CN105930575B - A kind of PSASP data model translation is the automatic switching method of PSCAD data model - Google Patents
A kind of PSASP data model translation is the automatic switching method of PSCAD data model Download PDFInfo
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Abstract
A kind of PSASP data model translation is the automatic switching method of PSCAD data model, realizes the automatic conversion of PSASP electromechanical transient data and model to PSCAD/EMTDC electrical-magnetic model.The data of PSASP and model are automatically converted to PSCAD model data by method provided by the invention, automatically generate the data file of PSCAD format, avoid the hard work for manually carrying out that modeling is Parameter Switch and typing, reduce modeling mistake, the accuracy that the efficiency and model for improving model generation generate, and then realize the purpose that accurate electromagnetic transient simulation analysis is carried out to extensive AC and DC power system.
Description
Technical field
The present invention relates to power system simulation software field, in particular to a kind of PSASP to PSCAD data and model from
Dynamic conversion method.
Background technique
Digital Simulation is the major way of the planning of electric system, design, operation, control, accident analysis, accurate model
Parameter and calculation method are to realize the premise of electric system precise figures emulation.Current power system digital simulation is mainly organic
Electric transient digital simulation and electromagnetic transient simulation, in China widely used electromechanical transient simulation software mainly have PSASP, BPA,
PSS/E, the electric network data of the maintenance of power generation division management at present are mainly used for the ginseng of Load flow calculation and electromechanical transient analysis
Number lacks the parameter and model for being used for electromagnetic transient simulation.
As the construction and flexible transmission & distribution power technology of UHVDC Transmission Lines are widely used in the electric energy of long range, large capacity
Conveying, operation, analysis and the control of electric system become more complicated, this proposes higher want to power system digital simulation
It asks.The fast, accurately electromagnetic transient simulation software of PSCAD/EMTDC alternating current-direct current hybrid simulation.But at present using PSCAD into
When emulation, electric network data corresponding in PSASP software need to manually be parsed, be built in PSCAD software again corresponding
Electromagnetic transient simulation model calculates the elements such as each component parameters, including generator, transformer, route, load in power grid one by one.
If large-scale power grid, interstitial content is numerous, and bus, transformer, power transmission line, load number are various and connection is complicated,
If carrying out manual switch using artificial, a large amount of manpowers will be expended, and inevitably generates and some recognizes in manual calculations conversion
To calculate error, and transfer efficiency is extremely low.Simultaneously because model difference in PSASP software and the presence of PSCAD software, it cannot be complete
It is corresponding, so that data can not be converted.
Summary of the invention
It is an object of the invention to provide the automatic conversion sides that a kind of PSASP data model translation is PSCAD data model
Method, it proposes kind of an automatic switching method for PSASP to PSCAD data and model, realizes PSASP electromechanical transient data from turn
It is changed to PSCAD electrical-magnetic model, it is established that the approach of the data model translation between two kinds of different simulation softwares improves
Electromagnetic transient simulation modeling efficiency.
It is realized the purpose of the present invention is technical solution in this way, the specific steps are as follows:
1) data of suffix entitled .dbf or .MYD or .dat in PSASP software database are read；
2) data read in step 1) are parsed using C# language, obtains load parameter, the generator number of power grid
According to, transformer parameter, line parameter circuit value, bus parameter, topological parameter and data burst message, to the data of acquisition according to data group into
Row grouping；Component information is subjected to modularization according to substation or power plant for module according to the topological parameter of network；
3) according to emulation demand, data group and retrieval mode are selected on interactive man-machine interface, are converted needed for selecting
Module name conversion regime or bus name conversion regime；On interface according to the quantity of selecting module be arranged PSCAD page-size and
Convert the position of output file；
4) selected module is retrieved, using the datagraphic Visualization Framework based on arbor.js to selected mould
Block carries out visual layout, according to the position of the emulation manual mobile module of demand on human-computer interaction interface, determines each module
Location information and topological connection relation；
5) determining module internal bus, transformer, load, generator, the location information of transmission line of electricity element and topology connect
Relationship is connect, stops coordinate and calculates, obtain current all coordinates；
6) to the bus of the transmission line of intermodule and inside modules, transformer, load, generator, capacitor, inductance element
Parameter carries out equivalent conversion and is written in corresponding electrical-magnetic model.
Further, the data of reading described in step 1) include: substation, power plant, and the element includes bus, hair
Motor and controller, transformer, load, shunt reactor, current-limiting reactor, shunt capacitor, series capacitor, Bei Jielong
AC line, PI molded line, AC line, switch, FACTS, direct current transportation model and flow data.
Further, PSASP in PSCAD cannot corresponding model, including governor, pressure regulator and PSS element completely, adopt
Corresponding model is built with the control element in PSCAD component library or sets up correspondence using FORTRAN programming is customized
Model, formed self-definition model library, then implement corresponding model and Parameter Switch.
Further, when retrieving selected module in step 4), automatically retrieval goes out and the next stage of the module being connected
Module.
Further, in step 4) by topological analysis, using being based on arbor.js visualized data pattern layout frame,
Algorithm is that power is oriented to placement algorithm, the specific steps are as follows:
4-1) the connection relationship between determining module；
Network model in each data group is subjected to network modularization according to affiliated substation and power plant for module, i.e.,
Bus, transformer, generator and load cell are attributed in same module according to its affiliated plant stand relationship；
4-2) realize the layout of module
It is laid out including two layers, the layout of outermost module, the layout of inside modules element；Outer layer layout is using power guiding layout
Method, the location information of determining module, the AC line connected between module is using PI type or Bei Jielong model AC line, man-machine
Interactive interface selects the type of AC line and the coordinate of mobile module；
4-3) realize the layout of element in module
Merge the bus of the same voltage class connected by connecting line, module according to the topological relation of PSASP median generatrix first
Internal bus uses left side highest voltage level bus, is intermediate for time voltage levels bus, and the right is that low-voltage-grade is female
Line 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 fixed female
When line start position, the model on corresponding bus is searched for, successively carrys out to calculate the length of bus automatically；Bus length and position are fixed
Afterwards, the model element on corresponding bus is searched for, realizes its electrical connection with bus.
By adopting the above-described technical solution, the present invention has the advantage that:
1, blank of the PSASP electromechanical transient data to electro-magnetic transient data conversion has been filled up, existing PSASP machine is made full use of
Electric Temporal Data enriches electromagnetic transient in power system model data, improves conversion accuracy and reduces conversion work amount, improves
Model production efficiency and accuracy.
2, customized to establish PSCAD electro-magnetic transient universal model, self-definition model library is formd, PSASP mould is realized
The correspondence and conversion of type, improve the accuracy of electromagnetic transient simulation, enrich electrical-magnetic model.
3, autoplacement, the layout based on power guided modes are carried out using the datagraphic Visualization Framework of arbor.js
Algorithm makes each module and element realize accurate connection, and provides human-computer interaction layout interface, improves the flexible of layout
Property and accuracy.
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 program flow diagram of the invention；
Fig. 2 is the program flow diagram that power is oriented to autoplacement；
Fig. 3 indicates to be laid out using the intermodule of Bei Jielong AC line；
Fig. 4 indicates to be laid out using the intermodule of PI type AC line；
Fig. 5 indicates to be laid out transformation result using the intermodule of Bei Jielong AC line；
Fig. 6 indicates to be laid out transformation result using the intermodule of PI AC line；
Fig. 7 indicates component placement transformation result in the module using Bei Jielong AC line；
Fig. 8 shows component placement transformation results in the module of PI AC line.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the program circuit of the automatic switching method of a kind of PSASP to PSCAD data provided by the invention and model
Figure includes following sequential steps:
Step 1: the data of .dbf or .MYD .dat format in the database of PSASP software are read；
Step 2: above-mentioned data are parsed using C# language, obtain the load parameter, alternator data, change of power grid
The information such as depressor parameter, line parameter circuit value, bus parameter, topological parameter, data group divide above-mentioned data according to data group
Group；It is simultaneously that module carries out modularization according to substation or power plant by component information according to the topology information of network；
Step 3: according to emulation demand, data group and retrieval mode are selected on interactive man-machine interface, is turned needed for selection
The module or bus changed；PSCAD page-size and conversion output text are arranged according to the quantity of selecting module on interface simultaneously
The position of part；
Step 4: retrieving selected module, using the datagraphic Visualization Framework based on arbor.js to selected
The module selected carries out visual layout, can be according to the position of the emulation manual mobile module of demand, really on human-computer interaction interface
The location information and topological connection relation of fixed each module,
Step 5: the coordinate and topology of the elements such as determining module internal bus, transformer, load, generator, transmission line of electricity
Connection relationship stops coordinate and calculates, obtains current all coordinates；
Step 6: bus, transformer, load, generator, capacitor, the inductance of transmission line and inside modules to intermodule
The parameter of equal elements carries out equivalent conversion and is written in corresponding electrical-magnetic model.
The PSASP data read in the step 1 include module described in the PSASP data of .dbf and .MYD .dat format
Including substation, power plant.
The element include bus, generator and its controller, transformer, load, shunt reactor, current-limiting reactor,
Shunt capacitor, series capacitor, Bei Jielong AC line, PI molded line, AC line, switch, FACTS, direct current transportation model, trend
Data etc..
According to emulation demand, the PSASP machine-electricity transient model data automatic conversion is generated into the PSCAD that format is .psc
Model.
For PSASP in PSCAD cannot elements such as corresponding model, such as governor, pressure regulator, PSS completely, use
Control element in PSCAD component library build corresponding model or using FORTRAN programming it is customized set up it is corresponding
Model forms self-definition model library, then implements corresponding model and Parameter Switch.
When retrieving selected module in step 4 again, automatically retrieval goes out and the next stage module of the module being connected.
Fig. 2 is the program flow diagram that power is oriented to autoplacement method, using based on arbor.js visualized data pattern layout
Frame, algorithm are that power is oriented to placement algorithm, are specifically included:
(1) connection relationship between determining module；
Network model in each data group is subjected to network modularization according to affiliated substation and power plant for module, i.e.,
The elements such as bus, transformer, generator, load are attributed in same module according to its affiliated plant stand relationship.
(2) layout of module is realized
Layout process includes two layers of layout, the layout between outermost module, the layout of inside modules element.Outer layer layout uses
Power is oriented to layout method, and the coordinate of determining module, the AC line connected between module is using PI type or Bei Jielong model AC line.
The type of AC line and the coordinate of mobile module can be selected in human-computer interaction interface.Fig. 3 is indicated using Bei Jielong AC line
Intermodule layout, Fig. 4 indicate to be laid out using the intermodule of PI type AC line, and Fig. 5 indicates to use the intermodule of Bei Jielong AC line
It is laid out transformation result, Fig. 6 indicates to be laid out transformation result using the intermodule of PI AC line.
(3) layout of element in module is realized
Merge the bus of the same voltage class connected by connecting line, module according to the topological relation of PSASP median generatrix first
Internal bus uses left side highest voltage level bus, is intermediate for time voltage levels bus, and the right is that ground voltage grade is female
Line 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 fixed female
When line start position, the model on corresponding bus is searched for, successively carrys out to calculate the length of bus automatically.Bus length and position are fixed
Afterwards, the model element on corresponding bus is searched for, realizes its electrical connection with bus.Fig. 7 is indicated using Bei Jielong AC line
Component placement transformation result in module, Fig. 8 shows component placement transformation results in the module of PI AC line.
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. the automatic switching method that a kind of PSASP data model translation is PSCAD data model, which is characterized in that specific steps
It is as follows:
1) data of suffix entitled .dbf or .MYD or .dat in PSASP software database are read；
2) data read in step 1) are parsed using C# language, obtains the load parameter, alternator data, change of power grid
Depressor parameter, line parameter circuit value, bus parameter, topological parameter and data burst message divide the data of acquisition according to data group
Group；Component information is subjected to modularization according to substation or power plant for module according to the topological parameter of network；
3) according to emulation demand, data group and retrieval mode are selected on interactive man-machine interface, the module converted needed for selecting
Name conversion regime or bus name conversion regime；PSCAD page-size and conversion are arranged according to the quantity of selecting module on interface
The position of output file；
4) retrieve selected module, using the datagraphic Visualization Framework based on arbor.js to selected module into
Row visual layout determines the position of each module according to the position of the emulation manual mobile module of demand on human-computer interaction interface
Information and topological connection relation；
5) determining module internal bus, transformer, load, generator, the location information of transmission line of electricity element and Topology connection close
System stops coordinate and calculates, obtains current all coordinates；
6) to the parameter of the bus of the transmission line of intermodule and inside modules, transformer, load, generator, capacitor, inductance element
It carries out equivalent conversion and is written in corresponding electrical-magnetic model.
2. PSASP data model translation as described in claim 1 is the automatic switching method of PSCAD data model, feature
Be, the data of reading described in step 1) include: substation, power plant, the element include bus, generator and its control
Device processed, transformer, load, shunt reactor, current-limiting reactor, shunt capacitor, series capacitor, Bei Jielong AC line, PI
Molded line, AC line, switch, FACTS, direct current transportation model and flow data.
3. PSASP data model translation as described in claim 1 is the automatic switching method of PSCAD data model, feature
Be, PSASP in PSCAD cannot corresponding model completely, including governor, pressure regulator and PSS element, using PSCAD member
Control element in part library builds corresponding model or sets up corresponding model, shape using FORTRAN programming is customized
At self-definition model library, then implement corresponding model and Parameter Switch.
4. PSASP data model translation as described in claim 1 is the automatic switching method of PSCAD data model, feature
It is, when retrieving selected module in step 4), automatically retrieval goes out and the next stage module of the module being connected.
5. PSASP data model translation as described in claim 1 is the automatic switching method of PSCAD data model, feature
It is, by topological analysis in step 4), using arbor.js visualized data pattern layout frame is based on, algorithm is led for power
To placement algorithm, the specific steps are as follows:
4-1) the connection relationship between determining module；
Network model in each data group is subjected to network modularization according to affiliated substation and power plant for module, i.e., it will be female
Line, transformer, generator and load cell are attributed in same module according to its affiliated plant stand relationship；
4-2) realize the layout of module
It is laid out including two layers, the layout of outermost module, the layout of inside modules element；Outer layer layout is oriented to layout side using power
Method, the location information of determining module, the AC line connected between module is using PI type or Bei Jielong model AC line, in man-machine friendship
The type of mutual interface selection AC line and the coordinate of mobile module；
4-3) realize the layout of element in module
Merge the bus of the same voltage class connected by connecting line, inside modules according to the topological relation of PSASP median generatrix first
Bus use left side highest voltage level bus, be intermediate for time voltage levels bus, the right is low-voltage-grade bus, when
When having 4 and the above different voltages grade, low it is arranged successively from left, down, right, the right side according to high, medium and low, secondary；Fixed bus starting point
When position, 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
Rope corresponds to the model element on bus, realizes its electrical connection with bus.
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| CN106329550A (en) * | 2016-09-20 | 2017-01-11 | 国网重庆市电力公司电力科学研究院 | PSS model applicable to PSCAD electromagnetic transient simulation |
| CN106383952A (en) * | 2016-09-20 | 2017-02-08 | 国网重庆市电力公司电力科学研究院 | Electromagnetic transient data management system and electromagnetic transient data conversion method thereof |
| CN106383950A (en) * | 2016-09-20 | 2017-02-08 | 国网重庆市电力公司电力科学研究院 | Method for automatically generating PSCAD electromagnetic transient power generator model |
| CN106126871A (en) * | 2016-09-20 | 2016-11-16 | 国网重庆市电力公司电力科学研究院 | A kind of governor model modeling method of PSCAD electromagnetic transient simulation |
| CN107862103B (en) * | 2017-09-20 | 2021-07-30 | 国家电网公司 | Simulation model generation method and system based on ADPSS |
| CN107679478B (en) * | 2017-09-27 | 2020-04-14 | 广州供电局有限公司 | Method and system for extracting space load state of power transmission line |
| 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 |
| CN107742034B (en) * | 2017-10-25 | 2020-12-08 | 中国电力工程顾问集团西南电力设计院有限公司 | Method for rapidly generating single line diagram according to BPA card |
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