CN104503261A - Control method of power grid running way - Google Patents
Control method of power grid running way Download PDFInfo
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- CN104503261A CN104503261A CN201410759057.XA CN201410759057A CN104503261A CN 104503261 A CN104503261 A CN 104503261A CN 201410759057 A CN201410759057 A CN 201410759057A CN 104503261 A CN104503261 A CN 104503261A
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Abstract
The invention discloses a control method of a power grid running way. The control method comprises the following steps: S01, importing a model into a pattern generating module; S02, generating a matched pattern according to the model through the pattern generating module; S03, generating power grid computation data with dynamic data, the model and the pattern matched with the model according to a set running way through a computation module; S04, storing the power grid computation data in a version management module. The dynamic data, the model and the pattern matched with the model are computed through the computation module, and are stored in the version management module for management, so that the aims of centralized management, automatic computation function and interactive sharing of a computation analysis result are fulfilled, the manual computation working mode of the power grid running way is changed, the power supply reliability is ensured, and the situation of power failure is reduced.
Description
Technical field
The present invention relates to power grid security field, in particular, relate to a kind of control method of power system operating mode.
Background technology
The scientific and reasonable arrangement of power system operating mode is the important leverage of power grid security, stable, economical operation.Along with the power grid such as sun power, wind energy, make power system operating mode type more various, calculation task cumulative year after year, grid structure is increasingly sophisticated, for method of operation routine work brings more difficulty and challenge, higher standard and the request are proposed to reasonable arrangement power system operating mode.The main artificial experience that relies on carries out manual setting computation schema at present, and computation process is loaded down with trivial details, and cause power grid security analysis result inaccurate, can not ensure power supply reliability, power-off condition happens occasionally.
Summary of the invention
The control method of a kind of power system operating mode provided by the invention, can realize automatic computing function, changes the artificial evaluation work pattern of power system operating mode, ensure that power supply reliability, reduces power-off condition.
To achieve these goals, the invention provides a kind of control method of power system operating mode, described control method comprises:
Step S01: model is directed into graph generation module;
Step S02: the figure that described graph generation module matches according to described model generation;
Step S03: computing module according to the method for operation of setting by dynamic data, described model and calculate data with the graphic hotsopt electrical network of described Model Matching;
Step S04: described electrical network is calculated data and is stored in version management module.
Preferably, in above-mentioned control method, in described step S01, described model comprises real-time states model, device parameter model and calculation document model.
Preferably, in above-mentioned control method, in described step S01, described calculation document model comprises boundary model.
Preferably, in above-mentioned control method, described step S02 is specially:
Described real-time states model, device parameter model and calculation document model associate according to metadata with SVG pel, generate the SVG figure with real-time states model, device parameter model and calculation document Model Matching.
Preferably, in above-mentioned control method, described step S02 also comprises after generating the figure with described Model Matching: described model and be saved to real-time profile data file with the pattern spacing of described Model Matching.
Preferably, in above-mentioned control method, in described step S03, described dynamic data comprises load prediction, real time data and historical data.
Preferably, in above-mentioned control method, comprise before described step S03: call BPA program and Security Checking is carried out to initial trend, judge electrical network whether safety, when power grid security, adjust network load and unit output according to load adjustment direction and adjustment mode of exerting oneself, generate the data file of BPA form.
The invention provides a kind of control method of power system operating mode, described control method comprises: step S01: model is directed into graph generation module; Step S02: the figure that described graph generation module matches according to described model generation; Step S03: computing module according to the method for operation of setting by dynamic data, described model and calculate data with the graphic hotsopt electrical network of described Model Matching; Step S04: described electrical network is calculated data and is stored in version management module.By computing module by dynamic data, model with calculate with the figure of described Model Matching, and be stored in version management module and manage, achieve centralized management and automatic computing function, the object that Calculation results is shared alternately, change the artificial evaluation work pattern of power system operating mode, ensure that power supply reliability, reduce power-off condition.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The control method process flow diagram of a kind of power system operating mode that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Carry out manual setting computation schema to solve artificial experience in prior art, computation process is loaded down with trivial details, and cause the inaccurate problem of power grid security analysis result, the invention provides a kind of control method of power system operating mode, described control method comprises:
Step S01: model is directed into graph generation module; Described model comprises real-time states model, device parameter model and calculation document model.
Wherein, the model lead-in mode be directed in graph generation module has multiple, comprises the importing of real-time states model, the importing of device parameter, the importing of calculation document model.Wherein the in real time importing of states model (i.e. the CIM of SCADA/EMS) is with based on the power network resources model file of IEC 61970 and E real data files Fang Weizhu, the importing of device parameter model (i.e. the CIM of Parameter Management System in Power Systems) is based on the asset model file based on IEC 61968, after importing, asset model is mapped as power network resources model, and various parameter is carried out be calculated as the parameter required for electrical network calculating, for the equipment of future-state, the time that it accesses rack can be differentiated by the date of putting into operation, to determine whether apply in the calculation.Described calculation document model comprises boundary model, and the importing of calculation document model mainly imports boundary model, because in real-time states model, boundary model mostly adopts equivalent mode to carry out, so need the boundary model in calculation document model to supplement.
First the importing coupling of real-time states model, device parameter and calculation document model mates with name.Follow the Naming conventions (Q ZDJ 47-2006) based on CIM, name coupling adopts fuzzy matching, line arrangement numbering is adopted to mate for circuit, transformer station adopts transformer station's name-matches, all the other equipment can be on all four, matches, inconsistent passes through relation of inclusion, ejects dialog box and selects.
Step S02: the figure that described graph generation module matches according to described model generation.The figure generated should be corresponding with model, and the model namely calling history should be able to have the figure matched, and the figure of generation follows graphical interaction specification (Q ZDJ 48-2006) standard based on SVG.Except according to except model generation figure, also SVG figure can directly be imported, also the CIM XML file based on longitude and latitude can be imported, automatic generation SVG figure, support editting function and level Presentation Function simultaneously, at graphic file, automatically can generate SVG figure, support editting function and level Presentation Function simultaneously, can selectable display device parameter and measurement on figure, result of calculation information.
Described real-time states model, device parameter model and calculation document model associate according to metadata with SVG pel, generate the SVG figure with real-time states model, device parameter model and calculation document Model Matching.Adopt SVG figure and CIM file to realize the editor of artwork one, wherein SVG figure adopts metadata to describe with associating of CIM object, and wherein, CIM file is the CIM of SCADA/EMS and the CIM etc. of Parameter Management System in Power Systems.The figure generated also can use MetaData metadata describing mode, metadata is a kind of data of data of description, be mainly used in some attributes of data of description data, by the CIM object number (rdf:ID) that metadata specifies pel to bind in SVG figure, achieve associating of SVG pel and CIM object.Can edit this metadata in SVG graphic editor, to realize the binding of equipment pel and CIM object equally.Because CIM object number is generally metastable in CIM, so the SVG pel adopting which to realize also is stable with associating of CIM object comparatively speaking.SVG equipment pel generally adopts the mode quoted to realize, and in the drawing process of SVG figure, each power system device pel can distribute a numbering unique in this SVG figure, and each power system device pel has corresponding metadata.
Described step S02 also comprises after generating the figure with described Model Matching: described model and be saved to real-time profile data file with the pattern spacing of described Model Matching.There is provided two kinds of support methods to realize obtaining real-time profile data in PI system, one uses PI interface function, and obtain real time data, another kind of WEB SERVICES message mechanism realizes information mutual communication.
Step S03: computing module according to the method for operation of setting by dynamic data, described model and calculate data with the graphic hotsopt electrical network of described Model Matching.Before computing module calculates, first the method for operation is adjusted, the excel form of turnaround plan and unit generation plan and E file or other form import, in importing process, the method of operation can done on figure for this maintenance mode adjusts, and record method of operation regulation time, and it and the time one piece of turnaround plan are preserved into database, as the self-adjusting basis of the method for operation, the interface that system loading is predicted and bus load is predicted is provided, thus read in load prediction data, and by data stored in database, as the self-adjusting basis of the method for operation.The load adjustment interface of simultaneously providing convenience and bus load forecast function, realize the automatic adjustment of the method for operation.Bus load forecast function is the stressor automatically recording every bar bus when real-time state storage of versions, when needs carry out bus load distribution, uses the bus load factor through statistics and prediction to carry out load distribution.Then the method for operation (containing turnaround plan) is calculated by computing module, typical electrical network can be generated calculate data on the basis of a certain method of operation.
Step S04: described electrical network is calculated data and is stored in version management module.Version management module comprises model, figure and dynamic data (may derive from historical data or real time data or unit plan or load prediction), and three is one, unifiedly stores, and unified loading is called.Version for virtual state provides user one more friendly artwork one operation interface to carry out additions and deletions equipment.
Wherein, the unit of definition version management is section file, and version management is to this one-level of model file, graphic file and dynamic data file.For real-time state, assuming that among one day, model and figure remain unchanged, and preserve the real-time profile data file in a SCADA at set intervals.For research state, complete model and whole figures can be preserved to each version, also can come the delta file of preservation model and the graphic file of amendment and increase based on some ground state, also data corresponding for this version or result of calculation be preserved in the data file simultaneously.Data in all version management module can carry out upload and download, can call each intelligent computation module and calculate after download.
Comprise before described step S03: call BPA program and Security Checking is carried out to initial trend, judge electrical network whether safety, when power grid security, adjust network load and unit output according to load adjustment direction and adjustment mode of exerting oneself, generate the data file of BPA form.Whole process is called that stable state calculates, and specifically utilizes platform feature to arrange and intends research section, load adjustment direction adjustment mode.First program is called BPA program and is carried out N-1 Security Checking to initial trend, interface routine is provided to resolve BPA check result, and then provide the conclusion of electrical network whether N-1 safety, situation for safety is checked for N-1, network load and unit output is adjusted according to load adjustment direction and adjustment mode of exerting oneself, generate the data file of BPA form, carry out further N-1 Security Checking, till when electrical network occurs that N-1 Security Checking does not meet for BPA program.Program calls to reduce as much as possible the number of times that BPA program carries out N-1 Security Checking by mechanism such as adjustment step-ahead prediction and interpolation etc., under the prerequisite meeting appropriate accuracy, reduces the time needed for the calculating of section thermal stability limit as much as possible.
Interface service is provided, be specially and the interface service of the GDA in the IEC61970CIS interface of standard is provided, realize fetch interface and more new interface serve for each computing module, CIS interface supports multithreading service, can adaptive different data source come for different calculation services.Wherein, lan interfaces and EMS system, DPMS system, BPA file, PSSE file exchange information by LAN (Local Area Network).In standard interface, support that EXCEL imports, CIM XML file imports, SVG imports and E file imports.
Safety management aspect, provide the user security of based role to control, user cipher stores in the mode of ciphertext in a database, and carries out time restriction to the login of user.
Show each bus arrangement figure, display flow data, carry out equipment and withdraw labour operation, simulation shows power flow changing data.
The control method of a kind of power system operating mode provided by the invention can based on electrical network real time operation mode, electrical network parameter, model, historical data, system loading prediction, bus load prediction and turnaround plan etc., according to the moon of specifying, day, time automatically generate electrical network calculate data, can to settings of modifying such as grid equipment running status, active reactive injection, voltage controling value, bus compute type on figure.By computing module by dynamic data, model with calculate with the figure of described Model Matching, and be stored in version management module and manage, achieve centralized management and computing function automatically, the object that Calculation results is shared alternately.Electric network model more accurately in future can be provided according to equipment operation plan, electric network swim calculating, short circuit calculation and static security analysis are carried out to following rack, automatically prepared auto restart is generated according to electric network model, and carry out N-1 safety analysis based on prepared auto restart, provide electrical network analysis result, for user mode reference.Achieve the polymorphic management of the method for operation, based on the rack increment management sending out project of transmitting and converting electricity, future-state splicing and the backtracking of history state can be realized, realize rack splicing and the equivalence of electrical network, carry out year, the moon, week, the rolling analysis of day and Continuous plus.Change the artificial evaluation work pattern of power system operating mode, ensure that power supply reliability, reduce power-off condition.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a control method for power system operating mode, is characterized in that, described control method comprises:
Step S01: model is directed into graph generation module;
Step S02: the figure that described graph generation module matches according to described model generation;
Step S03: computing module according to the method for operation of setting by dynamic data, described model and calculate data with the graphic hotsopt electrical network of described Model Matching;
Step S04: described electrical network is calculated data and is stored in version management module.
2. control method as claimed in claim 1, it is characterized in that, in described step S01, described model comprises real-time states model, device parameter model and calculation document model.
3. control method as claimed in claim 2, it is characterized in that, in described step S01, described calculation document model comprises boundary model.
4. control method as claimed in claim 2, it is characterized in that, described step S02 is specially:
Described real-time states model, device parameter model and calculation document model associate according to metadata with SVG pel, generate the SVG figure with real-time states model, device parameter model and calculation document Model Matching.
5. control method as claimed in claim 1, is characterized in that, described step S02 also comprises after generating the figure with described Model Matching: described model and be saved to real-time profile data file with the pattern spacing of described Model Matching.
6. control method as claimed in claim 1, it is characterized in that, in described step S03, described dynamic data comprises load prediction, real time data and historical data.
7. control method as claimed in claim 1, it is characterized in that, comprise before described step S03: call BPA program and Security Checking is carried out to initial trend, judge electrical network whether safety, when power grid security, adjust network load and unit output according to load adjustment direction and adjustment mode of exerting oneself, generate the data file of BPA form.
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| CN116166366A (en) * | 2023-04-24 | 2023-05-26 | 国网江西省电力有限公司信息通信分公司 | Automatic one-stop power grid multi-style thematic map forming system and method |
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