CN108390373A - A kind of closed loop network turn power supply aid decision-making system - Google Patents
A kind of closed loop network turn power supply aid decision-making system Download PDFInfo
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- H02J3/005—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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Abstract
The application provides a kind of closed loop network turn power supply aid decision-making system, including server and several clients；Server includes Data Analysis Services module, power grid real-time model generation module, net structure configuration module, power grid off-line model structure module, database module and Load flow calculation module.The Load flow calculation module is used to carry out Load flow calculation to the whole network, or carries out the Load flow calculation in each region respectively to partial electric grid, is aggregated into the whole network, obtains power flowcontrol condition and the suggestion of cyclization or the suggestion of tide optimization of cyclization.Call the real-time flow data of power grid to carry out Load flow calculation, can actual response power grid operating condition, improve the accuracy of Load flow calculation.The whole network and partial electric grid layering, partial electric grid are subjected to subregion, Load flow calculation is carried out by way of layering, subregion, calculating is made more to refine, as a result more precisely, phenomena such as avoiding mistuning, accidentally controlling helps to improve reliability and safety that closed loop network turns power supply.
Description
Technical field
The present invention relates to technical field of power systems more particularly to a kind of closed loop network to turn power supply aid decision-making system.
Background technology
Power distribution network is by overhead transmission line, cable, shaft tower, distribution transformer, disconnecting switch, reactive power compensator and some are attached
Belong to the compositions such as facility, the network of important distribution electric energy effect is played in power network.Cyclization, which turns power supply, is opened by being closed contact
It closes, the two or more pieces distribution line of same voltage class is converted to the operation of cyclic wire connection from radial wiring, can be subtracted
The amount when power failure that few interruption maintenance is brought, improves the effective means of power supply reliability.
In Loop Closing Operation, it is necessary to assure cyclization point both sides phase is identical, and voltage difference, phase angle should meet regulation.It should be true
It protects in cyclization network, power flow changing is no more than the limitation of the stabilization of power grids, place capacity etc., therefore in Loop Closing Operation, answers
The variation for considering trend when cyclization, to provide rationally reliable cyclization suggestion.Power flow changing can be according to the fortune side of upper level network
Situation and network parameter participate in low-pressure side bus pressure difference, original flow situations and operating experience of cyclization etc. to estimate.At present
Closed loop network turns in power supply process, and work about electric power personnel are often according to power flowcontrol, electric power in the ring in automated system
The data such as control, spatial load forecasting of dispatching from the factory carry out Load flow calculation, and combine the judgement of experience progress cyclization.However, it is calculated
For data greatly mostly from the historical data of automated system, checkout result cannot really reflect current electric grid operating condition, error
It is larger, and there are some undesirable data.In addition it is also higher manually to calculate error rate.Once cyclization error is likely to result in power failure
And the problems such as electric utility damage.
Based on above it is found that current closed loop network, which turns calculation of tidal current in power supply, cannot really reflect current electric grid
Operating condition, cyclization turn power supply accuracy cannot meet the needs of management and running, exist accidentally arrange the method for operation, mistuning,
The accidentally hidden danger such as control, reduce power distribution network reliability of operation and safety.
Invention content
This application provides a kind of closed loop networks to turn power supply aid decision-making system, turns to supply to solve existing closed loop network
Electric accuracy is unable to meet demand, there are mistuning, accidentally arranges the hidden danger such as the method for operation, reduces asking for power distribution network operational reliability
Topic.
A kind of closed loop network turn power supply aid decision-making system, including server and several clients；
The server includes Data Analysis Services module, power grid real-time model generation module, net structure configuration module,
Power grid off-line model builds module, database module and Load flow calculation module；
The Data Analysis Services module for obtaining grid equipment parameter, and optimizes the device parameter and builds
Mould forms online Dynamic model bank, and the real-time calling electric network swim data from Automation System of Power Network, is integrally formed
Power grid Real-time Power Flow data；
The power grid real-time model generation module, for calling the power grid Real-time Power Flow data, by itself and the network
It constructs configuration module data and generates power grid real-time model；
The net structure configuration module turns power supply calculation model for passing through visualization electrical network assembly formation cyclization；
The power grid off-line model builds module, the parameter for calling the online Dynamic model bank, structure power grid from
Line model；
The Load flow calculation module carries out Load flow calculation, or to part for calling the power grid real-time model to the whole network
Power grid carries out the Load flow calculation in each region respectively, is aggregated into the whole network, and condition and the cyclization of closed loop power flow control are obtained
Suggestion or obtain the suggestion of tide optimization；And the power grid off-line model is called, Load flow calculation is carried out to the whole network, or play a game
Portion's power grid carries out the Load flow calculation in each region respectively, is aggregated into the whole network, and the suggestion of looped network planning is obtained；
Database module, for storing the online dynamic model data, the power grid Real-time Power Flow data, the power grid
The result of real-time model data, the power grid off-line model data and the Load flow calculation.
Optionally, the database module includes database management module, for being carried out to the data in the database
Management；
The database management module includes historical data database management module and real time database management module；
The historical data database management module, for carrying out storage management to historical load, history power plant manufacture information；
The real time database management module, for flow data, the metering automation to current scheduling automated system
The load data of system, the plant information of small power station's system carry out storage management.
Optionally, the system also includes interface display modules, for the result of the Load flow calculation to be used report, figure
Show or the mode of its synthesis is shown.
Optionally, the system also includes data check modules, are checked for the result to the Load flow calculation.
Optionally, the system also includes remote access module, the remote access for realizing client to server.
Optionally, the electric network swim data include SCADA formatted datas；The grid equipment parameter include PSASP,
BPA formatted datas.
A kind of closed loop network turn power supply aid decision-making method, including：
According to cyclization computations, grid equipment parameter is obtained, and modeling is optimized to the device parameter and is formed in
Line Dynamic model bank；The real-time calling electric network swim data from Automation System of Power Network, are integrally formed power grid Real-time Power Flow
Data；
The power grid Real-time Power Flow data are called, itself and net structure configuration module data are generated into power grid real-time model；
The power grid real-time model is called, Load flow calculation is carried out to the whole network, or carry out respectively in each region to partial electric grid
Load flow calculation, be aggregated into the whole network, obtain closed loop power flow control condition and cyclization suggestion；
When the suggestion of cyclization is that cannot carry out cyclization, the power grid real-time model is called again, and trend is carried out to the whole network
It calculates, or carries out the Load flow calculation in each region respectively to partial electric grid, be aggregated into the whole network, obtain building for tide optimization
View；
When cannot still meet the condition of closed loop power flow control after the suggestion of the tide optimization deviates reality, or optimization,
The parameter of the online Dynamic model bank is called, power grid off-line model is built；The power grid off-line model is called, the whole network is carried out
Load flow calculation, or carry out the Load flow calculation in each region respectively to partial electric grid, it is aggregated into the whole network, obtains looped network planning
Suggestion；
By online dynamic model data, the power grid Real-time Power Flow data, the power grid real-time model data, described
Power grid off-line model data and the result of the Load flow calculation are stored in database module, access and use for client.
Optionally, the method further includes being checked to the result of the Load flow calculation.
Optionally, the access with use of the client include the mode of remote access.
Technical solution provided by the present application includes following advantageous effects：
This application provides a kind of closed loop networks to turn power supply aid decision-making system, calls the real-time flow data of power grid simultaneously
After being integrated to it, power grid real-time model is formed in conjunction with net structure configuration data, and then carry out Load flow calculation, obtain cyclization
Power flowcontrol condition, the suggestion of cyclization or the suggestion of tide optimization, the data of real-time calling can really react the fortune of power grid
Market condition improves the accuracy of Load flow calculation.Modeling is optimized to grid equipment parameter, establish power grid off-line model into
Row Load flow calculation obtains the suggestion of looped network planning, integration is optimized to the data of calling, improves the accuracy of data,
The efficiency for being conducive to improve the accuracy and calculating of the offline Load flow calculation of powernet, the mistuning for avoiding cyclization, accidentally control etc.
Problem.In addition by the whole network and partial electric grid layering, partial electric grid carry out subregion, respectively expansion layering, subregion Load flow calculation, needle
To a certain looped network section, can meet closed loop power flow adjust and cyclization after equipment nonoverload and meet the whole network trend and be no more than
Equipment service ability, makes Load flow calculation more refine, and improves the accuracy of calculating, helps to improve closed loop network
Turn reliability and the safety of power supply.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram that a kind of closed loop network provided by the embodiments of the present application turns power supply aid decision-making system；
Fig. 2 is the flow chart that a kind of closed loop network provided by the embodiments of the present application turns power supply aid decision-making method.
Specific implementation mode
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, other drawings may also be obtained based on these drawings.
Attached drawing 1 is please referred to, the figure shows a kind of closed loop network turn power supply aid decision-making systems provided in this embodiment
Schematic diagram.
The application provides a kind of closed loop network turn power supply aid decision-making system, including server and several clients.
Server is connect with client communication.Server, which is used to be instructed according to cyclization, carries out closed loop power flow calculating, and client can send out number
It is investigated that the instructions such as inquiry, calculating, modification, can also access to server by way of remote access.
To ensure the function of program and Data expansion upgrading, using B/S structures, server is adjusted with being arranged in, and each county's tune exists
Client is installed on microcomputer.Ground each county's tune of reconciliation shares a sets of data, and the cyclization for carrying out the whole network or each regional network turns power supply calculation.
In the present embodiment, the data communication between client and server provides TCP/IP network communications association by server
View, terminal can obtain data by webservice soap1.1 standard access servers.Client can also pass through http1.1
Standard, which accesses to server, downloads the structural map of the formats such as spg, xml, generates cyclization and turns to make required for power supply Load flow calculation
Electric network model.
The client that the embodiment of the present application uses is WebService communication standard clients, using Web (HTTP) mode,
The request with response external system is received, to realize the function of far call.A large amount of Load flow calculations need to be carried out in server, greatly
In the case that amount user accesses computing resource jointly, client can form Load flow calculation service role, carry out calculating task registration
And queuing, server meet situation according to the service condition of its computing resource and calculating task, client are arranged to carry out trend
It calculates.The phenomenon that computing resource competition can effectively be reduced, shorten the stand-by period of client, improve the response of system, puts down
Weigh computational load.In addition, client can carry out version checking when Web starts automatically, if inconsistent with server version,
Automatic client plug-in of downloading is updated, and ensures the unification of version to the full extent, in version function upgrading or increased feelings
Under condition, new function can be also obtained in the shortest time.
Server includes Data Analysis Services module, power grid real-time model generation module, net structure configuration module, power grid
Off-line model builds module, database module and Load flow calculation module.
The Data Analysis Services module for obtaining grid equipment parameter, and optimizes modeling to device parameter and is formed
Online Dynamic model bank, and the real-time calling electric network swim data from Automation System of Power Network are integrally formed power grid reality
When flow data.
The Data Analysis Services module from scheduling system locality county's electric network composition, transformer, generating set, circuit and
The device parameter of the grid equipments parameter such as reactive power compensator, acquisition is QS files, is formed by parameter identification and state estimation
High-quality network parameter, and power distribution network depth optimization modeling is carried out, form unified online Dynamic model bank.Data analysis module is also
For the real-time calling electric network swim data from dispatch automated system, including active and reactive, electric current, voltage, breaker, every
Off status is left, data are carried out on ground tune server and are integrally formed unified the whole network Real-time Power Flow data.
Power grid real-time model generation module, for calling power grid Real-time Power Flow data, by itself and net structure configuration module
Data generate power grid real-time model.
An input terminal part for the power grid real-time model generation module is connect with data analysis module, another part and network
Construct configuration module connection.The output end of power grid real-time model generation module is connect with the input terminal of Load flow calculation module.
Net structure configuration module turns power supply calculation model for passing through visualization electrical network assembly formation cyclization.
Net structure configuration determines the linking relationship between various components in power grid, and Load flow calculation is formed by linking relationship
In chain matrice so that original static network is become cyclization by opening or closing corresponding breaker in configuration figure
Customized network.Since there are busbar, circuit, breaker, power supply, load, compensation device, transformer etc. are multiple to be set in a network
Slave component, physical characteristic differ, and the physical characteristic of various components in power grid can be arranged in net structure configuration.By the way that network is arranged
Component property in configuration defines its matrix element in Load flow calculation, forms network configuration figure and is individually calculated it,
And it is equivalent to carry out data.Compared with traditional tidal current computing method matrix construction is larger, network configuration can carry out automatically it is equivalent,
Simplify the structure of net structure.
Visualization construction has been carried out to network condition by network configuration figure, can have been suited with real network height, if
Network has change, it is only necessary to change cyclization figure, have higher real-time and accuracy.Whether net structure configuration is simultaneously
Energy cyclization provides Rule of judgment, if not meeting cyclization condition, is carried out by adjusting network connection relation and power supply load excellent
Change.In addition, network configuration figure can read the real time data of power grid by unique index (key assignments), can be obtained in Load flow calculation
To current Load flow calculation quantity of state initial value, calculating iterations can be reduced, avoid making trend meter due to the unreasonable of Initial value choice
Calculate the local minimum that model is absorbed in mistake.Simulation operations can also be carried out, result of calculation can directly be reacted to be convenient in figure
Analysis.
Power grid off-line model builds module, and the parameter for calling online Dynamic model bank builds power grid off-line model.Electricity
The input terminal of net off-line model structure module is connect with Data Analysis Services module, and output end is connect with Load flow calculation module, will
Off-line simulation calculating is carried out in the power grid off-line model input Load flow calculation module of structure.
Load flow calculation module carries out Load flow calculation, or distinguish partial electric grid for calling power grid real-time model to the whole network
Carry out the Load flow calculation in each region, be aggregated into the whole network, obtain closed loop power flow control condition and cyclization suggestion or
Obtain the suggestion of tide optimization；And power grid off-line model is called, Load flow calculation is carried out to the whole network, or opened respectively partial electric grid
The Load flow calculation in each region is opened up, is aggregated into the whole network, the suggestion of looped network planning is obtained.
The suggestion of cyclization include under current trend can cyclization, be unable to the suggestion etc. that cyclization then carries out tide optimization.Work as conjunction
The suggestion of ring is when cannot carry out cyclization, and Load flow calculation module calls power grid real-time model again, and Load flow calculation is carried out to the whole network,
Or carry out Load flow calculation in each region respectively to partial electric grid, it is aggregated into the whole network, obtains the suggestion of tide optimization.Tide
Flow-optimized suggestion includes active power adjustment position and adjustment amount, i.e. power plant's output adjustment amount, load adjustment amount；Idle adjustment position
And adjustment amount, i.e. load tap changer adjustment amount, reactive power compensator adjustment amount etc..
When cannot still meet the condition of closed loop power flow control after the suggestion of tide optimization deviates reality, or optimization, call
Power grid off-line model carries out Load flow calculation to the whole network, or carries out the Load flow calculation in each region, Jiang Qihui respectively to partial electric grid
Always to the suggestion in the whole network, obtaining looped network planning.Looped network planning suggestion include：The replacement of mutual inductor, main transformer circuit on looped network
Etc. equipment whether need technological transformation replace etc..
Load flow calculation module is made of the computing unit of more installation LINUX systems in the present embodiment, receives cyclization calculating
Tidal current analysis calculating is carried out after order or data-triggered, and result of calculation is returned after calculating.Using Load flow calculation module into
When row Load flow calculation, the layering of the whole network and partial electric grid, such as prefecture-level power grid, County Power Grid are carried out, power grids at different levels are carried out
Subregion carries out the Load flow calculation in each region respectively.Subregion is mainly the standard for considering big the cyclization assessment and operation in power distribution network
True property, layering mainly consider the convenience of the small cyclization or grid switching operation in power distribution network under the region.
In the present embodiment, to each counties and districts' power grid carry out subregion, carry out Load flow calculation during, because each counties and districts' power grid with
City-level power grid connects (city-level power grid is similar) with other counties and districts' power grids, is calculated to simplify, external connection power grid can be carried out etc.
Effect only focuses on contact interface power exchange capacity, such as active power, reactive power.Each counties and districts' power grid is carried out respectively in each region
Load flow calculation, be aggregated into the whole network, for a certain looped network section, after both having met closed loop power flow condition and cyclization, N-1 equipment is not
Overload, and the whole network trend can be met and be no more than equipment service ability.Compared with common Load flow calculation module, using layering, divide
Area is calculated, and Load flow calculation is made more to refine, convenient for work about electric power personnel targetedly involutive ring result of calculation into
Row is checked, while effectively raising the accuracy of Load flow calculation, helps to improve the reliability of power supply.
It should be noted that further including having permission to access setup module in server, after carrying out Sub-region and hierarchical, to client
User accesses and provides and limit, and to ensure the safety of user information, while client being avoided to misunderstand other regions due to error
Cyclization calculate information, lead to the adjusting and control of mistake, cause have a power failure, damage electric utility the problems such as.The user of client
Delineation of power also is carried out to the user of Sub-region and hierarchical in rights management classification, is connect with remote switching operation service system for system
It is reserved to do permission.
Database module, for storing online dynamic model data, power grid Real-time Power Flow data, power grid real-time model number
According to, the result of power grid off-line model data and Load flow calculation.
The result of Load flow calculation includes the condition and suggestion of closed loop power flow control, the suggestion of tide optimization and looped network planning
Suggestion, fed back and shown in client.Simultaneously during entire Load flow calculation, the parameter and data of acquisition generate
Online dynamic model data, power grid Real-time Power Flow data, power grid real-time model data, power grid off-line model data and trend meter
Result data is calculated, is stored in database module, access and use in order to client to data and calculation of tidal current.
Each hierarchical system shares a database, it can be achieved that electric network model off-line data, real-time running data, equipment component supplemental characteristic
It is shared.
After server obtains the instruction of cyclization, grid equipment parameter is obtained by Data Analysis Services module, and to equipment
Parameter optimizes modeling and forms online Dynamic model bank, the real-time calling electric network swim data from Automation System of Power Network, will
It is integrally formed power grid Real-time Power Flow data.Power grid real-time model generation module calls power grid Real-time Power Flow data, by itself and net
Network constructs configuration module data and generates power grid real-time model.Load flow calculation module calls the power grid real-time model, carries out the whole network
Load flow calculation, or or carry out Load flow calculation in each region respectively to partial electric grid, be aggregated into the whole network, obtain cyclization tide
The condition of flow control and the suggestion of cyclization.When the suggestion of cyclization be cannot carry out cyclization when, again call power grid real-time model into
Row Load flow calculation obtains the suggestion of tide optimization.It cannot still meet cyclization after the suggestion of tide optimization deviates reality, or optimization
When the condition of power flowcontrol, the parameter of online Dynamic model bank is called, builds power grid off-line model, Load flow calculation module calls electricity
Net off-line model carries out Load flow calculation, obtains the suggestion of looped network planning.And in the whole process, the parameter and data of acquisition are raw
At model data, the result etc. of Load flow calculation is stored in database module.
Optionally, database module includes database management module, for being managed to the data in database.
Database management module includes historical data database management module and real time database management module.
The historical data database management module, for carrying out storage management to historical load, history power plant manufacture information.
The real time database management module, for the flow data to current scheduling automated system, metering automation system
The load data of system, the plant information of small power station's system carry out storage management.Database management module can store data
It is shown, i.e., is deposited in historical data database management module and real time database management module with management, including push client
The data such as historical load, the small power station's system plant information of storage can be shown to client push, convenient for staff to electricity
The real-time understanding and assurance of network operation situation, help to improve the safety of cyclization.
Optionally, which further includes interface display module, for by the result of Load flow calculation using report, diagram or its
Comprehensive mode is shown.Analysis result is shown from different levels such as time, space, event, purposes, using report, diagram
With comprehensive mode, orderliness is more clear, convenient for checking for staff.
Optionally, which further includes data check module, is checked for the result to Load flow calculation.It can be by trend
The result of calculating is input in unified anti-error expert database, the power generation in device parameter, small electric system in calling model
Plan, historical data etc. check calculation of tidal current, to determine whether disclosure satisfy that cyclization condition, carry out cyclization behaviour
Make.The accuracy for improving Load flow calculation, the problems such as avoiding causing power failure and electric utility to damage due to maloperation, mistuning control.
Optionally, which further includes remote access module, the remote access for realizing client to server.It is in
Client at county level can carry out the access of ground level server by way of remote access, can call device parameter and Real-time Power Flow
Data realize the Load flow calculation of corresponding region, can reflect the regional power grid operating condition in real time, improve regional power grid Load flow calculation
Accuracy.
Optionally, electric network swim data include SCADA formatted datas.Grid equipment parameter includes PSASP, BPA format number
According to.Online data directly invokes automation SCADA formatted datas, and off-line data supports the formats such as PSASP, BPA.
Fig. 2 shows a kind of closed loop network turn power supply aid decision-making method flow chart provided by the embodiments of the present application, ginsengs
See Fig. 2, this method comprises the following steps：
S101：According to cyclization computations, grid equipment parameter is obtained, and modeling is optimized to device parameter and is formed in
Line Dynamic model bank；The real-time calling electric network swim data from Automation System of Power Network, are integrally formed power grid Real-time Power Flow
Data.
S102：Power grid Real-time Power Flow data are called, itself and net structure configuration module data are generated into power grid real-time model.
S103：Power grid real-time model is called, Load flow calculation is carried out to the whole network, or carry out respectively in each region to partial electric grid
Load flow calculation, be aggregated into the whole network, obtain closed loop power flow control condition and cyclization suggestion.
S104：When the suggestion of cyclization is that cannot carry out cyclization, power grid real-time model is called again, and trend is carried out to the whole network
It calculates, or carries out the Load flow calculation in each region respectively to partial electric grid, be aggregated into the whole network, obtain building for tide optimization
View.
S105：When cannot still meet the condition of closed loop power flow control after the suggestion of tide optimization deviates reality, or optimization,
Online Dynamic model bank parameter is called, power grid off-line model is built.Power grid off-line model is called, Load flow calculation is carried out to the whole network,
Or carry out Load flow calculation in each region respectively to partial electric grid, it is aggregated into the whole network, obtains the suggestion of looped network planning.
S106：By online dynamic model data, power grid Real-time Power Flow data, power grid real-time model data, the offline mould of power grid
Type data and the result of Load flow calculation are stored in database module, access and use for client.
Optionally, this method further includes being checked to the result of Load flow calculation.
Optionally, the access with use of client include the mode of remote access.
This application provides a kind of closed loop networks to turn power supply aid decision-making system, calls the real-time flow data of power grid simultaneously
After being integrated to it, power grid real-time model is formed in conjunction with net structure configuration data, and then carry out Load flow calculation, real-time calling
Data can really react the operating condition of power grid, improve the accuracy of Load flow calculation.Grid equipment parameter is carried out simultaneously
Optimization Modeling establishes power grid off-line model and carries out Load flow calculation, integration is optimized to the data of calling, improves number
According to accuracy.The efficiency for being conducive to improve accuracy and calculating that electric network swim calculates avoids the mistuning of cyclization, accidentally controls
The problems such as.In addition by the whole network and partial electric grid layering, partial electric grid carry out subregion, expansion layering, subregion Load flow calculation, for
A certain looped network section, can meet closed loop power flow adjust and cyclization after equipment nonoverload and meet the whole network trend be no more than set
Standby service ability, makes Load flow calculation more refine, and improve the accuracy of calculating, helps to improve closed loop network and turns
The reliability of power supply and safety.In addition each level shares a sets of data, realizes electric network model off-line data, real time execution number
It is shared according to, device network supplemental characteristic.
It should be noted that such as " the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include but also include not bright so that article or equipment including a series of elements include not only those elements
The other element really listed, or further include for elements inherent to such a process, method, article, or device.Do not having
In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that including the element process,
There is also other identical elements in method, article or equipment.
The above is only the specific implementation mode of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.
Claims (9)
1. a kind of closed loop network turns power supply aid decision-making system, which is characterized in that including server and several clients；
The server includes Data Analysis Services module, power grid real-time model generation module, net structure configuration module, power grid
Off-line model builds module, database module and Load flow calculation module；
The Data Analysis Services module optimizes modeling shape for obtaining grid equipment parameter, and to the device parameter
At online Dynamic model bank, and the real-time calling electric network swim data from Automation System of Power Network, it is integrally formed power grid
Real-time Power Flow data；
The power grid real-time model generation module, for calling the power grid Real-time Power Flow data, by itself and the net structure
Configuration module data generate power grid real-time model；
The net structure configuration module turns power supply calculation model for passing through visualization electrical network assembly formation cyclization；
The power grid off-line model builds module, and the parameter for calling the online Dynamic model bank builds the offline mould of power grid
Type；
The Load flow calculation module carries out Load flow calculation, or to partial electric grid for calling the power grid real-time model to the whole network
Carry out the Load flow calculation in each region respectively, be aggregated into the whole network, obtains the condition of closed loop power flow control and building for cyclization
Discuss or obtain the suggestion of tide optimization；And the power grid off-line model is called, Load flow calculation is carried out to the whole network, or to local electricity
Net carries out the Load flow calculation in each region respectively, is aggregated into the whole network, and the suggestion of looped network planning is obtained；
Database module, it is real-time for storing the online dynamic model data, the power grid Real-time Power Flow data, the power grid
The result of model data, the power grid off-line model data and the Load flow calculation.
2. system according to claim 1, which is characterized in that the database module includes database management module, is used
It is managed in the data in the database；
The database management module includes historical data database management module and real time database management module；
The historical data database management module, for carrying out storage management to historical load, history power plant manufacture information；
The real time database management module, for the flow data to current scheduling automated system, metering automation system
Load data, small power station's system plant information carry out storage management.
3. system according to claim 1, which is characterized in that the system also includes interface display modules, are used for institute
The result for stating Load flow calculation is shown by the way of report, diagram or its synthesis.
4. system according to claim 1, which is characterized in that the system also includes data check modules, for institute
The result for stating Load flow calculation is checked.
5. system according to claim 1, which is characterized in that the system also includes remote access module, for realizing
Remote access of the client to server.
6. system according to claim 1, which is characterized in that the electric network swim data include SCADA formatted datas；Institute
It includes PSASP, BPA formatted data to state grid equipment parameter.
7. a kind of closed loop network turns power supply aid decision-making method, which is characterized in that including：
According to cyclization computations, grid equipment parameter is obtained, and modeling is optimized to the device parameter and forms online move
States model library；The real-time calling electric network swim data from Automation System of Power Network are integrally formed power grid Real-time Power Flow data；
The power grid Real-time Power Flow data are called, itself and net structure configuration module data are generated into power grid real-time model；
The power grid real-time model is called, Load flow calculation is carried out to the whole network, or carry out the tide in each region respectively to partial electric grid
Stream calculation is aggregated into the whole network, and the suggestion of the condition and cyclization of closed loop power flow control is obtained；
When the suggestion of cyclization is that cannot carry out cyclization, the power grid real-time model is called again, and Load flow calculation is carried out to the whole network,
Or carry out Load flow calculation in each region respectively to partial electric grid, it is aggregated into the whole network, obtains the suggestion of tide optimization；
When cannot still meet the condition of closed loop power flow control after the suggestion of the tide optimization deviates reality, or optimization, call
The parameter of the online Dynamic model bank builds power grid off-line model；The power grid off-line model is called, trend is carried out to the whole network
It calculates, or carries out the Load flow calculation in each region respectively to partial electric grid, be aggregated into the whole network, obtain building for looped network planning
View；
By the online dynamic model data, the power grid Real-time Power Flow data, the power grid real-time model data, the power grid
Off-line model data and the result of the Load flow calculation are stored in database module, access and use for client.
8. the method according to the description of claim 7 is characterized in that the method further include to the result of the Load flow calculation into
Row is checked.
9. the method according to the description of claim 7 is characterized in that accessing and using for the client includes remote access
Mode.
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| CN201810172413.6A CN108390373B (en) | 2018-03-01 | 2018-03-01 | Power distribution network closed loop switching power supply auxiliary decision making system |
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| CN111682534A (en) * | 2020-06-17 | 2020-09-18 | 广东电网有限责任公司 | Method for analyzing batch transfer scheme of feeder lines of power distribution network |
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