CN101986331B - Power grid simulation calculation cooperative work system - Google Patents
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Abstract
The invention belongs to the field of power grid simulation and specifically relates to a power grid simulation calculation cooperative work system. The system comprises a web server positioned at the service end, a data management server, a data merging and downloading server, a digital conference server, one or more calculation servers, a set of web interface positioned at a client and a set of simulation software. With the utilization of the system, the efficiency of simultaneously carrying out power grid simulation calculation cooperative work by multiple people can be significantly improved.
Description
Technical field
The invention belongs to the grid simulation field, be specifically related to a kind of power grid simulation calculation cooperative work system.
Background technology
Grid simulation calculates and refers to the essential process that occurs by in mathematical models of power system and the border electric system of computer software algorithm reflex reality, is used for research operation of power networks characteristic and solves relevant issues.Mathematical models of power system comprises generator model, model of power transmission system, transformer model, power load model and miscellaneous equipment model.The computer software algorithm comprises trend calculating, transient stability calculating, little interference calculation, short circuit calculation etc.
Due to complicacy and the non-interruptibility of practical power systems operation, it is unrealistic directly carrying out test and study on its basis, therefore must be by modes such as physical simulation or Computer simulation calculating.Because the physical simulation cost is higher and process is complicated, the cycle is long, so Digital Simulation has calculated widespread use.
Domestic electric system mode and planning personnel generally use Based on Power System Analysis Software Package PSASP, power system analysis software BPA, carry out the grid simulation computational analysis.Some similar softwares such as PowerWorld etc. are abroad also arranged.These softwares can be arranged on a desktop computer or notebook and move, and software comprises the modules such as data storage, simulation calculation software and man-machine interface.The modes such as local data base, file are adopted in data storages usually, and simulation software comprises digital simulation calculation procedure commonly used, and man-machine interface comprises that data maintenance, grid graph show, calculate and control and the function such as form as a result.When the user uses simulation software, at first by man-machine interface, electric network data is entered in database or file, can draws electric network wiring scheme simultaneously, then carry out simulation calculation, check finally result after calculating is completed.If calculate unsuccessful or simulation result does not meet the demands, the data of can repeatedly modifying and the process of calculating, until the simulation calculation end-of-job.
Early stage electric system scale is smaller, maintenance and simulation calculation that people just can the complete independently electric network model on a machine.Along with the formation of transregional interconnected network and the continuous expansion of electrical network scale, operation characteristic and the scheduling controlling of electrical network become increasingly complex, and the data volume of emulation, calculated amount and maintenance workload sharply increase; In addition, along with the electrical network scale increases, single people is difficult to grasp and control the operation characteristic of this large scale electric network, must a plurality of people divide the work to coordinate, and jointly completes grid simulation and calculates.
Existing grid simulation instrument, comprise domestic Based on Power System Analysis Software Package PSASP, power system analysis software BPA, and external PowerWorld etc., all belonging to stand-alone software, suitable individual works alone.For the many people of above-mentioned needs, large scale electric network is carried out the work that associative simulation calculates, two kinds of mode of operations are arranged at present: a kind of pattern is that (these people may be from various parts of the country with everyone, they are very familiar to the regional power grid of being responsible for separately) convene together, then the electric network model data are contained on a machine, everyone is Update Table on machine in turn, after having changed Deng everyone, then calculate; Another kind of pattern is that everyone has a computing machine that simulation software and same electrical pessimistic concurrency control data are housed, modify according to the data of division of labor self-responsibility, and calculate, obtain a rational simulation result in part, and then merge to everyone data in the simulation software of a machine by instrument, then calculate on that machine, do not meet the demands if calculate, separately revise, remerge, calculate again again, perhaps transfer first kind of way to, until the simulation calculation success.The first pattern, during a personal work, other people wait for, efficiency is very low; The second pattern, need to carry out data merges, spend the regular hour and easily cause data to be made mistakes, in addition because electrical network is the integral body that electrical link is arranged, local data modification can have influence on whole result, even therefore everyone obtains rational simulation result, but data also there will be problem while being merged together, generally all to further adjust by the first pattern, just can obtain desirable result.As seen, use existing grid simulation instrument to cause work efficiency very low, be badly in need of improving.
Be incorporated herein following document as list of references of the present invention:
Su Li, Wu Guangning, Jiang Wei, yellow shake, Ren Zhichao, Yong Xiaoqing. based on the ac and dc systems Simulation of stability research [J] of BPA. protecting electrical power system and control, 2009,37 (2): 32-36.
Xu Ying, Shao Yuhuai, Xue Yongqiang, Ding Tianli. based on the stability of power system simulation analysis [J] of PSASP. Institutes Of Technology Of Taiyuan's journal, 2007,38 (3): 247-249.
Patent of invention: digital emulator of power system, application number: 03126461.1, inventor: Zhou Xiaoxin etc.
Summary of the invention
Purpose of the present invention will address the above problem exactly, proposes a kind of power grid simulation calculation cooperative work system.
A kind of power grid simulation calculation cooperative work system that the present invention proposes comprises:
The web server, coordinated management server, the data that are positioned at service end merge Download Server, digital session server, one or more database server, one or more calculation server, network system, be positioned at a cover web interface software and a cover simulation software of client, network system comprises for the LAN (Local Area Network) and the wide area network that are communicated with client and server, the user is by web interface software login power grid simulation calculation cooperative work system, revise and browsing data issue computations, inspection simulation result by the web interface software; The Web interface software sends to web server with the user to the request of data and calculating, and web server is transmitted to the coordinated management server with request, and the coordinated management server is carried out and asked and return and reply, and replys by web server and turns back to the web interface; The coordinated management server, according to the difference of request, is carried out different actions, and for the request of data module such as calling data management, the accessing database server, read or data writing; For computation requests, call the computing function that calculation server provides, obtain and return result of calculation; The coordinated management server, by call number Conference server the corresponding interface, provides the information interaction function to the user; The user is by the simulation software Update Table, and send the data to data and merge Download Server, this Download Server is again by calling the data management module of coordinated management server, write data into database server, also can, by data management module from the database server sense data, download in simulation software;
Web server is installed Web service software, provides system Web customer terminal webpage to browse function with operate services, client and server side data communication services, is that internet system is commonly used module;
The coordinated management server provides simulation calculation coordinated management function, comprises data management module, authority management module, log management module and Collaborative Control module;
Data management module provides inquiry, modification, conversion and the memory function of grid simulation compute dependent data; Authority management module provides the function of the user who uses cooperative operation system being authorized and operates control; Log management module provides the function that user's all operations is recorded, and the history that data are revised is reviewed; The Collaborative Control module provides the function to the workflow management of many people collaborative work on same data engineering, organization and administration, colony's perception and information interaction, and the Collaborative Control module is the core of cooperative operation system;
Calculation server is disposed the necessary computing module of electric system simulation, comprises that trend is calculated, transient stability calculates, the short circuit calculation module of little interference calculation;
Wherein, also have the digital session server module, it provides the media of communication in many ways of video, voice and word, thereby carries out collaborative work.
Wherein, the Web interface operates in client, adopts http protocol and each module communication of server side, provides the user of user's login, data management, Collaborative Control and result browsing function to use demonstration, operation and the administration interface of cooperative operation system.
Wherein, described data merge Download Server and are used for simulated program with the data merging or upload to cooperative operation system, perhaps the data of cooperative operation system are downloaded to the local emulation program.
The invention has the beneficial effects as follows: can significantly improve many people and carry out simultaneously the efficiency of grid simulation calculating collaborative work.
Description of drawings
In order to make content of the present invention by clearer understanding, and be convenient to the description of embodiment, below provide description of drawings related to the present invention as follows:
Fig. 1 is according to power grid simulation calculation cooperative work system structural representation of the present invention;
Fig. 2 is the coordinated management modular structure schematic diagram according to power grid simulation calculation cooperative work system of the present invention;
Fig. 3 shows the grid simulation compute dependent data according to power grid simulation calculation cooperative work system of the present invention;
Fig. 4 shows according to the data permission of power grid simulation calculation cooperative work system of the present invention and controls schematic diagram;
Fig. 5 shows the schematic flow sheet according to the collaborative work of power grid simulation calculation cooperative work system of the present invention.
Embodiment
Describe according to power grid simulation calculation cooperative work system of the present invention by implementation method below with reference to accompanying drawing.
System as shown in Figure 1 according to the embodiment of the present invention, comprise a web server being positioned at service end, a number of units according to management server, a number of units according to merging Download Server, a number of units word Conference server, one or more calculation server, be positioned at a cover web interface and a cover simulation software of client, network system is not limited to LAN (Local Area Network) and wide area network, as long as can be together with client and service end.
Web server
Web server is installed Web service software, provides system Web customer terminal webpage to browse and the functions such as operate services, client and server side data communication services, is Internet service system module commonly used.
The coordinated management server
The coordinated management server provides simulation calculation coordinated management function, comprises data management module, authority management module, log management module and Collaborative Control module.The coordinated management functional module as shown in Figure 2.
Data management module:
Data management module provides inquiry, modification, conversion and the memory function of grid simulation compute dependent data.The data that grid simulation relates to have two large classes: a class be electrical network basic model data (abbreviation basic data), another kind of be various simulation calculation desired datas (abbreviation computational datas), computational data comprises and calculates the input data and calculate output data (claiming again calculation result data).Basic data has been described basic model and parameter information and the necessary organization and administration information of electrical network, and it is the basis that forms various computational datas.The input data are to extract different records and different parameters according to user's definition from basic data, and have increased a sets of data of calculating and setting information.The input data after calculating, obtain calculation result data, as shown in Figure 3.Computational data is different according to compute type, comprises the various computational datas such as trend computational data (abbreviation flow data), transient stability computational data (being called for short temporarily steady data), little interference calculation data, voltage stabilization computational data.The grid simulation data are organized by engineering, and an engineering comprises a cover basic data and many cover computational tasks.For convenient management, basic data and calculating input data all are placed in database, and calculating output data take up space larger, can be placed in database as required, or put hereof.
Authority management module:
The data volume of large scale electric network is larger, manage according to zone and electric pressure, and different people is in charge of the electric network data of zones of different and different electric pressures.Authority management module provides the function of the user who uses cooperative operation system being authorized and operates control, and authority comprises authority that data are managed, calculate and the authority of other operating function.But data permission comprises read-only and write permission, and the read-only authority of data is authorized to the user, and the expression user can browse these data, but can not Update Table, but write permission represents that the user can Update Table, but write permission has comprised read-only authority.The control of data permission as shown in Figure 4, but certain user has been awarded the write permission to read-only authority and the 110kV electric pressure equipment of 220kV electric pressure equipment, but and the read-only authority of the write permission of subregion 2 and subregion 3, subregion 4.But this user has just had the write permission to the 110kV equipment of subregion 2; To the read-only authority of the 220kV equipment of subregion 2, to the read-only authority of the 110kV equipment of subregion 3 and subregion 4; , without any authority, be sightless to miscellaneous equipment.Calculate authority and represent the authority whether user can calculate, can authorize each dissimilar calculating and each operation, generally only allow a people to possess the authority of calculating when collaborative, what can guarantee like this to work in coordination with is orderly.
Log management module:
Log management module provides the function that user's all operations is recorded, and can conveniently to data, revise history and review.The content of log recording comprises data content of user name, running time, operating function, modification etc.Daily record can be inquired about, but can not revise, and only has the keeper to carry out schedule backup and deletion according to the daily record usage space.
The Collaborative Control module:
The Collaborative Control module provides functions such as the workflow management of many people collaborative work on same data engineering, organization and administration, colony's perception, information interactions, and the Collaborative Control module is the core of cooperative operation system.
Workflow management, by workflow mechanism, is coordinated the related personnel and is carried out work.Workflow management comprises process formulation, flow process supervision and process log etc.Collaborative personnel can, according to need of work, formulate different workflows by the workflow management module, and select certain flow process to carry out collaborative work; The supervision that provides whole flow performing process and state is provided flow process, makes the flow process participant be well understood to oneself position, role, responsibility and task on stream, guarantees collaborative work circulation smoothly between all participants.Process log gets off the circulation of whole flow process and operation note, is convenient to consulting, sum up, analyze, improving and supervising flow process.
Organization and administration refer to the personnel that participate in flow process are organized, and whole collaborative processes is managed.System will participate in collaborative personnel and be divided into two kinds of roles, and one is group leader role, and another is group member role.Participate in collaborative personnel and comprise hyte length and a multidigit group member.Group leader has the right to determine which user can participate in working in coordination with, and group leader authorizes different authorities for every hyte person.Only have group leader to have the right to enable and finish collaborative work and flow process.
Colony's perception collaborative personnel that can let on understand state and work progress separately.Collaborative personnel can both understand current engineering by interface has How many people just in collaborative work, and everyone duty, as online, receive an assignment, execute the task, finish the work, leave etc.In collaborative work, everyone can both in time pass to each collaborative personnel to the modification of data, the information that calculating produces.The information exchange of data modification is crossed interfaces windows and is in time rolled and refresh, and collaborative personnel can select all to browse or by filtering, only show the information that oneself is concerned about; Pilot process, iterative information and result of calculation that trend is calculated can be passed through window, not only are shown in real time and submit the people who calculates to, comprise that also other participate in collaborative people.The calibration curve information that produces in temporarily steady computation process also is shown to all collaborative personnel's interface in real time, can monitor easily the variation tendency of each device data.The content of colony's perception is not limited to this, can also comprise other relevant information that collaborative personnel are concerned about.
Information interaction is used for transmitting operational order and the response message between group leader and group member, is to coordinate and guarantee the important means that whole collaborative work is normally carried out in order.Operational order and response message are undertaken alternately by modes such as voice and words, can pass to all and participate in collaborative people, or select one of them people or some people.
The detailed process of flow process is below described, as shown in Figure 5 with an example.Step 1, group leader creates a flow process; Step 2, group leader fills in collaborative requirement of calculating; Step 3, group leader issues collaborative calculation task; Step 4, all collaborative personnel receive task, then execute the task and namely revise the data of being responsible for separately, and data modification is completed rearmounted end mark.In this process, collaborative personnel can understand duty by colony's perceptional function, by the information interaction function, indefinite mission requirements are done further communication; Step 5, after everyone completed data modification, group leader started computing function, and collaborative personnel can understand process and the result of calculating by colony's perceptional function this moment.If calculate successfully, group leader can process ends., if calculate unsuccessfully, forward step 2 to and continue works, until collaborative work finishes.
Calculation server
Calculation server comprises one or more server, can carry out single task calculating, parallel computation or Distributed Calculation.Calculation server is disposed the necessary calculation procedure of electric system simulation, comprises trend calculating, transient stability calculating, little interference calculation, short circuit calculation etc.Calculation server, from computations and calculating input data that the coordinated management server sends, calls calculation procedure, then result of calculation is returned to the coordinated management server.
The digital session server
The digital session server is optional module, can assist the staff to carry out collaborative work.Digital conference system provides many people media of communication such as video, voice, word, and the function such as also provide that desktop is shared, document sharing, procedure sharing, blank are shared is the collaborative work instrument of commonly using, and helps carrying out smoothly of simulation calculation collaborative work.
The Web interface
The Web interface operates in client, adopts http protocol and each module communication of server side, provides the users such as user's login, data management, Collaborative Control, result browsing to use demonstration, operation and the administration interface of cooperative operation system.The user, as long as by network, be connected to the simulation calculation cooperative operation system, need not to download and installation procedure, just can use system works.
The local emulation program
The local emulation program is to overlap independently software, comprise for carry out the needed various functions of electric system simulation (being similar to the softwares such as existing Based on Power System Analysis Software Package PSASP and power system analysis software BPA) in this locality, and the instrument that local data and simulation calculation cooperative operation system are carried out data interaction.The user can download to this locality with the data of cooperative operation system, then with local emulation software, calculates; Perhaps local data is merged/upload to cooperative operation system, then with the Web interface of cooperative operation system, carry out work.The local emulation program is mainly that the user needs independently to carry out big data quantity and changes and calculate, employing in the time of perhaps can't being connected to cooperative operation system and working online.The local emulation program is supplementing the simulation calculation cooperative operation system.
Data merge Download Server
Data merge Download Server, for the local emulation program, data are merged/upload to cooperative operation system, perhaps the data of cooperative operation system are downloaded to the local emulation program., because the data volume that merges and download is larger, therefore adopt the communication port different from Web server.
The above by special embodiment content description the present invention, but those skilled in the art also can recognize the multiple possibility of modification and optional embodiment, for example, by combination and/or change the feature of single embodiment.Therefore, be understandable that these modification and optional embodiment will be considered as included in the present invention, scope of the present invention is enclosed patent claims and coordinator restriction thereof only.
Claims (5)
1. power grid simulation calculation cooperative work system is characterized in that comprising:
The web server, coordinated management server, the data that are positioned at service end merge Download Server, digital session server, one or more database server, one or more calculation server, network system, be positioned at a cover web interface software and a cover simulation software of client, network system comprises for the LAN (Local Area Network) and the wide area network that are communicated with client and server, the user is by web interface software login power grid simulation calculation cooperative work system, revise and browsing data issue computations, inspection simulation result by the web interface software; The Web interface software sends to web server with the user to the request of data and calculating, and web server is transmitted to the coordinated management server with request, and the coordinated management server is carried out and asked and return and reply, and replys by web server and turns back to the web interface; The coordinated management server, according to the difference of request, is carried out different actions, and for the request of data module such as calling data management, the accessing database server, read or data writing; For computation requests, call the computing function that calculation server provides, obtain and return result of calculation; The coordinated management server, by call number Conference server the corresponding interface, provides the information interaction function to the user; The user is by the local emulation software change data, and send the data to data and merge Download Server, this Download Server is again by calling the data management module of coordinated management server, write data into database server, also can, by data management module from the database server sense data, download in local emulation software;
Web server is installed Web service software, provides system Web customer terminal webpage to browse function with operate services, client and server side data communication services, is that internet system is commonly used module;
The coordinated management server provides simulation calculation coordinated management function, comprises data management module, authority management module, log management module and Collaborative Control module;
Data management module provides inquiry, modification, conversion and the memory function of grid simulation compute dependent data; Authority management module provides the function of the user who uses cooperative operation system being authorized and operates control; Log management module provides the function that user's all operations is recorded, and the history that data are revised is reviewed; The Collaborative Control module provides the function to the workflow management of many people collaborative work on same data engineering, organization and administration, colony's perception and information interaction, and the Collaborative Control module is the core of cooperative operation system;
Calculation server is disposed the necessary computing module of electric system simulation, comprises that trend is calculated, transient stability calculates, the short circuit calculation module of little interference calculation.
2. the system as claimed in claim 1, it is characterized in that: also have the digital session server module, it provides the media of communication in many ways of video, voice and word, thereby carries out collaborative work.
3. system as claimed in claim 2, it is characterized in that: the Web interface operates in client, adopt http protocol and each module communication of server side, provide the user of user's login, data management, Collaborative Control and result browsing function to use demonstration, operation and the administration interface of cooperative operation system.
4. described system as arbitrary in claim 1-3 is characterized in that: described data merge Download Server and are used for simulated program data are merged or upload to cooperative operation system, perhaps the data of cooperative operation system are downloaded to local emulation software.
5. system as claimed in claim 4, it is characterized in that: described coordinated management server comprises:
Authority management module:
The data of large scale electric network will manage according to zone and electric pressure, and different people is in charge of the electric network data of zones of different and different electric pressures; Authority comprises authority that data are managed, calculate and the authority of other operating function; But data permission comprises read-only and write permission, and the read-only authority of data is authorized to the user, and the expression user can browse these data, but can not Update Table, but write permission represents that the user can Update Table, but write permission has comprised read-only authority; Calculate authority and represent the authority whether user can calculate, can authorize each dissimilar calculating and each operation, only allow a people to possess the authority of calculating when collaborative, what can guarantee like this to work in coordination with is orderly;
Log management module:
The content of log recording comprises the data content of user name, running time, operating function and modification; Daily record can be inquired about, but can not revise, and only has the keeper to carry out schedule backup and deletion according to the daily record usage space.
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| CN103679557B (en) * | 2013-12-17 | 2016-09-21 | 国网宁夏电力公司电力科学研究院 | Power system operating mode data management system based on C/S framework and its implementation |
| CN104035981B (en) * | 2014-05-27 | 2017-12-01 | 广东电网有限责任公司教育培训评价中心 | The method and system that electric system simulation data are optimized based on XML |
| CN105809316A (en) * | 2014-12-31 | 2016-07-27 | 国家电网公司 | Power grid simulation calculation data platform and simulation method therefor |
| CN104750928A (en) * | 2015-03-30 | 2015-07-01 | 东南大学 | Online simulation method based on B/S network structure mode |
| CN104836858B (en) * | 2015-05-14 | 2019-01-15 | 上海核工程研究设计院 | A kind of electronic regulation system of support team's cooperation |
| CN107885896A (en) * | 2016-09-30 | 2018-04-06 | 中国电力科学研究院 | The optimization method and optimization device of a kind of electric power system transient stability simulation curve |
| CN106557616B (en) * | 2016-10-26 | 2020-06-16 | 珠海许继芝电网自动化有限公司 | Low-voltage drawing system |
| CN106708995A (en) * | 2016-12-19 | 2017-05-24 | 中国电力科学研究院 | Multi-dimensional management method and system for power grid simulation calculation data |
| JP6979274B2 (en) * | 2017-02-27 | 2021-12-08 | 株式会社東芝 | Work schedule range visualization device and work schedule range visualization method |
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| CN107480947A (en) * | 2017-08-11 | 2017-12-15 | 广东电网有限责任公司信息中心 | One kind collaboration system for writing and compiling |
| CN109614706A (en) * | 2018-12-11 | 2019-04-12 | 中国航空工业集团公司成都飞机设计研究所 | A kind of numeral simulation analysis management system |
| CN109636064A (en) * | 2018-12-26 | 2019-04-16 | 中国电力科学研究院有限公司 | Support the Study on Power Grid Planning scheme generation method and device of multi-person synergy operation |
| CN112445151A (en) * | 2020-12-09 | 2021-03-05 | 清华大学 | MBD-oriented control system collaborative simulation and design platform |
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