CN103455554A - Intelligent power distribution network model base system - Google Patents
Intelligent power distribution network model base system Download PDFInfo
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Abstract
The invention relates to systems in the technical field of power system simulation and modeling, in particular to an intelligent power distribution network model base system which comprises a system main function module, a model base, a parameter base, a database and interfaces. The system main function module is responsible for overall scheduling control, input and output, model calculation and analysis and interaction with users of the system and providing operating interfaces for other modules, the model base and the parameter base are responsible for management, scheduling and implementation of models and management and correction of parameters, the database is responsible for organization and storage of data needed by the system and relationship maintaining, and the interfaces are responsible for enabling all modules to be connected through access interfaces to complete data interaction and function scheduling. By developing the intelligent power distribution network model base system, a basic support is provided for strong and intelligent power distribution network simulation calculation and operation control, power distribution network simulation calculation model development workload is reduced, and important contribution is made to standardization and normalization of power distribution network models.
Description
Technical field
The present invention relates to the system in electric system simulation and modeling technique field, be specifically related to a kind of intelligent distribution network model-base management system.
Background technology
The end of power distribution network in electric system, direct user oriented, controller switching equipment is of a great variety, and modeling method is various, and through the development of decades, different research institutions have accumulated different electricity distribution network models and algorithm separately.For concrete equipment/element, adopt which kind of model there is no certain standard, but more definite by constantly attempting actually, and modeling method more complicated often.Current, software systems have realized whole world user's generally application, can perfection realize the needed various functions of people by modern software engineering method and good practical experience rule, but aspect, electricity distribution network model storehouse do not have ripe commercialization functional module.
Model is the description to certain form of reality system related structure information and behavior, and it is the abstract of which interesting characteristic in real object and true relation and simplifies.Modeling of Distribution Network is the simplified characterization to power distribution network essence.Intelligent distribution network itself is a complication system, and it is mainly reflected in two aspects of quantitative and qualitative analysis with the difference of general single system.From qualitative, the characteristics such as non-linear, uncertain, strong undulatory property and perturbation that intelligent distribution network has; From quantitatively, there is high order, multidimensional number, multiloop, many inputs, export and the characteristics such as level more.For above characteristics, how intelligent distribution network is set up to rational model and carry out effectively analyzing safe, reliable, the high-quality to guarantee system, efficient operation becomes the hot issue that people pay close attention to gradually.Whether the foundation of intelligent power distribution pessimistic concurrency control is proper, by directly emulation experiment on this basis of impact and accuracy, the reliability of systematic analysis.
Summary of the invention
For the deficiencies in the prior art, the purpose of this invention is to provide a kind of intelligent distribution network model-base management system, the present invention is on the basis of further investigation intelligent distribution network Modeling Theory and method, each model that power distribution network is related to carries out combing and integrated, set up comprehensive, specialized, an extendible electricity distribution network model storehouse, make the staff select optimum model from model bank according to the demand of oneself, will greatly improve the efficiency and precision of simulation calculation.
The objective of the invention is to adopt following technical proposals to realize:
The invention provides a kind of intelligent distribution network model-base management system, its improvements are, described system comprises:
(1) system body functional module: be responsible for the scheduling controlling, input and output, model computational analysis of overall system, mutual with the user, and provide operation interface for other modules;
(2) model bank and parameter library: be responsible for management, scheduling and the enforcement of model, and the management of parameter and correction;
(3) database: be responsible for the maintenance of tissue, storage and the relation of system desired data;
(4) interface: connect by access interface between each module, complete data interaction and funcall.
Preferably, described model bank comprises device model submodel storehouse, load model submodel storehouse, nodal analysis method submodel storehouse, distributed electrical source model submodel storehouse, instance model submodel storehouse and typical wiring mode model submodel storehouse;
Described device model submodel storehouse comprises power-supply unit model, consumer model, switch model and self-defining device model;
Described load model submodel storehouse comprises constant power load model model, constant-impedance load model, constant current load model, polynomial expression load model and self-defined load model;
Described nodal analysis method submodel storehouse comprises looped network node model, Switching Station nodal analysis method, distribution box nodal analysis method, user node model, distribution nodal analysis method and User-defined Node model;
Described distributed electrical source model submodel storehouse comprises wind generator system model, photovoltaic system model, miniature gas turbine system model, electric automobile model and self-defined distributed electrical source model;
Described instance model submodel storehouse comprises IEEE33 nodal analysis method, IEEE34 nodal analysis method, IEEE36 nodal analysis method and self-defined instance model;
Described typical wiring mode submodel storehouse comprises single radiation connection mode, hand in hand connection mode, dual power supply connection mode, connection of ring power network model and self-defined connection mode.
More preferably, described model bank comprises functional module, for model modification editor, model, increases editor, model modeling, model debugging and check and system management;
Described functional module comprises:
The model modification editing machine: for primary element model (such as models such as resistance, inductance, capacitor, ground connection) and each submodel storehouse common equipment and component models (such as overhead transmission line model, model for cable line, single phase distribution transformer model, Three-Phase Distribution Transformers model etc.) are provided, the user revises and edits required model by the model modification editing machine;
Model increases editing machine: for increasing new equipment and component models; The user increases editing machine by model and builds required model, and the model of building is encapsulated;
The model material database: for the theoretical method of Modeling of Distribution Network is provided, the inquiry of user model material database, the modeling method of adding, editing, deleting model;
Model debugging and inspection module: for checking established model whether correct, improve institute's established model; The user selects the power distribution network service data to carry out verification by model debugging and inspection module;
System management module: for the scheduling controlling of being responsible for overall system, input and output, model computational analysis and mutual with the user.
Preferably, described system body functional module comprises:
A, dispatching control module: for exchanges data and the function scheduling of each intermodule of overall coordination model-base management system;
B, data management module: comprise basic data management module, historical data database management module and real time database management module;
C, model maintenance module: system is the modification to interpolation, deletion, editor and the models show figure of model by the model maintenance module; (the model maintenance module has two editing machines, and model modification editing machine and model increase editing machine; It is the implementation of model maintenance module that model modification editing machine and model increase editing machine.）
D, simulation algorithm model: the result of calculation of model is made to expression directly perceived, cartography export, statistical graph and form;
E, results analyses module:
1) model management: by the model bank access interface, the scheduling model management function;
2) Model Selection: by the model bank access interface, select suitable model to be processed;
3) parameter is selected: according to different model classifications, select different parameters;
4) model calculation:
Load basic data and supplemental characteristic by database access interface;
Call corresponding model by the model bank access interface;
Complete model calculation;
5) operation result is processed:
Submit to the cartography export module of simulation algorithm model, carry out Visualization and thematic charting;
Submit to data management module, store historical data base into;
6) parameter correction: according to operation result, the correction model parameter, recalculate.
More preferably, described basic data management module is used for fundamentals of management data: by database access interface administrative model basic database, comprise IEEE typical examples data and typical wiring mode data;
The historical data database management module is for managing historical data: model analysis result of calculation is saved in to historical data base;
The real time data administration module is for managing real time data: the power information acquisition system data that will read in real time are saved in real-time data base.
Preferably, described model bank and parameter library design are as follows:
Model bank and parameter library are designed to relatively independent module, and model bank and parameter library are integrated by model bank access interface and system body functional module.
Preferably, described database comprises basic database, historical data base and real-time data base;
System database designing is as follows: all data of data base management system (DBMS) operation and model analysis, and, by database access interface connected system main functionality module, realize exchanges data and funcall.
Preferably, described interface comprises model bank access interface and database access interface;
Described model bank access interface comprises application interface and Man Machine Interface; Described model bank and parameter library are all undertaken integrated by application interface and Man Machine Interface and system body functional module;
Described basic database, historical data base and real-time data base are connected with the system body functional module by database access interface respectively.
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, the further investigation based on to intelligent distribution network Modeling Theory and method, the invention provides a kind of intelligent distribution network model-base management system, is used for managing concentratedly each model and parameter thereof.The intelligent distribution network model bank is comprised of six class submodel storehouses such as device model submodel storehouse, load model submodel storehouse, nodal analysis method submodel storehouse, distributed electrical source model submodel storehouse, typical examples model submodel storehouse and typical wiring mode model submodel storehouses, realization to the scheduling controlling of each model, input and output, model computational analysis, with user's the function such as mutual, and provide operation interface for other modules.This model bank both can be used as independently model bank and had used, and also can be called by other softwares (such as emulation platform).The exploitation of intelligent distribution network model-base management system, for strong intelligent distribution network simulation calculation, operation control provide shoring of foundation, reduce power distribution network Simulation Calculation development amount, again standardization and the standardization of electricity distribution network model made to significant contribution simultaneously.
2, the present invention has comprehensive, specialization and extensibility characteristics, avoided the overlapping development of model in power distribution network simulation calculation process, reduce system, the complexity administered and maintained and difficulty, reduced the modeling workload, significantly reduced software development cost and cycle.
3, the present invention provides optimization model for power distribution network operation, management, researchist, and range of application is comparatively extensive, for power distribution network emulation, analysis, calculating provide effective approach.
4, the present invention possesses good man machine operation interface, and possesses the Database Systems of the characterisitic parameter data characteristics of record and query facility, and this database is convenient to safeguard.
5, the present invention considers power distribution network standard example data, historical data, real time data, and the reliability of the adjustment model is high, accuracy is high.
6, the Database Systems that possess the characterisitic parameter data characteristics of record and query facility, this database is convenient to safeguard.
The accompanying drawing explanation
Fig. 1 is intelligent distribution network model bank overall construction drawing provided by the invention;
Fig. 2 is that submodel provided by the invention storehouse forms structural drawing;
Fig. 3 is intelligent distribution network model-base management system structural drawing provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The problems such as many for the version related in the processes such as Modeling of Distribution Network, emulation, computational analysis, that modeling method is many, parameter is many, the invention provides a kind of intelligent distribution network model-base management system, is used for managing concentratedly each class model.This model bank both can be used as independently model bank and had used, and also can be called by other softwares (such as emulation platform).
As shown in Figure 3, described system comprises intelligent distribution network model-base management system structural drawing provided by the invention:
(1) system body functional module: mainly be responsible for the scheduling controlling, input and output, model computational analysis of overall system, mutual etc. with the user, and provide operation interface for other modules.Specifically comprise:
A, scheduling controlling administration module:
B, data management module: data management module comprises basic data management module, historical data database management module and real time database management module.
The basic data management module is used for fundamentals of management data: by database access interface administrative model basic database, comprise IEEE typical examples data, typical wiring mode data etc.
The historical data database management module is for managing historical data: model analysis result of calculation is saved in to historical data base.
The real time data administration module is for managing real time data: the power information acquisition system data that will read in real time are saved in real-time data base.
C, model maintenance module: the modification of system support to interpolation, deletion, editor and the models show figure of model.
Dc, simulation algorithm model: system provides abundant model tormulation form, and the result of calculation of model is made to expression directly perceived; Cartography export; Statistical graph; Form etc.
E, results analyses module:
1) model management: by the model bank access interface, the scheduling model management function.
2) Model Selection: by the model bank access interface, select suitable model to be processed.
3) parameter is selected: according to different model classifications, select different parameters.
4) model calculation:
Load basic data and supplemental characteristic by database access interface;
Call corresponding model by the model bank access interface;
Complete model calculation;
5) operation result is processed
Submit to the cartography export module, carry out Visualization and thematic charting;
Submit to data management module, store historical data base into;
6) parameter correction: according to operation result, the correction model parameter, recalculate.
(2) model bank and parameter library: be responsible for management, scheduling, the enforcement of model, and the management of parameter and correction etc.
The intelligent distribution network model bank is comprised of six class submodel storehouses such as device model submodel storehouse, load model submodel storehouse, nodal analysis method submodel storehouse, distributed electrical source model submodel storehouse, typical examples model submodel storehouse and typical wiring mode model submodel storehouses, realization to the scheduling controlling of each model, input and output, model computational analysis, with user's the function such as mutual, and provide operation interface for other modules.
As shown in Figure 1, each submodel storehouse forms as shown in Figure 2 the model bank general frame.
Device model submodel storehouse comprises power-supply unit model, consumer model, switch model and self-defining device model;
Load model submodel storehouse comprises constant power load model model, constant-impedance load model, constant current load model, polynomial expression load model and self-defined load model;
Nodal analysis method submodel storehouse comprises looped network node model, Switching Station nodal analysis method, distribution box nodal analysis method, user node model, distribution nodal analysis method and User-defined Node model;
Distributed electrical source model submodel storehouse comprises wind generator system model, photovoltaic system model, miniature gas turbine system model, electric automobile model and self-defined distributed electrical source model;
Typical examples model submodel storehouse comprises IEEE33 nodal analysis method, IEEE34 nodal analysis method, IEEE36 nodal analysis method and self-defined instance model;
Typical wiring mode submodel storehouse comprises single radiation connection mode, hand in hand connection mode, dual power supply connection mode, connection of ring power network model and self-defined connection mode
Described model bank comprises functional module, for model modification editor, model, increases editor, model modeling, model debugging and check and system management;
Described functional module comprises:
Model modification editing machine: common equipment/component models in primary element model (such as models such as resistance, inductance, capacitor, ground connection) and each submodel storehouse (such as overhead transmission line model, model for cable line, single phase distribution transformer model, Three-Phase Distribution Transformers model etc.) is provided, the user can add required model to drawing window by modes such as double-clicking or pull, and parameter that can the edit-modify model.
Model increases editing machine: for increasing new equipment/component models.The user can choose required primary element item from the model modification editing machine according to individual demand, build required model.Also can adopt the mode of coding, by input parameter, the result of calculation of direct output model.Model buildings is complete, can be encapsulated built model, while needing to use, directly calls.
The model material database: theory and the method for Modeling of Distribution Network are provided, and the user can be according to own needs, inquiry, the modeling method of adding, editing, deleting model.
Model debugging and inspection module: for checking established model whether correct, improve institute's established model.Module memory contains a large amount of power distribution network service datas, and the user can select data to carry out verification as required.
System management module: for the scheduling controlling of being responsible for overall system, input and output, model computational analysis, mutual etc. with the user.
Model bank and parameter library design are as follows:
Model bank and parameter library are relatively independent module, and model wherein provides with card format, and model bank and parameter library are integrated by model bank access interface and main system.
(3) database: the maintenance of the tissue of the various data that responsible system is required, storage, relation:
Database comprises basic database, historical data base and real-time data base; System database designing is as follows:
All data that the operation of system data base management system and model analysis need, and connect main system by database access interface, realize exchanges data and funcall.
(4) interface: connect by corresponding access interface between modules, complete data interaction and funcall, comprise model bank access interface and database access interface.
The model bank access interface comprises application interface and Man Machine Interface; Described model bank and parameter library are all undertaken integrated by application interface and Man Machine Interface and system body functional module; Model bank developer, model bank keeper and power distribution network simulation calculation developer manage model bank by Man Machine Interface; Carry out the study research of model, the Selection and call of model and the test correction of model by application interface.
Basic database, historical data base and real-time data base are connected with the system body functional module by database access interface respectively.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. an intelligent distribution network model-base management system, is characterized in that, described system comprises:
(1) system body functional module: be responsible for the scheduling controlling, input and output, model computational analysis of overall system, mutual with the user, and provide operation interface for other modules;
(2) model bank and parameter library: be responsible for management, scheduling and the enforcement of model, and the management of parameter and correction;
(3) database: be responsible for the maintenance of tissue, storage and the relation of system desired data;
(4) interface: connect by access interface between each module, complete data interaction and funcall.
2. intelligent distribution network model-base management system as claimed in claim 1, it is characterized in that, described model bank comprises device model submodel storehouse, load model submodel storehouse, nodal analysis method submodel storehouse, distributed electrical source model submodel storehouse, instance model submodel storehouse and typical wiring mode model submodel storehouse;
Described device model submodel storehouse comprises power-supply unit model, consumer model, switch model and self-defining device model;
Described load model submodel storehouse comprises constant power load model model, constant-impedance load model, constant current load model, polynomial expression load model and self-defined load model;
Described nodal analysis method submodel storehouse comprises looped network node model, Switching Station nodal analysis method, distribution box nodal analysis method, user node model, distribution nodal analysis method and User-defined Node model;
Described distributed electrical source model submodel storehouse comprises wind generator system model, photovoltaic system model, miniature gas turbine system model, electric automobile model and self-defined distributed electrical source model;
Described instance model submodel storehouse comprises IEEE33 nodal analysis method, IEEE34 nodal analysis method, IEEE36 nodal analysis method and self-defined instance model;
Described typical wiring mode submodel storehouse comprises single radiation connection mode, hand in hand connection mode, dual power supply connection mode, connection of ring power network model and self-defined connection mode.
3. intelligent distribution network model-base management system as described in claim 2, is characterized in that, described model bank comprises functional module, for model modification editor, model, increases editor, model modeling, model debugging and check and system management;
Described functional module comprises:
The model modification editing machine: for primary element model and each submodel storehouse common equipment and component models are provided, the user revises and edits required model by the model modification editing machine;
Model increases editing machine: for increasing new equipment and component models; The user increases editing machine by model and builds required model, and the model of building is encapsulated;
The model material database: for the theoretical method of Modeling of Distribution Network is provided, the inquiry of user model material database, the modeling method of adding, editing, deleting model;
Model debugging and inspection module: for checking established model whether correct, improve institute's established model; The user selects the power distribution network service data to carry out verification by model debugging and inspection module;
System management module: for the scheduling controlling of being responsible for overall system, input and output, model computational analysis and mutual with the user.
4. intelligent distribution network model-base management system as claimed in claim 1, is characterized in that, described system body functional module comprises:
A, dispatching control module: for exchanges data and the function scheduling of each intermodule of overall coordination model-base management system;
B, data management module: comprise basic data management module, historical data database management module and real time database management module;
C, model maintenance module: system is the modification to interpolation, deletion, editor and the models show figure of model by the model maintenance module;
D, simulation algorithm model: the result of calculation of model is made to expression directly perceived, cartography export, statistical graph and form;
E, results analyses module:
1) model management: by the model bank access interface, the scheduling model management function;
2) Model Selection: by the model bank access interface, select suitable model to be processed;
3) parameter is selected: according to different model classifications, select different parameters;
4) model calculation:
Load basic data and supplemental characteristic by database access interface;
Call corresponding model by the model bank access interface;
Complete model calculation;
5) operation result is processed:
Submit to the cartography export module of simulation algorithm model, carry out Visualization and thematic charting;
Submit to data management module, store historical data base into;
6) parameter correction: according to operation result, the correction model parameter, recalculate.
5. intelligent distribution network model-base management system as claimed in claim 4, it is characterized in that, described basic data management module is used for fundamentals of management data: by database access interface administrative model basic database, comprise IEEE typical examples data and typical wiring mode data;
The historical data database management module is for managing historical data: model analysis result of calculation is saved in to historical data base;
The real time data administration module is for managing real time data: the power information acquisition system data that will read in real time are saved in real-time data base.
6. intelligent distribution network model-base management system as claimed in claim 1, is characterized in that, described model bank and parameter library design are as follows:
Model bank and parameter library are designed to relatively independent module, and model bank and parameter library are integrated by model bank access interface and system body functional module.
7. intelligent distribution network model-base management system as claimed in claim 1, is characterized in that, described database comprises basic database, historical data base and real-time data base;
System database designing is as follows: all data of data base management system (DBMS) operation and model analysis, and, by database access interface connected system main functionality module, realize exchanges data and funcall.
8. intelligent distribution network model-base management system as claimed in claim 1, is characterized in that, described interface comprises model bank access interface and database access interface;
Described model bank access interface comprises application interface and Man Machine Interface; Described model bank and parameter library are all undertaken integrated by application interface and Man Machine Interface and system body functional module;
Described basic database, historical data base and real-time data base are connected with the system body functional module by database access interface respectively.
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| CN111274303B (en) * | 2020-02-11 | 2023-09-08 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Real-time data modification interface method based on intelligent power grid dispatching technology system |
| CN111539049A (en) * | 2020-05-15 | 2020-08-14 | 中国电子科技集团公司第十四研究所 | Intelligent assembling system and method for electronic equipment |
| CN111539049B (en) * | 2020-05-15 | 2024-02-09 | 中国电子科技集团公司第十四研究所 | Intelligent assembly system and method for electronic equipment |
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