CN102117449A - Dynamic verification and soft handover method for online state entering of power grid model - Google Patents
Dynamic verification and soft handover method for online state entering of power grid model Download PDFInfo
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Abstract
The invention discloses a dynamic verification and soft handover method for the online state entering of a power grid model, which belongs to the technical field of power grid model management of a power system. The method is characterized in that: the updated data of the power grid model in a scheduling system may not directly enter an online state in an operation system, and can be downloaded into a real-time database of the operation system only after static model verification and dynamic model verification; when the verified model enters the online state, only incremental model data is downloaded by adopting a real-time database row-level dynamic downloading technology, thereby realizing the seamless soft handover of the power grid model; and a model returning mechanism is provided, and the by-the-user verification and enabling of the model is supported, so the parallelism of operations of a plurality of users is ensured, and the consistency of the data of the model is also ensured. By the method provided by the invention, the accuracy of the model can be maximally ensured, the model is ensured not to influence the real-time operation system in the online state entering process to realize disturbance-free online state entering, and the operation reliability and continuity of an online system are ensured.
Description
Technical field
The invention belongs to electric system electric network model administrative skill field, refer to a kind of online dynamic authentication and soft handover method of electric network model throwing that be used for especially.
Background technology
Along with the construction of North China, east and central China electrical network (being called for short: " three China ") extra-high voltage synchronised grids, power network development enters the new stage, and the electrical network characteristic presents integrated feature.Integrated model management Study on Technology is used for the analysis and decision class of intelligent scheduling complete, consistent, accurate, timely, reliable integrated model and basic data is provided, and is one of gordian technique of intelligent scheduling.
Electric network model is thrown online being meant in dispatching system, and the electric network model of revising is put in the real-time system of on-line operation by off-line state.The electric network model modeling of dispatching system at present has online or off-line is set up two kinds of methods, and line modeling is convenient and simple, but the correctness of model can't verify, influences the reliability of system; And off-line modeling is only supported the static checking of off-line at present, lacks off-line dynamic authentication technology, only can contents such as annexation, Rational Parameters simply be checked, comprehensively the correctness of verification model; Existing in addition model is thrown online general use hard-switching technology, lacks model protection and controlling mechanism in the handoff procedure.
Summary of the invention
Technical matters to be solved by this invention provides a kind of electric network model that is used for and throws online dynamic authentication and soft handover method.
For overcoming the above problems, the invention provides a kind of electric network model that is used for and throw online dynamic authentication and soft handover method, it is characterized in that, comprise the following step:
1) user carries out the model data modification by all kinds of model editing tools, and the result of modification is saved in the relational database;
2) the static checking of the model in rule-based storehouse to check all kinds of logic errors under the off-line state, comprises that the equipment coefficient is filled in out-of-limit, preposition period repetition, title does not meet Naming conventions etc.;
3) after static checking is passed through, utilize the following dress function of real-time storehouse service, incremental data is write the real-time storehouse of test attitude, carry out dynamic data authentication then, dynamic authentication adopts power system state estimation method, carry out automatic verification to upgrading the back data, check whether state estimation restrains, whether result of calculation is reasonable etc.;
4) after dynamic authentication was passed through, incremental data just can feed into down in the real-time storehouse of the real-time attitude of on-line system, uses for the on-line operation system;
5) any one-time authentication does not pass through in the handoff procedure, all can return to original state by the model fallback mechanism.
Aforesaid a kind of electric network model that is used for is thrown online dynamic authentication and soft handover method, it is characterized in that: in described step 2) in, in the static checking of the model in rule-based storehouse, but the regular extendible dynamic-configuration in the rule base: increase as required, the rule in the deletion rule storehouse, or in the rule base rule strong and weak degree be configured, to adapt to the needs of different stage dispatching system.
Aforesaid a kind of electric network model that is used for is thrown online dynamic authentication and soft handover method, it is characterized in that: in described step 5), in the model soft switching process, the model rollback is supported single step or multistep rollback.
Aforesaid a kind of electric network model that is used for is thrown online dynamic authentication and soft handover method, it is characterized in that: in described step 4), the incremental model data are passed through to verify when throwing is online, adopt the dynamic method of dress down of row level in real-time storehouse, promptly only adorn the static device Attribute domain of incremental model down, to the static attribute of existing equipment and dynamic measurement value without any influence, thereby realize the seamless soft handover of electric network model, guarantee the continuity of data.
Principle of work of the present invention is:
When in dispatching system, electric network model being upgraded, at first upgrade dispatching system relationship model storehouse, after concerning that the storehouse renewal is finished, carry out static data authentication to concerning the data in the storehouse, to check all kinds of logic errors under the off-line state, fill in such as the equipment coefficient that out-of-limit, preposition period repeats, title does not meet Naming conventions etc.If static checking is not passed through, then need revise until checking and pass through mistake.After static checking is passed through, utilize the following dress function of real-time storehouse service, incremental data is write the real-time storehouse of test attitude, carry out dynamic data authentication then, dynamic authentication adopts power system state estimation method, carry out automatic verification to upgrading the back data, check whether state estimation restrains, whether result of calculation is reasonable etc.Dynamic authentication is not passed through by revising until checking mistake equally.After dynamic authentication was passed through, incremental data just can feed into down in the real-time storehouse of the real-time attitude of on-line system, uses for the on-line operation system.Any one-time authentication does not pass through in the handoff procedure, all can return to original state by the model fallback mechanism, and can not influence on-line system.
Model after dynamic authentication is passed through is thrown when online, the method that adopts real-time storehouse row level dynamically to adorn down, the i.e. static device Attribute domain of dress incremental model only down, to the static attribute of existing equipment and dynamic measurement value without any influence, thereby realize the seamless soft handover of electric network model.
The beneficial effect that the present invention reached:
Data after electric network model upgrades in the dispatching system can directly not thrown online in operational system, need just can install to the real-time storehouse of operational system down by after static and the dynamic data authentication; The static state of model is verified rule-based storehouse, but and the regular extendible dynamic-configuration in the rule base, to adapt to the needs of different stage dispatching system; The dynamic authentication of model adopts method for estimating state, carries out automatic verification to upgrading the back model data, checks whether state estimation restrains, and whether result of calculation is reasonable etc.; Model after the checking is thrown when online, adopts real-time storehouse row level dynamically to descend packing technique, and dress incremental model data down only realize the seamless soft handover of electric network model; The fallback mechanism that supplies a model, when finding that model data is wrong, but rollback is to original state; Support to divide user rs authentication, enable model, both guaranteed the concurrency of multi-user operation, guarantee the consistance of model data again.
The off-line dynamic authentication technology of model can at utmost guarantee the correctness of model, the model soft handover technology of enabling can guarantee that the model throwing can not impact the real time execution system in line process, realize that no disturbance throwing is online, guarantee on-line system reliability of operation and continuity.
Description of drawings
Fig. 1 throws online dynamic authentication and soft handover method process flow diagram for a kind of electric network model that is used for of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.Fig. 1 throws the online dynamic authentication and the process flow diagram of soft handover method for a kind of electric network model that is used for of the present invention.
Treatment scheme of the present invention is:
When flow process began, the user carried out model data by all kinds of model editing tools and revises, and the result of modification is saved in the relational database, after model data is revised and finished, entered the static checking of model link.
The content that the static checking of model will be revised according to model data is mated each the bar rule in the proof rule storehouse one by one, exports the model data that breaks the rules at last.If static checking is all passed through, then the incremental model data are written to the real-time storehouse of test attitude; Otherwise can select rollback or revise model data.
After the static checking of model is all passed through, the mode that incremental model is dynamically adorned down by real-time storehouse row level is written to the real-time storehouse of test attitude, in the real-time lab environment of test attitude, adopt power system state estimation method, carry out automatic verification to upgrading the back data, check whether state estimation restrains, whether result of calculation is reasonable etc.If dynamic authentication is passed through, then the incremental model data are written to the real-time storehouse of real-time attitude; Otherwise can select rollback or revise model data.
After the model dynamic authentication was passed through, the mode that incremental model is dynamically adorned down by real-time storehouse row level was written to the real-time storehouse of real-time attitude, realized that the incremental model throwing is online.
In the said process, when modelling verification is passed through, but model data is revised in preference pattern rollback or continuation.If the preference pattern rollback can be revised the preceding state of beginning with electric network model rollback to model data, flow process finishes.Otherwise continue to revise model, once more checking.
The present invention is illustrated according to the preferred embodiment, should be appreciated that the foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that form obtained of replacement or equivalent transformation, all drop within protection scope of the present invention.
Claims (4)
1. one kind is used for online dynamic authentication and the soft handover method of electric network model throwing, comprises the following step:
1) user carries out the model data modification by all kinds of model editing tools, and the result of modification is saved in the relational database;
2) the static checking of the model in rule-based storehouse to check all kinds of logic errors under the off-line state, comprises that the equipment coefficient is filled in out-of-limit, preposition period repetition, title does not meet Naming conventions;
3) after static checking is passed through, utilize the following dress function of real-time storehouse service, incremental data is write the real-time storehouse of test attitude, carry out dynamic data authentication then, dynamic authentication adopts power system state estimation method, carry out automatic verification to upgrading the back data, check whether state estimation restrains, and whether result of calculation is reasonable;
4) after dynamic authentication is passed through, feed under the incremental data in the real-time storehouse of the real-time attitude of on-line system, use for the on-line operation system;
5) any one-time authentication does not pass through in the model soft switching process, all returns to original state by the model fallback mechanism.
2. a kind of electric network model that is used for according to claim 1 is thrown online dynamic authentication and soft handover method, it is characterized in that: in described step 2) in, in the static checking of the model in rule-based storehouse, but the regular extendible dynamic-configuration in the rule base: increase as required, the rule in the deletion rule storehouse, or in the rule base rule strong and weak degree be configured, to adapt to the needs of different stage dispatching system.
3. a kind of electric network model that is used for according to claim 1 is thrown online dynamic authentication and soft handover method, it is characterized in that: in described step 5), in the model soft switching process, the model rollback is supported single step or multistep rollback.
4. a kind of electric network model that is used for according to claim 1 is thrown online dynamic authentication and soft handover method, it is characterized in that: in described step 4), the incremental model data are passed through to verify when throwing is online, adopt the dynamic method of dress down of row level in real-time storehouse, promptly only adorn the static device Attribute domain of incremental model down.
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| CN103237077A (en) * | 2013-04-26 | 2013-08-07 | 国电南瑞科技股份有限公司 | Cloud computing technology-based unified maintenance and on-demand sharing method for power grid models |
| CN103577938A (en) * | 2013-11-15 | 2014-02-12 | 国家电网公司 | Power grid dispatching automation main-and-standby system model synchronizing method and synchronizing system thereof |
| CN104361095A (en) * | 2014-11-20 | 2015-02-18 | 国电南瑞科技股份有限公司 | Dual-system-based graph-model data management method for power distribution network |
| CN104932925A (en) * | 2015-07-06 | 2015-09-23 | 许继集团有限公司 | Power grid monitoring system realtime database update method |
| CN105630850A (en) * | 2014-11-27 | 2016-06-01 | 阿里巴巴集团控股有限公司 | Method and system for verifying data of distributed database in real time |
| CN106250528A (en) * | 2016-08-05 | 2016-12-21 | 国电南瑞科技股份有限公司 | The split-join model checked online based on application standby machine is thrown at line method |
| CN107533329A (en) * | 2015-04-21 | 2018-01-02 | 西门子公司 | The method and system of cross discipline data verification inspection in multidisciplinary engineering system |
| CN111079284A (en) * | 2019-12-12 | 2020-04-28 | 北京中电普华信息技术有限公司 | Power grid global logic data model verification method, device, server and medium |
| CN112381363A (en) * | 2020-10-28 | 2021-02-19 | 广西电网有限责任公司贺州供电局 | Intelligent navigation method and system for power grid accident handling |
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| CN106250528B (en) * | 2016-08-05 | 2019-06-21 | 国电南瑞科技股份有限公司 | It is thrown based on the split-join model checked online using standby machine in line method |
| CN106250528A (en) * | 2016-08-05 | 2016-12-21 | 国电南瑞科技股份有限公司 | The split-join model checked online based on application standby machine is thrown at line method |
| CN111079284A (en) * | 2019-12-12 | 2020-04-28 | 北京中电普华信息技术有限公司 | Power grid global logic data model verification method, device, server and medium |
| CN112381363A (en) * | 2020-10-28 | 2021-02-19 | 广西电网有限责任公司贺州供电局 | Intelligent navigation method and system for power grid accident handling |
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