CN102938098A - Power grid operation manner expert system - Google Patents
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- CN102938098A CN102938098A CN2012103880998A CN201210388099A CN102938098A CN 102938098 A CN102938098 A CN 102938098A CN 2012103880998 A CN2012103880998 A CN 2012103880998A CN 201210388099 A CN201210388099 A CN 201210388099A CN 102938098 A CN102938098 A CN 102938098A
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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Abstract
The invention provides a power grid operation manner expert system, comprising an OPEN3000 system, an MIS (Management Information System) and a data sharing interface, wherein the OPEN3000 system obtain power grid parameters and power grid data, which are in need of sharing and are obtained by reading a CIM (Common Information Model), according to a standard power system model of the CIM; the MIS system supports power grid dispatching production management and working; data information of the MIS comprises maintenance project basic information, maintenance unit information and applied maintenance content; and the data sharing interface converts data integration of the OPEN3000 system and data integration of the MIS, so that the data information sharing can be completed, or the direct access authorization of the MIS can be opened, so that the data sharing integration can be completed by directly accessing a database. With the adoption of the power grid operation manner expert system provided by the invention, the data sharing can be realized through a power grid management information system and a real-time data platform; and the power grid operation manner design and the intelligent decision solving scheme can be provided.
Description
Technical field
The present invention relates to a kind of power technology field, relate in particular to a kind of power system operating mode expert system.
Background technology
At present, along with the progress of science and technology, expanding economy, electrical network is also more and more huger, complicated, the fast development of electrical network requires the power system operating mode intelligent decision-making, and the rule-of-thumb approach decision-making mode can not adapt to Secretary, must make intelligentized dispatching of power netwoks in conjunction with scientific-technical progress.
Data sharing technology aspect about Power MIS and Real-time Data Center, power grid enterprises produce net and managerial grid information sharing and MIS(Management Information System though the domestic researcher of having begins one's study, information management system) each subsystem is shared the problem of scheduling real time data simultaneously, but it is not do not draw concrete technical scheme, and dark for the power system operating mode concrete practical exploration of making a strategic decision yet.
About the power system operating mode aspect, domestic existing " research of area power grid method of operation evaluation method " (Zhang Yan, " Shanghai Communications University ", 2009), this article has only proposed a cover evaluation method to power system operating mode, but the method for operation meet evaluation criterion to how utilizing scientific method to realize does not have and relates to.Particularly along with behind the countries in the world occurrence of large-area power-off event in recent years, original standard is not exclusively applicable.
About the turnaround plan aspect, domestic existing " making up province ground county integrated grid equipment overhaul management system " (Zhao Pu, Pang Zhengning, Zhang Yunxiong, " Automation of Electric Systems ", 2009), the management process problem of having researched and solved the grid equipment maintenance of province's ground integrated maintenance in county, but security and the science of system's control turnaround plan to how, taking precautions against in the grid maintenance process key issue such as operation of power networks risk does not have research.
About startup scheme and Auto aspect, domestic existing " research and the exploitation of the startup scheme that is incorporated into the power networks automatic creation system " (Wang Ke, Li Yi, Li Li, " electrical network and clean energy resource ", 2008), the research that the condition of typical wiring mode and several particular job contents of being based on is made, but use the startup scheme of the small-sized technological transformation class work under the above-mentioned condition that is confined to, can not adapt to all kinds of modes of connection of non-provincial power network, can not be applied to capital construction class engineering startup scheme.
Domestic a lot of electric power dispatch management department all requires the method for operation management system that adapts setting up in conjunction with the self-demand development with its managerial class, but there is no at present based on artificial intelligence, realize the system of full process automatization management, Based Intelligent Control and the aid decision making of the method for operation, power failure plan application, startup solution formulation etc.Therefore, set up technology platform and the intelligent management of unified standard, and guaranteeing under the fully safe prerequisite of power network dispatching system, adopt online mode, with power scheduling real time information system interface, realize the real-time verification of safety (trend is calculated, stable control calculate), it is the technical matters that method of operation expert system must solve that the arrangement that make the method for operation, power failure plan, starts scheme has more practicality, security, reliability.
Summary of the invention
The technical matters that exists for solving prior art, the invention provides a kind of power system operating mode expert system, this system is based on present China power system operating mode characteristics, be intended to realize data sharing by Power MIS and Real-time Data Center, design and the intelligent decision-making solution of one cover based on the power system operating mode expert system proposed, but institute's construction system possesses intelligence computation and the conventional medium-term and long-term work program of analysis ability specific office, authorized strength work report and scheme, the identification power grid risk specifically is that the generating run mode is single, formulate have a power failure plan and startup scheme, the early warning of issue power grid risk.Thereby improve the power supply reliability of electrical network, the work efficiency of raising scheduling and operating management department reaches the purpose of building intelligence, efficient, reliable electrical network.
The technical matters that exists for solving prior art the invention provides a kind of power system operating mode expert system, and this system comprises: OPEN3000 system, MIS(Management Information System, information management system) system and data sharing interface;
The OPEN3000 system is a basic CIM(Common Information Model who is used for according to its inside, common information model), needing to obtain shared electrical network parameter and electric network data by reading the CIM model, and by data sharing interface connection ESB(Enterprise Service Bus, ESB) carries out data output, or adopt XML(Extensible Markup Language, extend markup language) or CIM document mode derived data information;
MIS(Management Information System, information management system) is used for based on SCADA(Supervisory Control And Data Acquisition, data acquisition and supervisor control)/EMS (Energy Management System, energy management system), DMS(Distribution Management System, Distribution Management System), TMR(Tele Meter Reading System, electric energy metered system) the electrical network real time data of automated system collection, the data message of described mis system comprises: the overhauling project Back ground Information, the maintenance unit information, application maintenance content and relevant project content;
Data sharing interface is used for according to the CIM standards system SCADA/EMS data integration of described OPEN3000 system and the data integration of described mis system being changed, finish sharing of data message, or for the opening of controlling the direct access rights of described mis system, it is integrated to finish data sharing by the method for direct access inscriptions on bones or tortoise shells oracle database.
Wherein, described data sharing interface is used for according to the CIM standards system SCADA/EMS data integration of described OPEN3000 system and the data integration of described mis system being changed, finish in the sharing of data message,
Described data sharing interface adopts the IEC61970 standard take CIM as the basis that various application-specific, various object modeling, variety of protocol are connected and changes.
Wherein, described OPEN3000 system comprises: the real time information system platform and energy management system, Distribution Management System, WAMS and the public information platform four systems that are applicable to the various real-time application functions in dispatching center.
Wherein, the data message that described OPEN3000 is shared comprises three classes: system class, equipment class and EMS data;
System class comprises basic data, the power plant and substation's information of describing whole electric network model;
Equipment class comprises isolating switch information, disconnecting link information, bus information, transformer information, line information, generator information, information on load, capacitive reactance device information;
The EMS data comprise external network equivalent parameter and load prediction results and real time data and historical data.
Wherein, described power system operating mode expert system also comprises: calculation services module, regular maintenance module, result of calculation module, Report Forms Service module, web service module;
The calculation services module is used for that data message according to OPEN3000 system and mis system carries out that load prediction, trend are calculated, maintenance sequential, mode adjust;
The rule maintenance module is used for the computation rule of described calculation services module is safeguarded;
The result of calculation module is used for formulating the plan that has a power failure, mode list, startup scheme and risk management and control according to the result of calculation of described calculation services module;
Report Forms Service module and web service module, the result who is used for described result of calculation module is generated exports.
Wherein, the real time data information of native system adopts the one direction from the OPEN3000 system to mis system to obtain, and does not allow the district's data writing to OPEN3000, and all calculation services adopt the exclusive data interface shape to carry out in three districts.
Wherein, this system also comprises method of operation administration module; Described method of operation administration module comprises to be supported graphic processing data is analyzed, unified to various electrical networks, and the integrated automatic Load Flow Calculation Software of this method of operation administration module is carried out the management of device parameter and the method for operation.
Wherein, described method of operation administration module comprises: running mode data administrative unit, client-side management unit, applied analysis computing unit and report automatic generation unit four parts.
The running mode data administrative unit is used for making up the database unified platform by the data sharing interface between OPEN3000 system and the mis system, for the different system data sharing;
The client-side management unit is used for according to user's requirement, realizes user management, Case project management, client application and correlation function;
The applied analysis computing unit is used for filtering out the feasible program that satisfies various constraints from the possible operating scheme of magnanimity, then forms multiobject prioritization scheme, makes operation planning have operability;
Report automatic generation unit, be used for according to relevant rules and relevant governing principle requirement, preset and formulate normalized form and report template, when treating the analytical calculation end-of-job of applied analysis computing unit, automatically from database, obtain result of calculation and integrate, conclude and analyze with other information, output to correspondence position in the form.
Wherein, described running mode data administrative unit adopts information interaction between each heterogeneous platform of Web Service technical finesse; Adopt ASP (Active Server Page, Active Server Pages) the technology establishment Web page to operate in server end; Adopt the support of IIS Web server.
Wherein, described system adopts classification and fractional constraint, specifically comprises: apparatus of load constraint, trend profile constraints, N-1 judge, electromagnetic looped network constraint, workload constraint, equipment room have a power failure relation, power off time arrangement and carry out basic power off time for particular device and manage.
The invention provides a kind of power system operating mode expert system, this system is based on present China power system operating mode characteristics, realize data sharing by Power MIS MIS and Real-time Data Center OPEN3000, design and the intelligent decision-making solution of one cover based on the power system operating mode expert system proposed, but this power system operating mode expert system possesses intelligence computation and the conventional medium-term and long-term work program of analysis ability specific office, authorized strength work report and scheme, the identification power grid risk specifically is that the generating run mode is single, formulate have a power failure plan and startup scheme, the early warning of issue power grid risk.Thereby improve the power supply reliability of electrical network, the work efficiency of raising scheduling and operating management department reaches the purpose of building intelligence, efficient, reliable electrical network.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is power system operating mode expert system the first example structure synoptic diagram provided by the invention;
Fig. 2 is power system operating mode expert system the second example structure synoptic diagram provided by the invention;
Fig. 3 is the functional areas synoptic diagram of power system operating mode expert system provided by the invention;
Fig. 4 is power system operating mode expert system the 3rd example structure synoptic diagram provided by the invention;
Fig. 5 is power system operating mode expert system classification provided by the invention and fractional constraint synoptic diagram.
Embodiment
The invention provides a kind of power system operating mode expert system, this system is based on present China power system operating mode characteristics, realize data sharing by Power MIS MIS and Real-time Data Center OPEN3000, design and the intelligent decision-making solution of one cover based on the power system operating mode expert system proposed, but this power system operating mode expert system possesses intelligence computation and the conventional medium-term and long-term work program of analysis ability specific office, authorized strength work report and scheme, the identification power grid risk specifically is that the generating run mode is single, formulate have a power failure plan and startup scheme, the early warning of issue power grid risk.Thereby improve the power supply reliability of electrical network, the work efficiency of raising scheduling and operating management department reaches the purpose of building intelligence, efficient, reliable electrical network.
Referring to Fig. 1, be power system operating mode expert system the first example structure synoptic diagram provided by the invention, as shown in Figure 1, this power system operating mode expert system comprises: Real-time Data Center (OPEN3000 system 1), Power MIS (mis system 2) and data sharing interface 3.
The electric power system model that OPEN3000 system 1 is used for according to the basic CIM standard of its inside, needing to obtain shared electrical network parameter and electric network data by reading the CIM model, and carry out data by data sharing interface connection ESB ESB and export, or adopt XM/CIM document mode derived data information.
Mis system 2 is based on the operation of power networks dispatching management information system that the electrical network real time data of SCADA/PAS, DMS, the collection of TMR automated system is carried out, be used for supporting dispatching of power netwoks production management and office, the data message of described mis system comprises: overhauling project Back ground Information, maintenance unit information, application maintenance content and relevant project content.
More specifically, the present invention mainly considers from two systems, a SCADA/EMS data integration that is based on OPEN3000 system 1, another is the data integration of mis system 2, it is integrated to carry out data sharing by data sharing interface 3, solves in esse data information exchange and connectivity problem between OPEN3000 system 1 and the mis system 2.
In the present embodiment, provide two kinds of modes that address the above problem:
Mode one, utilize the IEC61970 standard that various application-specific, various object modeling, variety of protocol are connected, change, solve the interconnect problem of OPEN3000 system 1 and mis system 2.Namely adopt the IEC61968/IEC61970 standards system as the basis take CIM, carry out the system integration take ESB as core, form unified SOA(service-oriented architecture, service-oriented architecture) application integration environment and the system combination of realization heterogeneous applications, the final data interchange platform of setting up based on ESB.
Mode two, open database (mis system 2) be access rights directly, and the user right of power system operating mode expert system is set under Oracle, this user right is set can accesses the tables of data that comprises the shared data message of needs in the mis system 2.Namely the method by direct access oracle database reaches the integrated purpose of data sharing.
Further, mis system 2 is based on the operation of power networks management and running that SCADA/PAS, DMS, the electrical network real time data of TMR automated system collection carry out and builds, and mainly is to serve dispatching of power netwoks production management and office.The data sharing demand of mis system mainly contains the overhauling project Back ground Information, i.e. the maintenance mode of equipment, the inspecting state of regulation, cycle, the personnel that need and equipment etc.; The maintenance unit information, i.e. the title of the unit of maintenance, composition of personnel, work post etc.; The application the maintenance content, comprise the applicant, the application repair time, the maintenance classification, to system requirements, repair apparatus, the maintenance kind, the maintenance content, power failure amount, amount during power failure, the contents such as affiliated engineering.
OPEN3000 system 1 belongs to the 4th generation scheduling centralized control system, comprises real time information system platform and energy management system, Distribution Management System, WAMS and a public information platform four systems that is applicable to the various real-time application functions in dispatching center.OPEN3000 data sharing demand roughly is divided three classes, and is respectively system class, equipment class and EMS data.System class mainly comprises basic data, the power plant and substation's information of describing whole electric network model; Equipment class comprises isolating switch information, disconnecting link information, bus information, transformer information, line information, generator information, information on load, capacitive reactance device information etc.; The EMS data owner will comprise external network equivalent parameter and load prediction results and real time data and historical data.
Power system operating mode expert system provided by the invention, based on present China power system operating mode characteristics, by the data sharing of data sharing interface realization MIS and OPEN3000, with design and the intelligent decision-making solution of supporting this power system operating mode expert system.But this power system operating mode expert system possesses intelligence computation and the conventional medium-term and long-term work program of analysis ability specific office, authorized strength work report and scheme, the identification power grid risk specifically is generating run mode list, formulate power failure plan and startup scheme, issue the power grid risk early warning.Thereby improve the power supply reliability of electrical network, the work efficiency of raising scheduling and operating management department reaches the purpose of building intelligence, efficient, reliable electrical network.
Referring to Fig. 2, be power system operating mode expert system the second example structure synoptic diagram provided by the invention.The OPEN3000 system 1 that the system that present embodiment provides has been described in a upper embodiment, mis system 2 and the data sharing interface 3, also comprise: calculation services module 4, regular maintenance module 5, result of calculation module 6, Report Forms Service module 7, web service module 8.More specifically:
Calculation services module 4 is used for that data message according to OPEN3000 system and mis system carries out that load prediction, trend are calculated, maintenance sequential, mode adjust.
Rule maintenance module 5 is used for the computation rule of described calculation services module is safeguarded.
Result of calculation module 6 is used for formulating the plan that has a power failure, mode list, startup scheme and risk management and control according to the result of calculation of described calculation services module.
Report Forms Service module 7 and web service module 8, the result who is used for described result of calculation module is generated exports.
Preferably, in actual applications, the above-mentioned functions module can be integrated in the OPEN3000 system 1.The present invention realizes information-based transmission equipment Back ground Information, electrical network real-time status, external network equivalent information by OPEN3000 system 1, the target of the data stream such as power failure plan, ability to work and workload in the mis system that the intelligent extraction dispatching center adopts.By automation collection and the arrangement to above information, data stream, native system just can utilize its automated analysis calculating to carry out the realization of functionalization, these calculation services major embodiment the following aspects comprise: load prediction, trend calculating, maintenance sequential, mode are adjusted.
Further, the power system operating mode expert system General layout Plan that provides of the embodiment of the invention, electric network information interactive from management automation, decision-making shared three aspects: and carried out framework and generate.For fully ensureing the security of automation system for the power network dispatching, native system is developed in three districts of enterprise computer network, real time data information adopts from the OPEN3000(dispatching and monitoring, physical layer data) obtains to the one direction of mis system, do not allow the district's data writing to OPEN3000, all calculation services adopt the exclusive data interface shape to carry out in three districts.
The power system operating mode expert system scheme that the embodiment of the invention provides mainly is to launch to build around " robotization, informationization, interactive " three features of intelligent grid, also carries out the tool design from this three aspects: on its function.Wherein the corresponding practical function of robotization is that the formulation of robotization realization power failure plan, formulation, the robotization that robotization realizes the startup scheme realize that tide optimization and adjustment, robotization realize the management of the method for operation, and information-based, interactive mainly be to replenish from above four aspects and optimization, function is as shown in Figure 3.
The power system operating mode expert system that implementing the embodiment of the invention provides can be saved cost of human resources, increases work efficiency.Take the Shenzhen Power Grid scale as example, when the work such as establishment maintenance repair plan, new equipment startup scheme, can increase work efficiency more than 4 times.When establishment year, monthly turnaround plan, the workload in one week can be finished in 1 day by 1 people during 5 human under normal circumstances.
Simultaneously, can also improve the security that power system operating mode arranges, avoid the power grid accident that causes because of mistake.Particularly based on the shared mechanism of mis system and Real-Time Scheduling platform, after employing electrical network current techique and the enterprise internal management system double constraints condition, fully ensured the security of optimality and the turnaround plan of power system operating mode.
Referring to Fig. 4, be power system operating mode expert system the 3rd example structure synoptic diagram provided by the invention.The power system operating mode expert system that present embodiment provides is compared with a upper embodiment, difference is, each functional module of having described in a upper embodiment, the power system operating mode expert system in the present embodiment also comprises method of operation administration module.Since in the present embodiment except method of operation administration module, the 26S Proteasome Structure and Function of other functional module and a upper embodiment are basically identical, so repeat no more in the present embodiment.
Graphic processing data is analyzed, unified to the method for operation administration module support that present embodiment provides to various electrical networks, and the integrated automatic Load Flow Calculation Software of this method of operation administration module is carried out the management of device parameter and the method for operation.
More specifically, in the power system operating mode expert system that present embodiment provides, method of operation administration module comprises as shown in Figure 4: running mode data administrative unit 91, client-side management unit 92, applied analysis computing unit 93 and report automatic generation unit 94.
Running mode data administrative unit 91 is used for making up the database unified platform by the data sharing interface between OPEN3000 system and the mis system, for the different system data sharing.More specifically, the power system operating mode expert system that the embodiment of the invention provides proposes higher open the requirement existing OPEN3000 system and mis system: the horizontal and vertical Distributed sharing application and maintenance that all can realize model, figure and the data of high opening, it should be noted that above-mentioned open to the outside world is not to realize by importing and exporting; The requirement of normalized number certificate is supported in the data aspect, comprises that modeling safeguards unity; Data acquisition process is unified and standard; Unified and the net of concurrentization is economized and is used interconnected uniform requirement to the data standard etc., forms virtualized dispatching services data center, supports the integrated application of various data; On model and figure, take into account the professional application such as scheduling, plan, mode, protection to the different requirements of model and figure, guarantee the minimum maintenance of robotization and other relevant specialities, satisfy the maximization of the specialties such as scheduling, plan, mode, protection and use; Want to realize that at ways of presentation the unified entrance of application function and each specialty unify access interface, under the prerequisite of safety, directly the having access to of the picture of system of the superior and the subordinate; On to the support of using, the separating of real implementation platform and application, the new application and convenient access that the third party uses supported in the application of should be able to support process reproducing.
The OPEN3000 system mainly shares data and comprises basic data, such as electrical network basic factory station and component data, security configuration, the common parameter of element; Running mode data is such as secondary device service datas such as primary equipment service data one-level route protection, generator protection, safety feature and low-frequency and low-voltage load-reducing device such as isolating switch, generator, transformer, circuit, capacitor, reactor and loads; Safety and stability examination related data: forecast failure collection, safety and stability monitoring range, safety and stability appraisal standards; Analysis result and statistics: complex optimum analysis result, the tabulate statistics information during mode is reported.
Preferably, running mode data administrative unit 91 adopts information interaction between each heterogeneous platform of Web Service technical finesse; Adopt the ASP technology establishment Web page to operate in server end, use the ActiveX technology of Microsoft needn't worry whether browser supports the employed programming language of the page; Adopt the support of IIS Web server, the IIS Web server can be supported HTTP, FTP and SMTP, it can provide quick and integrated existing product, simultaneously extendible Internet server.IIS supports ISAPI, uses the ISAPI can the expansion servers function, and uses the ISAPI filtrator can anticipate and process afterwards the data that are stored on the IIS; Adopt oracle database to control the user to the access of data base resource by security features such as user management, rights management, password management, database resource restrictions.。
Client-side management unit 92 is used for according to user's requirement, realizes user management, Case project management, client application and correlation function.More specifically, client-side management unit 92 is achieved as follows several functions: user management mainly according to user's requirement: grouping, the authority that data maintenance and analytical calculation function, report are write and managed.Case project management: storage, management.The client application function: user's login, fill under the data/upload, mode is selected/is edited, and the analytical calculation task is formulated, reporting system, data maintenance, data-interface.
Applied analysis computing unit 93 is used for filtering out the feasible program that satisfies various constraints from the possible operating scheme of magnanimity, then forms multiobject prioritization scheme, makes operation planning have operability.More specifically: the power system operating mode management must be take a large amount of analytical calculation work as technical support.Need to from the possible operating scheme of magnanimity, filter out the feasible program that satisfies various constraints, then form multiobject prioritization scheme, just can make operation planning have operability.Clear and definite Standardization Requirement is arranged, namely " guiding rules of power system safety and stability ", Southern Power Grid Company explicitly call for content, scope and the degree of depth of writing annual running mode report about technical manual and governing principles such as method of operation management of computing regulations.Therefore in calculating, electrical network analysis needs to carry out following a few part:
Trend is calculated and is automatically adjusted: the convenience of calculating in order to increase trend, improve the trend counting yield, the present invention's proposition realizes trend adjustment and the optimizational function of himself based on the automatic trend computing function in the OPEN3000 system, its basic thought is to take full advantage of the existing trend of OPEN3000 to calculate and adjusting module, realizes trend calculating and adjustment, device parameter and the method for operation management of convenience and high-efficiency.The general structure of the Automatic calculation of power flow system of power system operating mode expert system can be divided into according to function: the database unified platform, the graphics data management platform, the trend computing module of independent development, trend numerical procedure administration module, trend adjusting module and other subsidiary function modules.Such as the data Switching Module, aggregation of data enquiry module etc.
The transient safe and stable quantitative analysis.
The Static Voltage Security stability analysis.
The section power limit is calculated: according to operation of power networks operating mode, model and parameter, forecast failure scene, automatically satisfy simultaneously the maximum transfer power calculating that the aspects such as transient safe and stable and static security require.
Analysis on Small Disturbance Stability.
Mode is adjusted decision Analysis: for unsafe method of operation, automatically carry out the method for operation and adjust analysis of strategies calculating, the method for operation adjustment scheme that safety and stability requires is satisfied in output, for the operations staff provides the aid decision making support.
Security policy analysis calculates: for the forecast failure collection of the 2nd level security stabilized reference, according to candidate's security and stability control measurement of determining and control cost, computationally secure stability meets the demands, controls the little strategy of cost.
Analysis of Short-Circuit Current calculates.
The reactive voltage statistics and analysis.
In the above-mentioned calculating, calculate based on trend, judge convergence and rationality, and and then carry out after stable judgement.The convenience of calculating in order to increase trend, improve the trend counting yield, the present invention's proposition realizes trend adjustment and the optimizational function of himself based on the automatic trend computing function in the OPEN3000 system, its basic thought is to take full advantage of the existing trend of OPEN3000 to calculate and adjusting module, realizes trend calculating and adjustment, device parameter and the method for operation management of convenience and high-efficiency.General structure can be divided into according to function: the database unified platform, graphics data management platform, the trend computing module of independent development, trend numerical procedure administration module, trend adjusting module and other subsidiary function modules.
Report automatic generation unit 94, be used for according to relevant rules and relevant governing principle requirement, preset and formulate normalized form and report template, when treating the analytical calculation end-of-job of applied analysis computing unit, automatically from database, obtain result of calculation and integrate, conclude and analyze with other information, output to correspondence position in the form.The report kind comprises: annual running mode report, security and stability analysis report calculated, Analysis of Short-Circuit Current report calculated and reactive voltage analytical calculation report.
Preferably, system that present embodiment provides adopts classification and fractional constraint (as shown in Figure 5), specifically comprises: apparatus of load constraint, trend profile constraints, N-1 judge, electromagnetic looped network constraint, workload constraint, equipment room have a power failure relation, power off time arrangement and carry out basic power off time for particular device and manage.
More specifically, the system restriction problem in the present embodiment comprises two aspects: the one, determined by system equipment inherently safe service condition; The 2nd, in order to satisfy the user to some specific run modes of the requirement of electric system.Native system operation of power networks constraint condition is considered based on power grid security, satisfies the apparatus of load constraint, the trend profile constraints, and N-1 judges, the electromagnetic looped network constraint.The workload constraint is mainly considered in the maintenance scheduling, and equipment room power failure relation, power off time arrangement have basic power off time management for particular device.
Need to prove that the present invention can be applicable to grid company dispatching of power netwoks field, be mainly used in optimizing operating mode and grid equipment maintenance scheduling, newly-built and technological transformation class startup programming, power grid risk identification and control aspect.For being directly under the jurisdiction of the city-level electrical network, this programme can be fully applicable.For net, provincial power network, can according to its method of operation compilation principles, in conjunction with our unit's work convention, suitably still have good adaptability behind the regulation rule database.
The invention provides a kind of power system operating mode expert system, this system is based on present China power system operating mode characteristics, realize data sharing by Power MIS MIS and Real-time Data Center OPEN3000, design and the intelligent decision-making solution of one cover based on the power system operating mode expert system proposed, but this power system operating mode expert system possesses intelligence computation and the conventional medium-term and long-term work program of analysis ability specific office, authorized strength work report and scheme, the identification power grid risk specifically is that the generating run mode is single, formulate have a power failure plan and startup scheme, the early warning of issue power grid risk.Thereby improve the power supply reliability of electrical network, the work efficiency of raising scheduling and operating management department reaches the purpose of building intelligence, efficient, reliable electrical network.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, to come the relevant hardware of instruction to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process such as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or store-memory body (Random Access Memory, RAM) etc. at random.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a power system operating mode expert system is characterized in that, this system comprises: OPEN3000 system, mis system and data sharing interface;
The OPEN3000 system is used for the common information model according to its inside, needing to obtain shared electrical network parameter and electric network data by reading the CIM model, and connect ESB ESB by data sharing interface and carry out data output, or based on the expandable mark language XML of IEC61970 CIM/CIM derived data information;
The management information system mis system is used for based on data collection and the electrical network real time data that monitors that control/energy management system SCADA/EMS, Distribution Management System DMS, electric energy metered system TMR automated system gather, and the data message of described mis system comprises: overhauling project Back ground Information, maintenance unit information, application maintenance content and relevant project content;
Data sharing interface is used for according to the CIM standards system SCADA/EMS data integration of described OPEN3000 system and the data integration of described mis system being changed, finish sharing of data message, or for the opening of controlling the direct access rights of described mis system, it is integrated to finish data sharing by the method for direct access inscriptions on bones or tortoise shells oracle database.
2. power system operating mode expert system as claimed in claim 1, it is characterized in that, described data sharing interface is used for according to the CIM standards system SCADA/EMS data integration of described OPEN3000 system and the data integration of described mis system being changed, finish in the sharing of data message, described data sharing interface adopts the IEC61970 standard take CIM as the basis that various application-specific, various object modeling, variety of protocol are connected and changes.
3. power system operating mode expert system as claimed in claim 2, it is characterized in that described OPEN3000 system comprises: the real time information system platform and energy management system, Distribution Management System, WAMS and the public information platform four systems that are applicable to the various real-time application functions in dispatching center.
4. power system operating mode expert system as claimed in claim 1 is characterized in that, the data message that described OPEN3000 shares comprises three classes: system class, equipment class and energy management system EMS data;
System class comprises basic data, the power plant and substation's information of describing whole electric network model;
Equipment class comprises isolating switch information, disconnecting link information, bus information, transformer information, line information, generator information, information on load, capacitive reactance device information;
The EMS data comprise external network equivalent parameter and load prediction results and real time data and historical data.
5. such as each described power system operating mode expert system in the claim 1 to 4, it is characterized in that described power system operating mode expert system also comprises: calculation services module, regular maintenance module, result of calculation module, Report Forms Service module, web service module;
The calculation services module is used for that data message according to OPEN3000 system and mis system carries out that load prediction, trend are calculated, maintenance sequential, mode adjust;
The rule maintenance module is used for the computation rule of described calculation services module is safeguarded;
The result of calculation module is used for formulating the plan that has a power failure, mode list, startup scheme and risk management and control according to the result of calculation of described calculation services module;
Report Forms Service module and web service module, the result who is used for described result of calculation module is generated exports.
6. power system operating mode expert system as claimed in claim 5, it is characterized in that, the real time data information of described power system operating mode expert system adopts the one direction from the OPEN3000 system to mis system to obtain, do not allow the district's data writing to OPEN3000, all calculation services adopt the exclusive data interface shape to carry out in three districts.
7. power system operating mode expert system as claimed in claim 5 is characterized in that, this power system operating mode expert system also comprises method of operation administration module; Described method of operation administration module comprises to be supported graphic processing data is analyzed, unified to various electrical networks, and the integrated automatic Load Flow Calculation Software of this method of operation administration module is carried out the management of device parameter and the method for operation.
8. power system operating mode expert system as claimed in claim 7 is characterized in that, described method of operation administration module comprises: running mode data administrative unit, client-side management unit, applied analysis computing unit and report automatic generation unit four parts;
Described running mode data administrative unit is used for making up the database unified platform by the data sharing interface between OPEN3000 system and the mis system, for the different system data sharing;
Described client-side management unit is used for according to user's requirement, realizes user management, Case project management, client application and correlation function;
Described applied analysis computing unit is used for filtering out the feasible program that satisfies various constraints from the possible operating scheme of magnanimity, then forms multiobject prioritization scheme, makes operation planning have operability;
The automatic generation unit of described report, be used for according to relevant rules and relevant governing principle requirement, preset and formulate normalized form and report template, when treating the analytical calculation end-of-job of applied analysis computing unit, automatically from database, obtain result of calculation and integrate, conclude and analyze with other information, output to correspondence position in the form.
9. power system operating mode expert system as claimed in claim 8 is characterized in that, described running mode data administrative unit adopts information interaction between each heterogeneous platform of Web Service technical finesse; Adopt the dynamic Service page ASP technology establishment Web page to move at server end; Adopt the support of IIS Web server.
10. such as each described power system operating mode expert system in the claim 1 to 4, it is characterized in that, described system adopts classification and fractional constraint, specifically comprises: apparatus of load constraint, trend profile constraints, N-1 judge, electromagnetic looped network constraint, workload constraint, equipment room have a power failure relation, power off time arrangement and carry out basic power off time for particular device and manage.
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