected with the transformer and the isolating switch is connected with the isolating switch.
According to the invention, the VFTO simulation model files of the GIS station can be automatically generated in batches only by acquiring the ATP simulation model files describing the GIS station steady state information, and the batch simulation results are compared and analyzed, so that the efficiency of simulation research work is improved, and the workload of GIS station development operators and related researchers in modeling and analyzing the VFTO is greatly reduced.
And after the node names of all isolating switches which are possible to generate VFTO in the GIS station are obtained, the node names of all isolating switches which are possible to generate VFTO in the GIS station are stored in a database in a character string mode. Therefore, for the comparison of the subsequent node name character strings and the character strings in the ATP simulation model file, the simulation information of the corresponding isolating switch can be quickly and efficiently inquired, and the overall simulation efficiency is improved.
And finding out simulation information corresponding to the isolating switches according to the comparison of the node name character strings of all isolating switches which are possibly subjected to VFTO and are stored in the database with the character strings in the ATP simulation model file. By character string comparison, the simulation information of the corresponding isolating switch can be accurately inquired.
Analyzing the original ATP simulation model file to obtain a structural body for describing GIS substation information; the structure body comprises the element types, node names and topology connection information of all the components in the GIS station.
A VFTO batch simulation analysis system based on ATP automatic modeling comprises:
the system comprises a reading information module, a database and a control module, wherein the reading information module is configured to read an original ATP simulation model file describing GIS station steady state information and store the original ATP simulation model file into the database;
the analysis module is configured to analyze the original ATP simulation model file to obtain node names and topological connection information of the isolating switches in the GIS station and further obtain node names of all isolating switches which are possible to generate VFTO in the GIS station;
the simulation model information modification module is configured to search a character segment for describing simulation information of a corresponding isolating switch in an original ATP simulation model file according to the node name of the isolating switch which is likely to generate VFTO, and modify the simulation information of the corresponding isolating switch in a file writing mode;
the device comprises an ATP simulation model file acquisition module, a VFTO signal generation module and a VFTO simulation model file generation module, wherein the ATP simulation model file acquisition module is configured to write a character segment describing a VFTO signal generation model into a corresponding position of an original ATP simulation model file to obtain the ATP simulation model file of the VFTO;
the system comprises an ATP simulation model file batch establishing module, a data processing module and a data processing module, wherein the ATP simulation model file batch establishing module is configured to traverse simulation information of all isolating switches described in an original ATP simulation model file and establish an ATP simulation model file of the GIS station VFTO in batches;
and the batch simulation running module is configured to perform batch simulation on the generated ATP simulation model files of all VFTO and output simulation results.
The topology connection information comprises that the isolating switch is connected with the bus, the isolating switch is connected with the transformer and the isolating switch is connected with the isolating switch.
The system further comprises a data storage module configured to store node names of all disconnectors in the GIS station, where VFTO may occur, in a database in the form of a character string.
The system also comprises a simulation information query module of the isolating switch, which is configured to find out the simulation information corresponding to the isolating switch according to the comparison of the node name character strings of all isolating switches which are stored in the database and can possibly generate VFTO with the character strings in the ATP simulation model file.
The analysis module is also configured to analyze the original ATP simulation model file to obtain a structural body for describing GIS substation information; the structure body comprises the element types, node names and topology connection information of all the components in the GIS station.
The invention has the beneficial effects that:
(1) according to the invention, the VFTO simulation model files of the GIS station can be automatically generated in batches only by acquiring the ATP simulation model files describing the stable state information of the GIS station, and the batch simulation results are compared and analyzed, so that the efficiency of simulation research work is improved, and the workload of GIS station development operators and related researchers in modeling and analyzing the VFTO is greatly reduced;
(2) the VFTO waveform information generated during switching operation of the GIS station is quickly solved, and references are provided for GIS substation design, transformer equipment insulation design, GIS station optimal configuration and the like.
Drawings
FIG. 1 is a flow chart of a conventional ATP software-based VFTO simulation modeling method;
FIG. 2 is a flow chart of a VFTO batch simulation analysis method based on ATP automatic modeling.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1, in the conventional VFTO simulation modeling method based on ATP software, a researcher needs to manually analyze a GIS substation structure, manually modify a model topology structure and parameters in an atpdew interface, save a file after modification is completed, manually run a simulation program, and then manually import a simulation result into MATLAB software for signal analysis, wherein the entire process can only perform simulation analysis on VFTO generated by one isolator in a GIS station, and if VFTO under various conditions needs to be researched, the above operations need to be repeatedly performed. The characteristics of the VFTO are influenced by factors such as a GIS station structure, element parameters, and an operation isolating switch position, and the conventional modeling simulation method needs repetitive low-efficiency work, which consumes a lot of manpower and time.
The VFTO batch simulation analysis method based on ATP automatic modeling can adopt MATLAB software, C language programming and other programming languages to call ATP software to realize simulation.
Fig. 2 shows an implementation flow of the VFTO batch simulation analysis method based on ATP automatic modeling according to the present invention, taking an MATLAB tool as an example:
(1) and reading an ATP simulation model file for describing GIS station stable state information by using MATLAB, analyzing the ATp file into a struct structural body by using the MATLAB, wherein the structural body comprises the element types, node names and topology connection information of all the components in the GIS station.
And acquiring the node name of an isolating switch which is possibly subjected to VFTO in the GIS station according to the topology connection information, and storing the node name as a character string. The topological connection of the isolating switch is mainly divided into three cases: the isolating switch is connected with the bus, the isolating switch is connected with the transformer, the isolating switch is connected with the isolating switch, and the corresponding connecting nodes of which the node names need to be stored are respectively connecting nodes of the isolating switch and the bus, connecting nodes of the isolating switch and the transformer and connecting nodes of the isolating switch and the isolating switch.
(2) According to the operation characteristics of ATP software, a character string formed by node names at two ends of an element in the ATP file is named as a simulation element, and the character string stored in the step (1) is compared with the character string in the ATP file by using MATLAB to find out the simulation information corresponding to the isolating switch.
The modification to the atp file is achieved by using file editing commands, the modifications required to be made including: and modifying the simulation model parameters and the topological connection of the isolating switch.
(3) And (2) the MATLAB integrates the information including the switch information, the disconnecting switch and the equivalent transient model information of the circuit breaker into a fixed character string through the VFTO signal generation model, the fixed character string is written into the corresponding position of the atp file in the form of a data card, the node information of the VFTO signal generation model is changed, and the node name stored in the step (1) is used for replacing the node name of the port of the VFTO signal generation model, so that the VFTO signal generation model is accessed into the simulation model.
The VFTO signal generation model refers to a simulation model which is used for generating VFTO waveforms by a direct-current power supply, a disconnecting switch and a circuit breaker simulation original, the simulation model is connected into an original model, the VFTO waveforms can be injected into an original steady-state model after simulation is operated, and subsequent simulation is completed.
In the invention, a simulation model of the VFTO waveform generated by the VFTO signal generation model is written into the original atp file in a character string mode, namely, the simulation model of the VFTO waveform is accessed into the original simulation model, thereby realizing the establishment of the VFTO simulation model.
(4) And (3) naming the atp files after modification by using the node names saved in the step (1) by using the MATLAB, and saving the atp files under a simulation folder, so that each generated VFTO simulation model file is named by using a different node name, and the simulation result is conveniently and automatically analyzed by a human and a computer.
(5) And (4) circulating the steps (1) to (4), reading the isolating switch information in the atp file one by one, generating a corresponding VFTO simulation model until the MATLAB traverses all the isolating switch information which is described in the atp file and can generate VFTO, generating all possible VFTO simulation model files, and finishing circulation to realize batch establishment of the VFTO simulation models of the GIS stations.
(6) And (3) calling a windows batch processing command in the MATLAB, calling a simulation kernel program Tpbig.exe of ATP software by the windows batch processing command to run simulation model files one by one, carrying out batch simulation on all the VFTO simulation model files generated in the step (5), and automatically storing a simulation result in a simulation folder.
(7) MATLAB reads a VFTO simulation result data file of a GIS station under a simulation folder to generate a VFTO simulation waveform, a modern signal analysis method (such as wavelet transformation, S transformation and the like) is used for carrying out comparative analysis on batch simulation results, and signal characteristics of the VFTO waveform under different conditions are compared to obtain an analysis report.
Compared with the traditional simulation method, the method only needs to acquire an ATP simulation model file for describing GIS station stable state information, automatically analyzes GIS station topological structure information by a program, automatically traverses all isolating switch information in a GIS station, automatically changes ATP simulation files, adds a VFTO signal generation model into the model, generates VFTO simulation model files of the GIS station in batches, automatically runs an ATP simulation program to perform simulation operation, compares and analyzes batch simulation results by using a modern analysis method, and generates an analysis report. The whole simulation process is fully automatic, and the VFTO waveform information and the analysis report of the whole GIS station can be obtained only by simple one-time operation. The efficiency of simulation research work is greatly improved, the work difficulty is reduced, and the workload of GIS station development operators and related researchers in VFTO modeling analysis is reduced.
The invention also provides a VFTO batch simulation analysis system based on ATP automatic modeling, which comprises: the device comprises an information reading module, an analysis module, a simulation model information modification module, an ATP simulation model file acquisition module, an ATP simulation model file batch establishing module and a batch simulation operation module.
The information reading module is configured to read an original ATP simulation model file describing GIS station steady state information and store the original ATP simulation model file into a database.
And the analysis module is configured to analyze the original ATP simulation model file to obtain the node names and the topology connection information of the isolating switches in the GIS station and further obtain the node names of all isolating switches which are possible to generate VFTO in the GIS station.
The analysis module is also configured to analyze the original ATP simulation model file to obtain a structural body for describing GIS substation information; the structure body comprises the element types, node names and topology connection information of all the components in the GIS station.
The topology connection information comprises that an isolating switch is connected with a bus, the isolating switch is connected with a transformer and the isolating switch is connected with the isolating switch.
And the simulation model information modification module is configured to search a character segment for describing the simulation information of the corresponding isolating switch in the original ATP simulation model file according to the node name of the isolating switch where the VFTO possibly occurs, and modify the simulation information of the corresponding isolating switch in a file writing mode.
And the ATP simulation model file acquisition module is configured to write the character segments describing the VFTO signal generation model into corresponding positions of the original ATP simulation model file to obtain the ATP simulation model file of the VFTO.
And the ATP simulation model file batch establishing module is configured to traverse the simulation information of all the isolating switches described in the original ATP simulation model file and establish the ATP simulation model file of the GIS station VFTO in batch.
And the batch simulation running module is configured to perform batch simulation on the generated ATP simulation model files of all VFTO and output simulation results.
The system further comprises a data storage module configured to store node names of all disconnectors in the GIS station, where VFTO may occur, in a database in the form of a character string.
The system also comprises a simulation information query module of the isolating switch, which is configured to find out the simulation information corresponding to the isolating switch according to the comparison of the node name character strings of all isolating switches which are stored in the database and can possibly generate VFTO with the character strings in the ATP simulation model file.
According to the invention, the VFTO simulation model files of the GIS station can be automatically generated in batches only by acquiring the ATP simulation model files describing the stable state information of the GIS station, and the batch simulation results are compared and analyzed, so that the efficiency of simulation research work is improved, and the workload of GIS station development operators and related researchers in modeling and analyzing the VFTO is greatly reduced; the VFTO waveform information generated during switching operation of the GIS station is quickly solved, and references are provided for GIS substation design, transformer equipment insulation design, GIS station optimal configuration and the like.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. A VFTO batch simulation analysis method based on ATP automatic modeling is characterized by comprising the following steps:
reading an original ATP simulation model file describing GIS station steady state information and storing the original ATP simulation model file into a database;
analyzing an original ATP simulation model file to obtain node names and topological connection information of the isolating switches in the GIS station, and further obtaining node names of all isolating switches which are possible to generate VFTO in the GIS station;
searching a character segment for describing simulation information of a corresponding isolating switch in an original ATP simulation model file according to the node name of the isolating switch which is likely to generate VFTO, and modifying the simulation information of the corresponding isolating switch in a file writing mode;
writing a character segment describing a VFTO signal generation model into a corresponding position of an original ATP simulation model file to obtain an ATP simulation model file of the VFTO;
traversing simulation information of all the isolating switches described in the original ATP simulation model file, and establishing an ATP simulation model file of the GIS station VFTO in batch;
and carrying out batch simulation on all the generated ATP simulation model files of the VFTO, and outputting simulation results.
2. The method of claim 1, wherein the topology connection information comprises isolator to bus connections, isolator to transformer connections, and isolator to isolator connections.
3. The method for VFTO batch simulation analysis based on ATP automatic modeling as claimed in claim 1, wherein after obtaining the node names of all the disconnectors which can generate VFTO in the GIS station, the node names of all the disconnectors which can generate VFTO in the GIS station are stored in a database in the form of character strings.
4. The method of claim 3, wherein the simulation information of the corresponding isolator is found according to the comparison of the node name character strings of all the isolators which may generate VFTO and the character strings in the ATP simulation model file stored in the database.
5. The VFTO batch simulation analysis method based on the ATP automatic modeling as claimed in claim 1, wherein an original ATP simulation model file is analyzed to obtain a structural body describing GIS substation information; the structure body comprises the element types, node names and topology connection information of all the components in the GIS station.
6. A VFTO batch simulation analysis system based on ATP automatic modeling is characterized by comprising:
the system comprises a reading information module, a database and a control module, wherein the reading information module is configured to read an original ATP simulation model file describing GIS station steady state information and store the original ATP simulation model file into the database;
the analysis module is configured to analyze the original ATP simulation model file to obtain node names and topological connection information of the isolating switches in the GIS station and further obtain node names of all isolating switches which are possible to generate VFTO in the GIS station;
the simulation model information modification module is configured to search a character segment for describing simulation information of a corresponding isolating switch in an original ATP simulation model file according to the node name of the isolating switch which is likely to generate VFTO, and modify the simulation information of the corresponding isolating switch in a file writing mode;
the device comprises an ATP simulation model file acquisition module, a VFTO signal generation module and a VFTO simulation model file generation module, wherein the ATP simulation model file acquisition module is configured to write a character segment describing a VFTO signal generation model into a corresponding position of an original ATP simulation model file to obtain the ATP simulation model file of the VFTO;
the system comprises an ATP simulation model file batch establishing module, a data processing module and a data processing module, wherein the ATP simulation model file batch establishing module is configured to traverse simulation information of all isolating switches described in an original ATP simulation model file and establish an ATP simulation model file of the GIS station VFTO in batches;
and the batch simulation running module is configured to perform batch simulation on the generated ATP simulation model files of all VFTO and output simulation results.
7. The ATP-based automated modeling VFTO batch simulation analysis system of claim 6, wherein the topology connection information includes isolator to bus connections, isolator to transformer connections, and isolator to isolator connections.
8. The system of claim 6, further comprising a data storage module configured to store node names of all possible VFTO-enabled disconnectors in the GIS station into the database in a string format.
9. The system of claim 8, further comprising a simulation information query module of the isolation switch, configured to find the simulation information of the corresponding isolation switch according to the comparison of the node name character strings of all the isolation switches where VFTO may occur, which are stored in the database, with the character strings in the ATP simulation model file.
10. The system of claim 6, wherein the parsing module is further configured to parse the original ATP simulation model file to obtain a structure body describing GIS substation information; the structure body comprises the element types, node names and topology connection information of all the components in the GIS station.
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| CN108334684B (en) * | 2018-01-24 | 2021-10-12 | 三峡大学 | VFTO modeling analysis method in opening and closing process of isolating switch |
| CN111027164B (en) * | 2018-10-08 | 2023-12-29 | 长城汽车股份有限公司 | STAR-CCM+ based automatic simulation analysis method and device |
| CN110990991A (en) * | 2019-10-15 | 2020-04-10 | 山西大学 | Method for analyzing ONE batch simulation result |
| CN112364558B (en) * | 2020-10-12 | 2023-06-20 | 中山大学 | Double-layer optimization method and device for one-piece-type multi-body type wave energy power generation device |
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