CN105913337B - A kind of PSASP data model translation is the method for RSCAD data model - Google Patents
A kind of PSASP data model translation is the method for RSCAD data model Download PDFInfo
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Abstract
A kind of PSASP data model translation is the method for RSCAD data model, it realizes that PSASP electromechanical transient data are automatically converted to RSCAD electrical-magnetic model, and then realizes the purpose that efficiently and accurately simulation analysis is carried out to extensive AC and DC power system.The hard work for avoiding manually Parameter Switch, data inputting in RSCAD modeling, improves the efficiency and accuracy rate of RTDS real-timedigital simulation；This method is easy to operate, and the network and model converted needed for can flexibly choosing, the result of conversion realize the connection of complex topology structure between element；Autoplacement is carried out using the datagraphic method for visualizing based on power guided modes, layout is avoided bus and be connected directly caused complex topology structure, greatly facilitated subsequent processing using the double-deck layout method.
Description
Technical field
The present invention relates to power system simulation software field, in particular to a kind of PSASP to RSCAD data and model from
Dynamic conversion method.
Background technique
With the development of computer hardware technology and the communication technology, power system digital simulation achieves breakthrough,
Powerful digital simulation software occurs in succession.Simultaneously FACTS controller, DC transmission controller, protective relaying device and
Monitoring safety and stability equipment is widely used in AC-DC interconnecting power network, these control systems will carry out verification experimental verification by real-time simulation
Afterwards, actual electric network operation could be put into.Therefore, the test and detection inevitable requirement real-time simulation of automatic device.RTDS is China
The real-time digital electromagnetic transient simulation system that electrical management and research department use, the system use parallel processing computing system,
Modeling is convenient, is with good expansibility and compatible, can be used for various controls or the experiment of protective relaying device.RTDS is imitative
The model really calculated is mainly completed in the RSCAD of graphic interface.
It is generally carried out under electromechanical transient PSASP, BPA, PSS/E environment in the emulation of China's AC system, all power grids
Data are all with the storage of these three software modes, these data can not be used directly in RTDS.Current RTDS may be used
To be compatible with BPA software data, some scholars have investigated the data conversion between PSS/E and BPA.But in PSASP
Electromechanical transient data can not be directly changed into RTDS calculating model, lack mature conversion plan or method.Common practice
It is to be carried out modeling again manually in RSCAD again after manually parsing according to electromechanical transient data file.For large scale electric network,
Data are lengthy and tedious and topological structure, and manual modeling work amount is big, is easy error, and modeling efficiency is low.
Summary of the invention
It is an object of the invention to provide a kind of methods that PSASP data model translation is RSCAD data model, it is realized
PSASP electromechanical transient data are automatically converted to RSCAD electrical-magnetic model, so realize to extensive AC and DC power system into
The purpose of row efficiently and accurately simulation analysis.
It is realized the purpose of the present invention is technical solution in this way, the specific steps are as follows:
1) the static cell data and dynamic parameter for reading element to be converted in PSASP software obtain the connection letter of element
The parameter information of breath and element；
2) data obtained in step 1) are parsed, is realized according to data group and substation, power plant to element
Layering and network modularization；
3) retrieval mode is selected according to demand, the module and bus that determination need to be converted；
4) autoplacement of selected module, the location information for determining each module and topology are realized even using power guiding layout method
Connect relationship；
5) realize inside modules bus location information, by bus retrieve load, generator, power transmission line position simultaneously
Topological connection relation is constituted by bus；
6) the transmission line file for generating RSCAD, completes conversion.
Further, the file of the static cell data and dynamic parameter of reading described in step 1) is MYSQL format, static
Component data includes regional number, node name, substation, power plant, transformer, bus, generator and its controller, load, simultaneously
Join reactor, current-limiting reactor, shunt capacitor, series capacitor, AC line, the topological connection relation of switch and component ginseng
Number；Dynamic parameter includes the ginseng of the common parameter of generator, governor, pressure regulator, PSS, load, FACTS, direct current transportation model
Array information.
Further, the data of MYSQL format are parsed using C# language in step 2), the same power transformation will be belonged to
It stands or the element in power station carries out modularization, a module, module internal layer are indicated with the frame of different colours in RSCAD and size
Comprising all information of plant stand, the Topology connection between module is that Tline AC line is attached, and generating format is .tlb's
Tline file.
Further, according to actual emulation demand in step 3), data group and retrieval side are selected on interactive man-machine interface
Formula, the module converted needed for determining and bus, and RSCAD page-size is arranged according to the quantity of selecting module on interface and is turned
Change the storage location of output file.
Further, governor not corresponding for model in PSASP and RSCAD, pressure regulator, PSS element, using RRSCAD
Control element in component library builds corresponding model, forms self-definition model library.
Further, power guiding layout method uses the JavaScript based on arbor.js visualized data figure in step 4)
Frame, algorithm are that power is oriented to placement algorithm, are specifically included:
4-1) topological analysis, retrieve next stage module；
After selected retrieval mode and switching network, according to the topology information acquired, automatically retrieval goes out next stage module
With the component data of inside modules；
4-2) realize the layout of outermost module
Layout method includes two layers of layout, the layout of outermost module, the layout of inside modules element；Outer layer layout uses power
It is oriented to layout method, the location information of determining module, the AC line connected between module is using Tline model AC line；
4-3) realize the layout of inner layer element
Module inner layer element uses three-phase element, realizes the arrangement of bus first, and the bus of a voltage class has three-phase
Three altogether, prime minister merges the bus for the same voltage class for having connecting line to connect in PSASP；Bus start position fixed first
When, the model on corresponding bus is searched for, successively carrys out to calculate the length of bus automatically；After bus length and position are fixed, search pair
The model element on bus is answered, realizes its electrical connection with bus.
Further, the RSCAD generated in step 6) transmits line file, and format .TLB finally exports a file,
Tline file comprising multiple .TLB formats and a .dft formatted file.
By adopting the above-described technical solution, the present invention has the advantage that:
(1) hard work for avoiding manually Parameter Switch, data inputting in RSCAD modeling, it is real-time to improve RTDS
The efficiency and accuracy rate of Digital Simulation；
(2) this method is easy to operate, and the network and model converted needed for can flexibly choosing, the result of conversion realize member
The connection of complex topology structure between part；
(3) it uses the datagraphic method for visualizing based on power guided modes and carries out autoplacement, layout is using double-deck
Layout method avoids bus and is connected directly caused complex topology structure, greatly facilitates subsequent processing.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target and other advantages of the invention can be wanted by following specification and right
Book is sought to be achieved and obtained.
Detailed description of the invention
Detailed description of the invention of the invention is as follows.
Fig. 1 is flow diagram of the invention；
Fig. 2 indicates the visual layout being laid out based on power guided modes figure；
Fig. 3 is the autoplacement flow chart based on power guided modes；
Fig. 4 Fig. 4 representation module inner layer element layout result.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
A kind of PSASP data model translation is the method for RSCAD data model, the specific steps are as follows:
Step 1: the static cell data and dynamic parameter of the .MYD format of reading PSASP software, acquisition element topology,
Component parameters information；
Step 2: it is parsed using above-mentioned data of the C# language to MYSQL format, according to data group and substation, hair
Power plant realizes layering and network modularization to component；
Step 3: according to actual emulation demand, data group and retrieval mode are selected on interactive man-machine interface, determines institute
The module or bus that need to be converted；RSCAD page-size is arranged according to the quantity of selecting module on interface simultaneously and is converted defeated
The storage location of file out；
Step 4: using realized based on power guided modes layout method all modules of selected network full page from
Dynamic layout, the location information and topological connection relation for determining each module；
Step 5: it realizes the location information of inside modules bus, load, generator, power transmission line etc. is retrieved by bus
The position of element simultaneously constitutes topological connection relation with bus；
Step 6: generating the transmission line file of RSCAD, and format .TLB finally exports a file, comprising more
The Tline file of a .tlb format and a .dft formatted file.
Main of the PSASP of reading includes two parts: static cell parameter and dynamic parameter file, static cell parameter
Mainly include regional number, node name, substation, power plant, transformer, bus, generator and its controller, transformer, load,
Shunt reactor, current-limiting reactor, shunt capacitor, series capacitor, AC line, AC line, switch, etc. elements topology even
Connect relationship and component parameter；Dynamic parameter file include the common parameter of generator, governor, pressure regulator, PSS, load,
The parameter sets informations such as FACTS, direct current transportation model.
The network modularization, which refers to, carries out modularization for the element for belonging to the same substation or power station, with
Different colours and the frame of size indicate a module in RSCAD, and module internal layer includes all information of the plant stand.Opening up between module
It flutters and is connected as Tline AC line and is attached, generate the Tline file that format is .tlb.
After the selected network for needing to convert of actual emulation demand, automatically retrieval goes out to be connected with the module or bus
Next stage module and bus.As shown in Fig. 2, having selected " G " module, in layout, meeting automatically retrieval goes out and has with " G "
The next stage module of topological relation.
Described based on power guided modes layout method is using the JavaScript based on arbor.js visualized data figure
Frame, algorithm are that power is oriented to placement algorithm, are specifically included:
(1) topological analysis, retrieve next stage module；
After selected retrieval mode and switching network, according to the topology information acquired, automatically retrieval goes out next stage module
With the component data of inside modules, as shown in Fig. 2, having selected " G " module, in layout, meeting automatically retrieval goes out has with " G "
There are the next stage module of topological relation, including the modules such as " A ", " B ", " F ", " D ".
(2) layout of outermost module is realized
Fig. 3 indicates layout method of the present invention, main to be laid out including two layers, the layout of outermost module, in module
The layout of portion's element.Outer layer, which is laid out, uses power guiding layout method, the location information of determining module, the exchange connected between module
Line uses Tline model AC line.There is the connection of Tline AC line in Fig. 2, between module and module, color is different, voltage etc.
Grade is different, and red indicates that voltage class is 500kV, and blue is 200kV.
(3) layout of inner layer element is realized
Module inner layer element uses three-phase element, realizes the arrangement of bus first, and the bus of a voltage class has three-phase
Three altogether, prime minister merges the bus for the same voltage class for having connecting line to connect in PSASP, busbar voltage grade in general station
No more than 3.Bus uses left side highest voltage level bus, is intermediate for time voltage levels bus, and the right is low-voltage etc.
Grade bus low is arranged successively when having 4 and the above different voltages grade according to high, medium and low, secondary from left, down, right, the right side.It is first
When first fixing bus start position, the model on corresponding bus is searched for, successively carrys out to calculate the length of bus automatically.Bus length and
After position is fixed, the model element on corresponding bus is searched for, realizes its electrical connection with bus.Due to the connection between element
It is attached using BUS, BUS cannot intersect in the RSCAD page, therefore carry out interconnection using BUSOVER in infall.
Component placement inside Fig. 4 representation module, left side are 500kV voltage class bus, and the transmission of Tline has been also connected on the bus
Terminal, right side bus are 20kV bus, and bus is connected with generator and load.
The position of components information includes module and element central point coordinate, component orientation information, element number of endpoint and member
Part extreme coordinates.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (5)
1. a kind of method that PSASP data model translation is RSCAD data model, which is characterized in that specific step is as follows:
1) the static cell data and dynamic parameter for reading element to be converted in PSASP software, obtain element link information and
The parameter information of element；
2) data obtained in step 1) are parsed, realizes the layering to element according to data group and substation, power plant
And network modularization；
3) retrieval mode is selected according to demand, the module and bus that determination need to be converted；
4) realize that autoplacement, the location information for determining each module and the Topology connection of selected module close using power guiding layout method
System；
5) realize inside modules bus location information, by bus retrieve load, generator, power transmission line position and pass through
Bus constitutes topological connection relation；
6) the transmission line file for generating RSCAD, completes conversion；
The data of MYSQL format are parsed using C# language in step 2), the same substation or power generation will be belonged to
The element stood carries out modularization, indicates a module with the frame of different colours in RSCAD and size, module internal layer includes plant stand institute
There is information, the Topology connection between module is that Tline AC line is attached, and generates the Tline file that format is .tlb；
Power guiding layout method uses the JavaScript frame based on arbor.js visualized data figure, algorithm in step 4)
It is oriented to placement algorithm for power, is specifically included:
4-1) topological analysis, retrieve next stage module；
After selected retrieval mode and switching network, according to the topology information acquired, automatically retrieval goes out next stage module and mould
Component data inside block；
4-2) realize the layout of outermost module
Layout method includes two layers of layout, the layout of outermost module, the layout of inside modules element；Outer layer layout is oriented to using power
Layout method, the location information of determining module, the AC line connected between module is using Tline model AC line；
4-3) realize the layout of inner layer element
Module inner layer element uses three-phase element, realizes the arrangement of bus first, and the bus of a voltage class has three-phase to have altogether
Three, prime minister merges the bus for the same voltage class for having connecting line to connect in PSASP；When fixing bus start position first,
The model on corresponding bus is searched for, successively carrys out to calculate the length of bus automatically；After bus length and position are fixed, search for corresponding female
Model element on line realizes its electrical connection with bus.
2. the method that PSASP data model translation as described in claim 1 is RSCAD data model, which is characterized in that step
1) file of the static cell data of reading described in and dynamic parameter is MYSQL format, static cell data include regional number,
Node name, substation, power plant, transformer, bus, generator and its controller, load, shunt reactor, current-limiting reactor,
Shunt capacitor, series capacitor, AC line, switch topological connection relation and component parameter；Dynamic parameter includes power generation
The common parameter of machine, governor, pressure regulator, PSS, load, FACTS, direct current transportation model parameter sets information.
3. the method that PSASP data model translation as described in claim 1 is RSCAD data model, which is characterized in that step
3) according to actual emulation demand in, data group and retrieval mode are selected on interactive man-machine interface, the mould converted needed for determining
Block and bus, and RSCAD page-size is arranged according to the quantity of selecting module on interface and converts the bit of storage of output file
It sets.
4. the method that PSASP data model translation as claimed in claim 3 is RSCAD data model, which is characterized in that for
The not corresponding governor of model, pressure regulator, PSS element in PSASP and RSCAD, using the control element in RRSCAD component library
Corresponding model is built, self-definition model library is formed.
5. the method that PSASP data model translation as described in claim 1 is RSCAD data model, which is characterized in that step
6) RSCAD generated in transmits line file, and format .TLB finally exports a file, includes multiple .TLB formats
Tline file and a .dft formatted file.
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| CN108170871B (en) * | 2016-12-07 | 2023-08-18 | 中国电力科学研究院 | Element browsing method and graphic layout method for electromagnetic transient topology data |
| CN106370942A (en) * | 2016-12-07 | 2017-02-01 | 国家电网公司 | Vector detection device and method for bus merging unit replacement of intelligent transformer station |
| CN107664954B (en) * | 2017-10-16 | 2021-02-09 | 国网四川省电力公司电力科学研究院 | Automatic generation method of electromagnetic transient visual simulation model of power system |
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| CN101866383B (en) * | 2010-06-10 | 2012-07-25 | 上海电力学院 | Electromechanical/electromagnetic transient state simulation data conversion system of power system and design method thereof |
| CN102999668B (en) * | 2012-11-27 | 2014-04-23 | 中国电力科学研究院 | Method for automatically converting electromagnetic transient data from electromechanical transient data |
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