阅读说明：本技术 一种基于多源配网网络的网架拓扑自动构建方法 (Automatic net rack topology construction method based on multi-source distribution network ) 是由 聂鼎 施冬明 宋忧乐 范黎涛 骆怡 林广宏 于 2020-06-09 设计创作，主要内容包括：本申请提供的基于多源配网网络的网架拓扑自动构建方法,先利用单个系统的元模型依据各系统的数据生成单系统网架,再将各系统中同一设备台账及关系融合,利用统一的元模型将融合后的配网设备台账及关系生成网架图,为大规模复杂配电网网架自动构建提供解决方案,解决了各系统间导入导出对拓扑模型、配电网线路设备难以达到较高的一致性问题,从而为为跨平台、跨业务的数据分析需求提供支持,同时对形成的配电网网架图进行可视化展示。本申请提供的基于多源配网网络的网架拓扑自动构建方法,解决了现有技术中采用人工核对的方式建立各系统间相同配电网设备的对应关系存在的人员成本投入大,准确性无法保证,台账变化后及时性无法满足要求的问题。(According to the automatic net rack topology construction method based on the multi-source distribution network, the meta-model of a single system is used for generating the single-system net rack according to the data of each system, then the same equipment account and the relation in each system are fused, the unified meta-model is used for generating the net rack graph through the fused distribution network equipment account and relation, a solution is provided for automatically constructing the large-scale complex net rack of the distribution network, the problem that the topology model and the distribution network line equipment cannot reach high consistency due to leading-in and leading-out among the systems is solved, support is provided for cross-platform and cross-service data analysis requirements, and meanwhile visual display is carried out on the formed net rack graph of the distribution network. The method for automatically constructing the network frame topology based on the multi-source distribution network solves the problems that in the prior art, personnel cost investment is large, accuracy cannot be guaranteed, and timeliness cannot meet requirements after account book changes due to the fact that a manual checking mode is adopted to establish corresponding relations of the same distribution network devices among systems.)

1. A method for automatically constructing a network frame topology based on a multi-source distribution network is characterized by comprising the following steps:

selecting distribution network account data of each distribution network system and relation data of the distribution network accounts to perform data access;

performing data relation analysis on data of different distribution network system systems, and analyzing data models and data relations of the systems;

configuring distribution network account data of each system and a relation data source model of the distribution network account according to the standard meta-model structure to obtain a configuration grid meta-model meeting data characteristics;

forming a single-system grid topology by utilizing a configuration grid meta-model analysis program and combining actual data of each system;

fusing the distribution network account data of each system and the relation data of the distribution network accounts according to a word similarity algorithm;

according to the fused distribution network account data and the relationship data of the distribution network account, a standard meta-model analysis program is utilized to form a uniform grid diagram of the distribution network;

and storing the formed grid map of the power distribution network into a map database, and performing visual display by using a map technology.

2. The method for automatically constructing the network frame topology based on the multi-source distribution network according to claim 1, wherein each distribution network system comprises: distribution automation systems, geographic information systems, production systems, energy management systems, and advanced application systems.

3. The method for automatically constructing the network frame topology based on the multi-source distribution network according to claim 1, wherein the step of fusing the distribution network account data of each system and the relation data of the distribution network account according to a word similarity algorithm comprises the following steps:

selecting data of each distribution network system for data access;

preprocessing missing data and repeated data parts in the data of each distribution network system;

splitting the names of different distribution network system devices according to a power grid device naming rule;

analyzing and matching the key words according to the naming rule of the power grid equipment, the equipment type and the power grid public model;

processing the distribution network account data of different distribution network systems, the relation data of the distribution network accounts and the regional characteristics;

searching a word with the highest similarity corresponding to the word2vec word similarity from the feature set by using the word2vec word similarity, and recording the similarity;

completing primary identification of the same equipment according to the key word analysis matching and the similarity;

extracting the same service attribute preliminarily identified as the same equipment in different distribution network systems, and constructing an attribute set;

calculating the similarity of the common attributes;

dividing the probability of the same equipment into three types of high, medium and low according to the combination of the preliminarily determined result and the equipment attribute similarity;

forming a matching list by different names of the same equipment entity in different distribution network systems, and completing the fusion of distribution network account data of each system and the relation data of the distribution network accounts;

accessing data obtained after the data of the distribution network accounts of the distribution network systems and the relation data of the distribution network accounts are fused;

fusing the relationship according to the superposed service data among different distribution network systems;

performing relation checking according to the regional characteristics, the power distribution range characteristics and the power failure metering characteristics;

and completing the relationship fusion.

4. The method for automatically constructing the network frame topology based on the multi-source distribution network according to claim 1, wherein the method further comprises:

analyzing the configured grid meta-model;

accessing data after the fusion of the distribution network account data of each distribution network system and the relationship data of the distribution network accounts;

the standard meta-model is used for completing the construction of the unified basic archive;

and combining the unified basic archives with the configuration grid meta-model to complete the construction of the unified relationship.

Technical Field

The application relates to the technical field of large-scale complex power distribution network frame construction, in particular to a network frame topology automatic construction method based on a multi-source distribution network.

Background

With the large-scale construction of distribution automation and smart power grids, complex networks with distribution network racks topologically distributed in a multi-source distribution network are formed, such as distribution automation systems and geographic information systems, various graph model information exchanges in production systems, energy management systems and advanced application systems are more frequent, different systems lack uniform exchange channels for distribution network line graphs, topology models and distribution network line equipment among the systems are difficult to achieve high consistency, and direct and immediate use cannot be achieved. Or when the device is directly introduced, the device and the topological relation are not matched, and the drawing standard of the topological requirement of the power distribution network frame cannot be met.

In order to meet the requirement of cross-system standing book analysis, currently, a corresponding relation of the same power distribution network equipment among systems is mostly established in a manual checking mode, and a corresponding relation is established between the code of one system and the code of the other system. However, the number of the power distribution network equipment is numerous and complicated, the network structure is complex, and the power distribution network equipment is under the condition of continuous change, so that the personnel cost investment is large by means of manual mode, the accuracy cannot be guaranteed, and the timeliness cannot meet the requirement after the change of the account.

Disclosure of Invention

The application provides a net rack topology automatic construction method based on a multi-source distribution network, and aims to solve the problems that in the prior art, personnel cost investment is large, accuracy cannot be guaranteed, and timeliness cannot meet requirements after account change due to the fact that corresponding relations of the same distribution network equipment among systems are established in a manual checking mode.

The technical scheme adopted by the application for solving the technical problems is as follows:

a method for automatically constructing a network frame topology based on a multi-source distribution network comprises the following steps:

selecting distribution network account data of each distribution network system and relation data of the distribution network accounts to perform data access;

performing data relation analysis on data of different distribution network system systems, and analyzing data models and data relations of the systems;

configuring distribution network account data of each system and a relation data source model of the distribution network account according to the standard meta-model structure to obtain a configuration grid meta-model meeting data characteristics;

forming a single-system grid topology by utilizing a configuration grid meta-model analysis program and combining actual data of each system;

fusing the distribution network account data of each system and the relation data of the distribution network accounts according to a word similarity algorithm;

according to the fused distribution network account data and the relationship data of the distribution network account, a standard meta-model analysis program is utilized to form a uniform grid diagram of the distribution network;

and storing the formed grid map of the power distribution network into a map database, and performing visual display by using a map technology.

Optionally, each distribution network system includes: distribution automation systems, geographic information systems, production systems, energy management systems, and advanced application systems.

Optionally, the merging, according to the word similarity algorithm, the distribution network ledger data of each system and the relationship data of the distribution network ledger includes:

selecting data of each distribution network system for data access;

preprocessing missing data and repeated data parts in the data of each distribution network system;

splitting the names of different distribution network system devices according to a power grid device naming rule;

analyzing and matching the key words according to the naming rule of the power grid equipment, the equipment type and the power grid public model;

processing the distribution network account data of different distribution network systems, the relation data of the distribution network accounts and the regional characteristics;

searching a word with the highest similarity corresponding to the word2vec word similarity from the feature set by using the word2vec word similarity, and recording the similarity;

completing primary identification of the same equipment according to the key word analysis matching and the similarity;

extracting the same service attribute preliminarily identified as the same equipment in different distribution network systems, and constructing an attribute set;

calculating the similarity of the common attributes;

dividing the probability of the same equipment into three types of high, medium and low according to the combination of the preliminarily determined result and the equipment attribute similarity;

forming a matching list by different names of the same equipment entity in different distribution network systems, and completing the fusion of distribution network account data of each system and the relation data of the distribution network accounts;

accessing data obtained after the data of the distribution network accounts of the distribution network systems and the relation data of the distribution network accounts are fused;

fusing the relationship according to the superposed service data among different distribution network systems;

performing relation checking according to the regional characteristics, the power distribution range characteristics and the power failure metering characteristics;

and completing the relationship fusion.

Optionally, the method further includes:

analyzing the configured grid meta-model;

accessing data after the fusion of the distribution network account data of each distribution network system and the relationship data of the distribution network accounts;

the standard meta-model is used for completing the construction of the unified basic archive;

and combining the unified basic archives with the configuration grid meta-model to complete the construction of the unified relationship.

The technical scheme provided by the application comprises the following beneficial technical effects:

the utility model provides a net rack topology automatic construction method based on multisource distribution network, the meta-model of utilizing single system earlier generates single system net rack according to the data of each system, same equipment account and relation are fused in each system again, the net rack picture is generated with distribution network equipment account and relation after fusing to utilize unified meta-model, for the automatic construction of extensive complicated distribution network rack provides the solution, the topology model between each system, distribution network line equipment are difficult to reach higher uniformity problem, thereby for cross platform, cross business data analysis demand provides support, carry out visual show to the distribution network net rack picture that forms simultaneously. The method for automatically constructing the network frame topology based on the multi-source distribution network solves the problems that in the prior art, personnel cost investment is large, accuracy cannot be guaranteed, and timeliness cannot meet requirements after account book changes due to the fact that a manual checking mode is adopted to establish corresponding relations of the same distribution network devices among systems.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.

Fig. 1 is a flowchart of an automatic network frame topology construction method based on a multi-source distribution network provided in an embodiment of the present application.

Detailed Description

In order to make the technical solutions in the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, fig. 1 is a flowchart of an automatic network frame topology construction method based on a multi-source distribution network according to an embodiment of the present application, and as shown in fig. 1, the method includes the following steps:

s1: selecting distribution network account data of each distribution network system and relation data of the distribution network accounts to perform data access;

s2: performing data relation analysis on data of different distribution network system systems, and analyzing data models and data relations of the systems;

s3: configuring distribution network account data of each system and a relation data source model of the distribution network account according to the standard meta-model structure to obtain a configuration grid meta-model meeting data characteristics;

s4: forming a single-system grid topology by utilizing a configuration grid meta-model analysis program and combining actual data of each system;

s5: fusing the distribution network account data of each system and the relation data of the distribution network accounts according to a word similarity algorithm;

s6: according to the fused distribution network account data and the relationship data of the distribution network account, a standard meta-model analysis program is utilized to form a uniform grid diagram of the distribution network;

s7: and storing the formed grid map of the power distribution network into a map database, and performing visual display by using a map technology.

According to the automatic grid structure topology construction method based on the multi-source distribution network, the meta-model of a single system is used for generating the single-system grid according to the data of each system, then the same equipment accounts and relations in each system are fused, and the fused distribution network equipment accounts and relations are generated into the grid structure diagram by using the unified meta-model, so that a solution is provided for automatically constructing the large-scale complex distribution network, the problem that the topology models and distribution network line equipment among the systems are difficult to achieve high consistency is solved, support is provided for cross-platform and cross-service data analysis requirements, and the formed distribution network structure diagram is visually displayed.

Further, each distribution network system includes: in practical application, other multi-source distribution network systems can be selected, and the method in the embodiment of the application is adopted to construct the network frame topology, and the embodiment of the application is not particularly limited.

Specifically, the method in the embodiment of the present application can be operated by using the following embodiment.