CN107016478B - Full-network model rapid generation and sharing method based on two-stage deployment - Google Patents
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Abstract
The invention relates to a method for quickly generating and sharing a whole network model based on two-stage deployment, which realizes local high-efficiency model maintenance of model data by establishing a provincial model center in provincial dispatching and establishing a centralized national model center in national dispatching and branch centers; the unified access to the model of 10kv and above in physical distribution of each region and the model information in the distributed memory base is realized by establishing a three-level model dictionary in the national model center; the model view of 10kv or more stored in the distributed memory base provides support for quickly and accurately generating the whole network model, and the transverse and longitudinal quick sharing of the model according to requirements is realized. The unified model service constructed on the basis of the model dictionary and the model view realizes the rapid generation and on-demand sharing of the whole network model in a physical distribution state.
Description
Technical Field
The invention relates to a method for quickly generating and sharing a full-network model of power system automation, in particular to a method for quickly generating and sharing a full-network model based on two-stage deployment.
Background
At present, the situations of non-uniform data sources and repeated input of each business model between each longitudinal regulation and control mechanism and between each horizontal specialty of the regulation and control mechanism exist, and further specification of the model data sources and the model horizontal and vertical sharing mechanism is needed. Meanwhile, as the scale of the scheduling systems is continuously enlarged, the amount of model interaction information among the scheduling systems is larger and larger, and the problems of high difficulty, long period, high possibility of making mistakes in the process and the like are gradually exposed in the traditional model splicing mode, so that the efficiency of generating the whole network model is lower, and the cost is higher.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a method for quickly generating and sharing a full-network model based on two-stage deployment, which meets the requirements of uniformly positioning the full-network model of a power system and quickly generating and sharing the full-network model as required under a two-stage deployment architecture in a model center.
The purpose of the invention is realized by adopting the following technical scheme:
the invention provides a method for quickly generating and sharing a full-network model based on two-stage deployment, which has the improvement that: the method comprises the following steps:
step 1: respectively establishing a national model center and a provincial model center at a national dispatching center and a provincial dispatching center;
step 2: the national model center positions the whole network model resources based on the whole network model dictionary of 10kv and above;
and step 3: establishing a 10kv and above whole network model view in a national model center;
and 4, step 4: and issuing a unified model service in a national model center.
Further: in the step 1, the national model center stores 220kv or more model information by using a database, stores 10kv or more full-network model dictionaries by using a file form, and stores 10kv or more model views by using a distributed memory bank form;
the provincial model center stores models of 10kv and above in the province by adopting a database; and a provincial model center deploys a model agent, communication with a national model center is completed by calling a national model center unified model service, 10kv or more provincial models are updated to the national model center, and model information interaction of the two-level model center is realized.
Further: the maintenance responsibilities of the unified model service center are divided according to the major, the automation major is responsible for the public model of the power grid, other major is responsible for the relevant business model, and the maintenance of the longitudinal model between the centers of the two-stage models is carried out by taking a plant station as a unit.
Further: in the step 2, the model identifiers of the whole network are named uniformly and comprise area identifiers, table name identifiers and in-table record identifiers;
the whole network model dictionary is used as a basis for a whole network model view data updating access service to distribute data requests; the whole network model dictionary comprises a dictionary positioning area, and the dictionary positioning model table are recorded in three levels;
reading three-level model dictionary information when updating the model in the national model center memory model view, and completing memory model view under two-level deployment, model record of a certain area of the model center and uniform positioning of distributed model resources under two-level deployment; by deploying 10kv and above full-network model dictionaries in the national model center, the model unified service uses 10kv and above full-network model dictionary positioning model resources.
Further: in the step 3, a distributed memory database is used for realizing memory storage and reading of mass data of the model of 10kv and above in the whole network;
the whole network model view is used for storing model information of 10kv and above of the whole network in a distributed memory database mode, and provides performance support for the rapid generation of the whole network model;
the memory model view data is selected to be synchronously updated when the provincial model center and the national model center release model information, or the model view is regularly updated through unified model service; and generating a whole network model based on the whole network model view, and cutting by a user to generate an equivalent model.
Further: in the step 4, the national model center unified model service includes a national model center model maintenance service, a national model updating national model view service of the national model center at 220kv or above, a national model updating national model dictionary service of the national model center at 220kv or above, a model request subscription sharing service facing each application of national tone, branch center, province, a model updating national model view service of the province model center at 10kv or above, a model updating national model dictionary service of the province model center at 10kv or above, and a model updating persistent storage model updating service of the province model center at 220kv or above to the national model center;
the provincial model center unified model service comprises maintenance service facing the provincial model center and subscription sharing service facing each application in the province.
Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:
according to the method, a provincial model center is established in provincial dispatching and a centralized national model center is established in national dispatching and branch centers, so that local high-efficiency model maintenance of model data is realized; the unified access to the model of 10kv and above in physical distribution of each region and the model information in the distributed memory base is realized by establishing a three-level model dictionary in the national model center; the model view of 10kv or more stored in the distributed memory base provides support for quickly and accurately generating the whole network model, and the transverse and longitudinal quick sharing of the model according to requirements is realized. The unified model service constructed on the basis of the model dictionary and the model view realizes the rapid generation and on-demand sharing of the whole network model in a physical distribution state.
According to the method, a set of whole-network model unified access mechanism based on two-stage deployment is established, local high-efficiency management of provincial models and national models is realized on the basis of a two-stage deployment architecture, a unified model service is established in a national model center on the basis of 10kv or more model dictionaries and model views, the whole-network model data is quickly generated, and the method has important practical significance for solving the problems of high splicing maintenance difficulty, long splicing period, high possibility of errors in the splicing process and the like in the conventional splicing mode for generating the whole-network model.
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Fig. 1 is a schematic diagram of a full-network model rapid generation and sharing method based on two-level deployment provided by the invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments of the invention may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed.
The invention discloses a method for quickly generating and sharing a whole network model based on national and provincial two-stage deployment, which comprises the following steps:
step 1: respectively establishing model centers in the country and the province, wherein the country model center stores 220kv and above full models in a centralized manner, and the province model center stores 10kv and above full models in the province;
the national model center adopts a database to persistently store model information of 220kv and above, stores a model dictionary of 10kv and above in a file form, and stores a model view of 10kv and above in a distributed memory bank form; the provincial model center adopts a persistent database to store models of 10kv and above in the province. And a provincial model center deploys a model agent, and communication with a national model center is completed by calling a national model center unified model service, so that model information interaction of the two-level model center is realized.
Step 2: the national model center realizes the unified positioning of the whole network model resources based on the whole network model dictionary of 10kv and above; establishing a distributed memory database in a national model center to store a whole network model of 10kv or more, forming a whole network model view, and realizing data update of the model view through unified model service by two-stage model centers;
the model dictionary is used as a basis for the data distribution request of the model view data updating access service. The model dictionary is divided into three levels, wherein a first level dictionary positioning area, a second level dictionary positioning model table and a third level dictionary positioning model table are recorded. When the model in the memory model view of the national model center is updated, the dictionary information of the three-level model is required to be read, and the positioning of the memory model view, the model record of a certain area of the model center and the distributed memory base model record under two-level deployment is completed. By deploying 10kv and above full-network model dictionaries in the national model center, the model unified service uses 10kv and above full-network model dictionary positioning model resources.
And step 3: the unified model service provides model subscription and release service for provincial model centers and various national dispatches, provides updating service for national model center model dictionaries and model views, and provides model maintenance service for national model centers.
In order to realize the rapid reading of memory storage of mass data of 10kv and above models in the whole network, the method selects and uses a distributed memory database. The whole network model view is used for storing model information of 10kv or more in the whole network in a distributed memory database mode, and has the read-only characteristic. The memory model view data can be selected to be synchronously updated when the provincial model and the national model release model information, and the model view can also be regularly updated through unified model service. Based on the whole network model view, the whole network model can be generated quickly, and the equivalent model can also be generated by cutting by the user. Compared with the traditional splicing mode, the method for generating the whole network model based on the memory model view is greatly improved in the aspects of time cost, stability and the like, and the whole network model is rapidly generated and shared according to requirements.
And 4, step 4: and issuing a unified model service in a national model center, and providing a rapid generation and on-demand sharing service of the whole network model for various applications of various levels of regulation and control mechanisms based on the model view and the unified model service.
The national model center unified model service mainly comprises a national model center model maintenance service, a national model updating national model view service of the national model center at 220kv and above, a model updating national model dictionary service of the national model center at 220kv and above, a model request subscription sharing service facing each application of country, division and province, a model updating national model view service of the provincial model center at 10kv and above, a model updating national model dictionary service of the provincial model center at 10kv and above, and a model updating service of the provincial model center at 220kv and above persistently storing models from the national model center. The provincial model center unified model service mainly comprises maintenance service facing the provincial model center and subscription sharing service facing each application in the province.
According to the method, a set of method for rapidly generating and sharing the whole network model based on two-stage deployment is established, maintenance boundaries in the model center and between the two-stage model centers are specified, multi-source maintenance of the model is avoided, and consistency of model information maintenance is guaranteed. Through the data dictionary with the voltage of 10kv and above, unified positioning of the models with the voltage of 10kv and above in the whole network in the national model center is realized, model information with the voltage of 10kv and above is stored based on a model view, and by combining with unified model service, the provincial model center and each application of the national model center realize rapid generation and on-demand sharing of the models with the voltage of 10kv and above in the whole network.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can make modifications and equivalents to the embodiments of the present invention without departing from the spirit and scope of the present invention, which is set forth in the claims of the present application.
Claims (4)
1. A full-network model rapid generation and sharing method based on two-stage deployment is characterized in that: the method comprises the following steps:
step 1: respectively establishing a national model center and a provincial model center at a national dispatching center and a provincial dispatching center;
step 2: the national model center positions the whole network model resources based on the whole network model dictionary of 10kv and above;
and step 3: establishing a 10kv and above whole network model view in a national model center;
and 4, step 4: issuing a unified model service in a national model center;
in the step 2, the model identifiers of the whole network are named uniformly and comprise area identifiers, table name identifiers and in-table record identifiers;
the whole network model dictionary is used as a basis for a whole network model view data updating access service to distribute data requests; the whole network model dictionary comprises a dictionary positioning area, and the dictionary positioning model table are recorded in three levels;
reading three-level model dictionary information when updating the model in the national model center memory model view, and completing memory model view under two-level deployment, model record of a certain area of the model center and uniform positioning of distributed model resources under two-level deployment; by deploying 10kv and above full-network model dictionaries in the national model center, the model unified service uses 10kv and above full-network model dictionary positioning model resources;
in the step 1, the national model center stores the national model information of 220kv and above by adopting a database, stores the whole network model dictionary of 10kv and above by adopting a file form, and stores the model view of 10kv and above by adopting a distributed memory bank form;
the provincial model center stores provincial models of 10kv and above in the province by adopting a database; and a provincial model center deploys a model agent, communication with a national model center is completed by calling a national model center unified model service, 10kv or more provincial models are updated to the national model center, and model information interaction of the two-level model center is realized.
2. The method for rapid generation and sharing of a full-network model according to claim 1, wherein: the service maintenance responsibility of the unified model is divided according to the major, the automation major is responsible for the public model of the power grid, other major is responsible for the relevant business model, and the model maintenance between the two-stage model centers is carried out by taking a plant station as a unit.
3. The method for rapid generation and sharing of a full-network model according to claim 1, wherein: in the step 3, a distributed memory database is used for realizing memory storage and reading of mass data of the model of 10kv and above in the whole network;
the whole network model view is used for storing model information of 10kv and above of the whole network in a distributed memory database mode, and provides performance support for the rapid generation of the whole network model;
the memory model view data is selected to be synchronously updated when the provincial model center and the national model center release model information, or the model view is regularly updated through unified model service; and generating a whole network model based on the whole network model view, and cutting by a user to generate an equivalent model.
4. The method for rapid generation and sharing of a full-network model according to claim 1, wherein: in the step 4, the national model center unified model service includes a national model center model maintenance service, a national model updating national model view service of the national model center at 220kv or above, a national model updating national model dictionary service of the national model center at 220kv or above, a model request subscription sharing service facing each application of national tone, branch center, province, a model updating national model view service of the province model center at 10kv or above, a model updating national model dictionary service of the province model center at 10kv or above, and a model updating persistent storage model updating service of the province model center at 220kv or above to the national model center;
the provincial model center unified model service comprises maintenance service facing the provincial model center and subscription sharing service facing each application in the province.
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| CN104599192A (en) * | 2015-01-16 | 2015-05-06 | 国家电网公司 | Logic centralization based global distributed global full-network model maintenance method |
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