CN103715685A - Graph visualization system used for electric system load flow and stability analysis - Google Patents
Graph visualization system used for electric system load flow and stability analysis Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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Abstract
The invention discloses a graph visualization system used for electric system load flow and stability analysis. The graph visualization system comprises a data processing module, a topological analysis module, a parameter modifying module, a graph displaying module and a software interface module. The data processing module is used for obtaining, storing and exporting network topological data, and a calculation file and the topological data are connected in a linkage mode. On the basis of data processing, the system sets the starting and halting states of equipment, and modifies parameters of the equipment through the topological analysis module and the parameter modifying module. Programs, provided by PSD-BPA software, for load flow calculation, stability calculation, N-1 analysis, small interference, short-circuit currents and fracture surface limit analysis are called through the software interface module. The graph displaying module is used for displaying a power grid topological structure, editing graph objects and displaying calculation result information. According to the system, power grid equipment parameters and mode data are adjusted on a graph sheet, the load flow and stability analysis is performed on the graph sheet, the management mode of text data is changed, and manufacturing efficiency of a power grid calculation mode is improved.
Description
Technical field
The invention belongs to Visualization of Electric Power Systems field, relate to the adjustment of electrical network parameter and the Arrangement Problem of mode, especially can realize the power system analysis software instrument of PSD-BPA(China Electric Power Research Institute exploitation, hereinafter to be referred as PSD-BPA) graphically managing and the adjustment of trend and steadiness parameter.
Background technology
A plurality of core calculations programs and all kinds of integrated operation environments such as trend that power system analysis program PSD-BPA is integrated, stable, short circuit current, little interference calculation analysis, voltage stabilization, the feature such as have that calculating scale is large, computational speed is fast, better numerical value stability, function are strong, Yi China power system planning, scheduling, production run and scientific research department are widely applied.PSD-BPA software be take data file as basis, with card form storage various information, only in strict accordance with format specification, generates corresponding text, could normally use.
Graphics software in PSD-BPA software, on the basis of importing data film and trend destination file, provides the function of drawing power system component topology diagram visual calculation of tidal current.But existing simulator parameter management mode and graphics system depart from, model parameter still need be take the form of text and safeguarded on integrated platform as basis.Because the huge and operational mode of electric network composition scale is complicated and changeable, so it is very difficult to navigate to fast and accurately corresponding device parameter in data file, and exist because a certain device parameter arranges the unreasonable possibility that causes mode to restrain.Therefore, need user under the prerequisite of fully understanding electric power networks, carefully to check supplemental characteristic, this can expend a large amount of time and efforts undoubtedly.Therefore, the present invention is directed to above-mentioned simulator parameter management mode and graphics system and depart from problem, propose a kind of graph visualization system for electric power system tide and stability analysis.
Summary of the invention
The object of the invention is to overcome the deficiency of describing in background technology, for electric power system tide and stability analysis provide a kind of friendly interface, easy to operate, show accurately powerful graph visualization system.For realizing foregoing goal of the invention, the present invention adopts following technical scheme:
Set up a kind of graph visualization system for electric power system tide and stability analysis, comprise data processing module, topological analysis module, parameter modification module, pattern exhibiting module and software interface module; Described data processing module is connected with described parameter modification module, described pattern exhibiting module by described topological analysis module, described parameter modification module is connected with described pattern exhibiting module by described topological analysis module, and described software interface module is connected with described pattern exhibiting module;
Described data processing module, for obtaining network topology data, associated calculation document and system data, maintain system data, according to specific data storages rule derived data;
Described topological analysis module, for analyzing topological structure of electric, judgement electrical network isolated island;
Described parameter modification module, for setting the start-stop state of visualization system equipment, revise the device parameter in visualization system, and the revised context DAT(PSD-BPA trend of writing direct calculated to the document format data needing), the document format data that needs of SWI(PSD-BPA stability Calculation) file;
Described pattern exhibiting module, for showing topological structure of electric, editing graph object, showing result of calculation information;
Described software interface module, docks for the trend calculating, stability Calculation, N-1 analysis, little interference analysis, short circuit current, the section Limit Analysis program that provide with PSD-BPA software;
Described data processing module, comprises that data importing, data correlation, data are preserved, data derive;
Described parameter modification module, the file that comprises that the modification of basic parameter information, trend, steadiness parameter information are revised, equipment start-stop state is set and parameter is write direct;
Described pattern exhibiting module, comprises graphic plotting, pel location, pel modification, result displaying, animation trend, the early warning of crossing the border.
Described a kind of graph visualization system for electric power system tide and stability analysis, it is characterized in that: the file format of described data importing comprises DAT, SWI, the file format of DXT(PSD-BPA geographical wiring diagram), the destination file form that PFO(PSD-BPA trend is calculated); Described data association module is used for DAT, SWI, DXT, PFO file and system equipment topological structure, graph topology structure connection; Described save data is for being saved to database by system data; The file format that described data derive comprises DXT, JPG, SVG, PDF.
Described a kind of graph visualization system for electric power system tide and stability analysis, is characterized in that: described basic parameter information modification, trend, steadiness parameter information are revised, equipment start-stop state is set all to use and dynamically can be expanded dialog box and enter to realize.
Described a kind of graph visualization system for electric power system tide and stability analysis, is characterized in that: described parameter is write direct file for the parameter that modification is completed write direct DAT, SWI data file.
Described a kind of graph visualization system for electric power system tide and stability analysis, is characterized in that: described pel location comprises searches for location and precise search location generally; Described result displaying comprises according to the layering of equipment electric pressure and showing.
Effect of the present invention and benefit are to realize the data base system management of grid equipment and its mode calculating parameter, the graph visualization system of grid equipment parameter and mode data thereof can be controlled and adjust to foundation, trend and stability analysis are directly carried out in realization in map sheet, change the text data management mode falling behind, improved the make efficiency of electrical network account form.
Accompanying drawing explanation
Fig. 1 is a kind of frame diagram of the graph visualization system for electric power system tide and stability analysis.
Fig. 2 is system data structure schematic diagram.
Fig. 3 is generator model parameter modification schematic diagram.
Fig. 4 is three-winding transformer parameter modification schematic diagram.
Fig. 5 is system operating process.
Embodiment
Below in conjunction with accompanying drawing, the realization of a kind of graph visualization system for electric power system tide and stability analysis of the present invention is described further.
Figure 1 shows that a kind of frame diagram of the graph visualization system for electric power system tide and stability analysis, overview display visualization system is by forming according to processing module, topological analysis module, parameter modification module, pattern exhibiting module and software interface module.Described data processing module is connected with described parameter modification module, described pattern exhibiting module by described topological analysis module, described parameter modification module is connected with described pattern exhibiting module by described topological analysis module, and described software interface module is connected with described data processing module, described pattern exhibiting module;
Figure 2 shows that system data structure schematic diagram.Concrete data type, structure and the incidence relation of showing in visualization system in figure.Data processing module, for obtaining network topology data, obtain manner for importing or importing from data file from database, and the file format of data importing comprises DAT, SWI, DXT, PFO; For associated calculation document and system data, by DAT, SWI, DXT file and system equipment topological structure, graph topology structure connection, PFO is associated with the result of calculation in system equipment topological structure; According to specific data storages rule derived data, the file format that described data derive comprises DXT, JPG, SVG, PDF.
Described topological analysis module, for analyzing topological structure of electric, treatment facility topology information and graph topology information; In this module, the topological structure of electric of take be take BFS algorithm and is judged whether electric network composition comprises isolated island as basic thought as basis;
Parameter modification module, for setting the start-stop state of visualization system equipment, revise the device parameter in visualization system, the modification of basic parameter information, trend, steadiness parameter information are revised, equipment start-stop state is set all to use and dynamically can be expanded dialog box and enter to realize.Figure 3 shows that generator model parameter modification schematic diagram, Figure 4 shows that three-winding transformer parameter modification schematic diagram.Parameter modification module is extracted all card images of an equipment to arrange by data processing module, in the mode of dialog box, represents, and uses dialog box as shown in the figure can revise clear, efficiently device parameter.Parameter is write direct file for the parameter that modification is completed write direct DAT, SWI data file, has avoided revising in text at PSD-BPA the process of parameter.Equipment start-stop state identifies detection of grid topological structure by the isolated island in topological analysis module after setting, if form isolated island, points out isolated island information.
Described software interface module, for trend calculating, stability Calculation, N-1 analysis, little interference analysis, short circuit current, the section Limit Analysis program that PSD-BPA software is provided, be embedded into pattern exhibiting module, it is advantageous that operation as much as possible is integrated in graphics system, improved operating efficiency.
Pattern exhibiting module, for showing topological structure of electric, editing graph object, showing result of calculation information, comprises graphic plotting, pel location, pel modification, result displaying, animation trend, the early warning of crossing the border.
Pel location comprises searches for generally and precise search;
Result displaying comprises two kinds of modes of chart and figure, shows trend convergence number of times, the important informations such as each regional balance machine in form; In figure, acquiescence shows the meritorious idle value of nodename, magnitude of voltage, meritorious reactive power generation, meritorious load or burden without work and circuit, in addition, and self-defined displaying contents and display format as required.Pattern exhibiting comprises that for the circuit in figure, system default color is as follows according to equipment electric pressure layering demonstration:
Electric pressure equals 500KV and with purple, represents above; Electric pressure equals 200KV and 200KV to 500KV represents by pink; Electric pressure equals 110KV and 110KV to 200KV represents by green; Electric pressure equals 33KV and 33KV to 110KV represents with light blue; Electric pressure is less than 33KV and represents with black; Especially, if the corresponding all devices of the circuit in graphics system is shut down condition, use so grey dotted line to represent;
Trend animation, for reacting the transmission of electricity direction of the whole network intuitively, is convenient to grasp and is sent, is subject to electric rule, and SWING framework, the use multithreading function of trend animation based on JAVA realizes.
Cross the border early warning for reminding the equipment that occurs departing from the trend of normal operating condition or departed from normal operating condition.
Fig. 5 is system operating process, and figure visualization system operating process is described in figure, as follows:
Step 1: obtain whole network data in the data file from database or from PSD-BPA, comprise grid equipment data, graph topology data, and draw geographical wiring diagram;
Step 2: set device startup-shutdown state, carry out topology inspection, analyze and whether form isolated island, if generate isolated island prompting isolated island information, reset isolated island; If form isolated island, do not enter step 3;
Step 3: carry out parameter modification, use and dynamically can expand dialog box and revise device parameter, and by amended result write direct DAT, SWI file;
Step 4: trend, stability Calculation, N-1 analysis, little interference analysis, short circuit current, section Limit Analysis, and show result, and if result is dissatisfied, readjust equipment start-stop state, revise device parameter information; If result is satisfied, complete operation.
The above is only optimum execution mode of the present invention, and therefore any modification and retouching on basis of the present invention still belongs to the scope that the present invention is contained.
Claims (7)
1. for a graph visualization system for electric power system tide and stability analysis, it is characterized in that: this graph visualization system comprises data processing module, topological analysis module, parameter modification module, pattern exhibiting module and interface module; Described data processing module is connected with described parameter modification module, described pattern exhibiting module by described topological analysis module, described parameter modification module is connected with described pattern exhibiting module by described topological analysis module, and described interface module is connected with described pattern exhibiting module;
Described data processing module, for obtaining network topology data, associated calculation document and system data, maintain system data, according to specific data storages rule derived data;
Described topological analysis module, for analyzing topological structure of electric, judgement electrical network isolated island;
Described parameter modification module, for setting the start-stop state of visualization system equipment, revises the device parameter in visualization system, and by revised context write direct DAT, SWI file;
Described pattern exhibiting module, for showing topological structure of electric, editing graph object, showing result of calculation information;
Described interface module, docks for the trend calculating, stability Calculation, N-1 analysis, little interference analysis, short circuit current, the section Limit Analysis program that provide with PSD-BPA system;
Described data processing module, comprises that data importing, data correlation, data are preserved, data derive;
Described parameter modification module, the file that comprises that the modification of basic parameter information, trend, steadiness parameter information are revised, equipment start-stop state is set and parameter is write direct;
Described pattern exhibiting module, comprises graphic plotting, pel location, pel modification, result displaying, animation trend, the early warning of crossing the border.
2. a kind of graph visualization system for electric power system tide and stability analysis as claimed in claim 1, is characterized in that: the file format of described data importing comprises DAT, SWI, DXT, PFO; Described data association module is for by the file of data importing and system equipment topological structure, graph topology structure connection; Described save data is for being saved to database by system data; The file format that described data derive comprises DXT, JPG, SVG, PDF.
3. a kind of graph visualization system for electric power system tide and stability analysis as claimed in claim 1 or 2, is characterized in that: described basic parameter information modification, trend, steadiness parameter information are revised, equipment start-stop state is set all to use and dynamically can be expanded dialog box and enter to realize.
4. a kind of graph visualization system for electric power system tide and stability analysis as claimed in claim 1 or 2, is characterized in that: described parameter is write direct file for the parameter that modification is completed write direct DAT, SWI data file.
5. a kind of graph visualization system for electric power system tide and stability analysis as claimed in claim 3, is characterized in that: described parameter is write direct file for the parameter that modification is completed write direct DAT, SWI data file.
5. a kind of graph visualization system for electric power system tide and stability analysis as described in claim 1,2 or 5, is characterized in that: described pel location comprises searches for location and precise search location generally; Described result displaying comprises according to the layering of equipment electric pressure and showing.
6. a kind of graph visualization system for electric power system tide and stability analysis as claimed in claim 3, is characterized in that: described pel location comprises searches for location and precise search location generally; Described result displaying comprises according to the layering of equipment electric pressure and showing.
7. a kind of graph visualization system for electric power system tide and stability analysis as claimed in claim 4, is characterized in that: described pel location comprises searches for location and precise search location generally; Described result displaying comprises according to the layering of equipment electric pressure and showing.
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| CN103970862A (en) * | 2014-05-08 | 2014-08-06 | 国家电网公司 | Automatic generating system and method of power grid operation mode data |
| CN104933513A (en) * | 2015-05-22 | 2015-09-23 | 广西电网有限责任公司电力科学研究院 | PSD (Power System Department) tide data and stable data editing and correction method based on object orientation |
| CN104978178A (en) * | 2014-04-14 | 2015-10-14 | 南京南瑞继保电气有限公司 | Visualization method of relay protection constant value |
| CN105260570A (en) * | 2015-11-09 | 2016-01-20 | 广西电网有限责任公司电力科学研究院 | PSD-BPA flow data element editing and bus switching method |
| CN105550408A (en) * | 2015-08-30 | 2016-05-04 | 大连理工大学 | System for analysis and visualization of flow result under BPA operation mode |
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| CN106293720A (en) * | 2016-08-02 | 2017-01-04 | 大连文森特软件科技有限公司 | A kind of can graphic programming debugging Power System Simulator |
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| CN106408221A (en) * | 2016-11-28 | 2017-02-15 | 南方电网科学研究院有限责任公司 | Power system load flow calculation result visualization method and system |
| CN107146174A (en) * | 2017-06-09 | 2017-09-08 | 成都智建新业建筑设计咨询有限公司 | For instructing household industry effect quickly to design, collocation system |
| CN109327027A (en) * | 2018-11-21 | 2019-02-12 | 广西电网有限责任公司电力科学研究院 | Scissors crossing line fault check method based on PSD-BPA |
| CN111259541A (en) * | 2020-01-15 | 2020-06-09 | 中国电力科学研究院有限公司 | System and method for performing visual analysis on simulation data of large power grid |
| CN112149041A (en) * | 2020-10-20 | 2020-12-29 | 贵州电网有限责任公司 | Fault analysis method based on PSD-BPA data and graphical interaction technology |
| CN112241399A (en) * | 2020-09-30 | 2021-01-19 | 贵州电网有限责任公司电力调度控制中心 | PSD-BPA data analysis and management method and system based on NoSQL |
| CN117691606A (en) * | 2024-02-04 | 2024-03-12 | 安徽长瑞科技有限公司 | AC/DC probability power flow algorithm and execution device of power system |
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