CN102855271A - Storage and traceable management method for multi-version power grid model - Google Patents
Storage and traceable management method for multi-version power grid model Download PDFInfo
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Abstract
The invention provides a storage and traceable management method for a multi-version power grid model. The storage and traceable management method comprises the following steps of: establishing a model base sheet in a distributed database and maintaining information of the model base sheet; leading a local initial model and an initial model of the whole network into the distributed database; if a certain local model is changed, generating a structured 1uery language (SQL) increment file, executing SQL operation in batches to store the new version local model and the whole network model into the distributed database; and traceably managing the multi-version power grid model. By the method, the multi-version power grid model can be effectively managed, and only increments are stored, and redundancy is not stored; and furthermore, due to data distributed storage, when the data amount of the model base sheet is increased, the query access speed can be obviously increased.
Description
Technical field
The invention belongs to the control technique in power system field, but be specifically related to a kind of storage and tracing management method of many versions electric network model.
Background technology
Electric network model has reflected the connection status of electrical network physical equipment, and model also needed to make corresponding modification when change occured physical equipment.In the production environment, normally carry out the modification of off-line, and after finishing a series of verifications, legal model and corresponding database thereof, picture, concordance list etc. are dropped into on-line operation.Production run will produce the model bank of many versions, and classic method is that the model bank table is exported to file, then name according to the time, but version be easily chaotic on the one hand for this method, and the data redundancy amount is large on the other hand.
In addition, support the requirement of the supporting system technologies at different levels of large operation architecture according to State Grid Corporation of China " three collection five large " System Construction, unified, complete, electric network model is its basic condition accurately.At present to set up the classic method of electric network model be Independent modeling, external network equivalent and multipole model splicing in each dispatching center, has in the new process of actual motion that the partial model exchange is untimely, model and a problem such as real time data is not mated, model combination efficient is not high.
Therefore, realize that many versions electric network model is unified store and management significant to the lexical analysis level that promotes whole electrical network.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, but the invention provides a kind of storage and tracing management method of many versions electric network model, can be effectively to the managing of many versions electric network model, and only store increment, do not have redundancy; In addition, the data distributed storage, when model bank table data volume increased, queried access speed can significantly improve.
In order to realize the foregoing invention purpose, the present invention takes following technical scheme:
But a kind of storage of many versions electric network model and tracing management method said method comprising the steps of:
Step 1: model of creation storehouse table in distributed data base, and Maintenance Model storehouse table information;
Step 2: the initial model in area and the initial model of the whole network are imported distributed data base;
Step 3: if the regional model change then generates the SQL delta file, the batch SQL statement interface that utilizes distributed data base to provide is carried out the SQL operation, and redaction regional model and the whole network model are stored in the described distributed data base;
Step 4: but many versions of tracing management electric network model.
In the described step 1, the SQL access interface model of creation database table structure in distributed data base that provides according to distributed data base.
The structure of described model bank table is fixed, and during system initialization, creates statically area and the whole network model bank table in described distributed data base, with the tableInfo table model bank table information is managed simultaneously.
In the described step 2, the initial model in area and the initial model of the whole network are imported distributed data base by the CIM/E form.
Described distributed data base realizes based on the database Hbase that increases income that is structured on the Hadoop, with key-value pair＜rowkey, and value〉form storage data.
Can the attribute of described tableInfo table comprises be sky, data type, data length and major key whether; The name form of described rowkey is＜domain name+model bank table name+row name 〉.
Described distributed data base encapsulation Hbase Basic API provides the stsndard SQL access interface, shows to create in described distributed data base and the increasing, delete, change and look into of data with standard SQL language.
In the described step 3, utilize the row TimeStamp of Hbase to realize the management of time dimension model version based on the distributed data base that Hbase realizes; When carrying out redaction regional model and the whole network model storage operation, stamp unified TimeStamp according to the version submission time for the incremental data of redaction, and create in addition table in order to the mapping relations of maintenance release submission time and version number.
In the described step 4, but the tracing management of many versions electric network model comprises the management to time dimension, Spatial Dimension and application dimension.
But undertaken in the tracing management by time dimension, by time during the management multi-version electric network model, directly access model bank table corresponding in the described distributed data base, carry out data scanning according to timestamp; During by version number's management multi-version electric network model, access first the VersionInfo table, the submission time that version query this shop is corresponding visits again model bank table corresponding in the distributed data base and obtains model data.
But undertaken in the tracing management by Spatial Dimension, the name form of showing in the described distributed data base is＜homophony name+model bank table name 〉, distributed data base provides the interface by regional information access electric network model, supports lower dress, issue and calculation services to different regions model and the whole network model.
But undertaken in the tracing management by using dimension, distributed data base provides single table access interface and configurable access multilist interface, to different application by correlation table corresponding to the arbitrary old version different application of configuration access, but realize to use the tracing management of dimension.
Compared with prior art, beneficial effect of the present invention is:
1. realize unified storage and the unified access of each department and the whole network model;
2. satisfy the electric network model management of retrospective many versions;
3. the miscellaneous editions of electric network model is only stored increment, does not have redundancy;
4. data distributed storage, when model bank table data volume increased, queried access speed can significantly improve;
5. support the services such as lower dress based on many versions electric network model of unified storage, issue, calculating;
6. method is simple and reliable, easily carries out.
Description of drawings
But Fig. 1 is the storage and tracing management method schematic diagram of many versions electric network model in the embodiment of the invention;
Fig. 2 is model bank table maintenance of information schematic diagram in the distributed data base in the embodiment of the invention;
Fig. 3 is the data-mapping figure of model bank and distributed data base in the embodiment of the invention;
But Fig. 4 is the schematic diagram that by time dimension many versions electric network model is carried out tracing management in the embodiment of the invention;
But Fig. 5 is the schematic diagram that by Spatial Dimension many versions electric network model is carried out tracing management in the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Such as Fig. 1-Fig. 5, but a kind of storage of many versions electric network model and tracing management method said method comprising the steps of:
Step 1: model of creation storehouse table in distributed data base, and Maintenance Model storehouse table information;
Step 2: the initial model in area and the initial model of the whole network are imported distributed data base;
Step 3: if the regional model change then generates the SQL delta file, the batch SQL statement interface that utilizes distributed data base to provide is carried out the SQL operation, and redaction regional model and the whole network model are stored in the described distributed data base;
Step 4: but many versions of tracing management electric network model.
In the described step 1, the SQL access interface model of creation database table structure in distributed data base that provides according to distributed data base.
The structure of described model bank table is fixed, and during system initialization, static area and the whole network model bank table of creating in described distributed data base manages model bank table information with the tableInfo table simultaneously.
In the described step 2, the initial model in area and the initial model of the whole network are imported distributed data base by the CIM/E form.
Described distributed data base realizes based on the database Hbase that increases income that is structured on the Hadoop, and its key assignments is with＜rowkey, value〉form storage data.
Can the attribute of described tableInfo table comprises be sky, data type, data length and major key whether; The name form of described rowkey is＜domain name+model bank table name+row name 〉.
Described distributed data base encapsulation Hbase Basic API provides the stsndard SQL access interface, shows to create in described distributed data base and the increasing, delete, change and look into of data with standard SQL language.
In the described step 3, utilize the row TimeStamp of Hbase to realize the management of time dimension model version based on the distributed data base that Hbase realizes; When carrying out redaction regional model and the whole network model storage operation, stamp unified TimeStamp according to the version submission time for the incremental data of redaction, and create in addition table in order to the mapping relations of maintenance release submission time and version number.
In the described step 4, but the tracing management of many versions electric network model comprises the management to time dimension, Spatial Dimension and application dimension.
But undertaken in the tracing management by time dimension, by time during the management multi-version electric network model, directly access model bank table corresponding in the described distributed data base, carry out data scanning according to timestamp; During by version number's management multi-version electric network model, access first the VersionInfo table, the submission time that version query this shop is corresponding visits again model bank table corresponding in the distributed data base and obtains model data.
But undertaken in the tracing management by Spatial Dimension, the name form of showing in the described distributed data base is＜homophony name+model bank table name 〉, distributed data base provides the interface by regional information access electric network model, supports lower dress, issue and calculation services to different regions model and the whole network model.
But undertaken in the tracing management by using dimension, distributed data base provides single table access interface and configurable access multilist interface, to different application by correlation table corresponding to the arbitrary old version different application of configuration access, but realize to use the tracing management of dimension.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (12)
1. but the storage of version electric network model more than a kind and tracing management method is characterized in that: said method comprising the steps of:
Step 1: model of creation storehouse table in distributed data base, and Maintenance Model storehouse table information;
Step 2: the initial model in area and the initial model of the whole network are imported distributed data base;
Step 3: if the regional model change then generates the SQL delta file, the batch SQL statement interface that utilizes distributed data base to provide is carried out the SQL operation, and redaction regional model and the whole network model are stored in the described distributed data base;
Step 4: but many versions of tracing management electric network model.
2. but the storage of many versions electric network model according to claim 1 and tracing management method is characterized in that: in the described step 1, and the SQL access interface model of creation database table structure in distributed data base that provides according to distributed data base.
3. but the storage of many versions electric network model according to claim 2 and tracing management method, it is characterized in that: the structure of described model bank table is fixed, during system initialization, in described distributed data base, create statically area and the whole network model bank table, with the tableInfo table model bank table information is managed simultaneously.
4. but the storage of many versions electric network model according to claim 1 and tracing management method is characterized in that: in the described step 2, the initial model in area and the initial model of the whole network are imported distributed data base by the CIM/E form.
5. but the storage of many versions electric network model according to claim 1 and tracing management method, it is characterized in that: described distributed data base realizes based on the database Hbase that increases income that is structured on the Hadoop, with key-value pair＜rowkey, value〉form storage data.
6. but it is characterized in that according to claim 3 or the storage of 5 described many versions electric network models and tracing management method: can the attribute of described tableInfo table comprises be sky, data type, data length and major key whether; The name form of described rowkey is＜domain name+model bank table name+row name 〉.
7. but the storage of many versions electric network model according to claim 5 and tracing management method, it is characterized in that: described distributed data base encapsulation Hbase Basic API, the stsndard SQL access interface is provided, in described distributed data base, shows to create and the increasing, delete, change and look into of data with standard SQL language.
8. but the storage of many versions electric network model according to claim 1 and tracing management method, it is characterized in that: in the described step 3, utilize the row TimeStamp of Hbase to realize the management of time dimension model version based on the distributed data base that Hbase realizes; When carrying out redaction regional model and the whole network model storage operation, stamp unified TimeStamp according to the version submission time for the incremental data of redaction, and create in addition table in order to the mapping relations of maintenance release submission time and version number.
9. but the storage of many versions electric network model according to claim 1 and tracing management method, it is characterized in that: in the described step 4, but the tracing management of many versions electric network model comprises the management to time dimension, Spatial Dimension and application dimension.
10. but the storage of many versions electric network model according to claim 9 and tracing management method, it is characterized in that: but undertaken in the tracing management by time dimension, by time during the management multi-version electric network model, directly corresponding model bank table in the described distributed data base of access carries out data scanning according to timestamp; During by version number's management multi-version electric network model, access first the VersionInfo table, the submission time that version query this shop is corresponding visits again model bank table corresponding in the distributed data base and obtains model data.
11. but the storage of many versions electric network model according to claim 9 and tracing management method, it is characterized in that: but undertaken in the tracing management by Spatial Dimension, the name form of showing in the described distributed data base is＜homophony name+model bank table name 〉, distributed data base provides the interface by regional information access electric network model, supports lower dress, issue and calculation services to different regions model and the whole network model.
12. but the storage of many versions electric network model according to claim 9 and tracing management method, it is characterized in that: but undertaken in the tracing management by using dimension, distributed data base provides single table access interface and configurable access multilist interface, to different application by correlation table corresponding to the arbitrary old version different application of configuration access, but realize to use the tracing management of dimension.
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